./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_03-funloop_simple.i --full-output --preprocessor.use.memory.slicer true --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e93f2d6f 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/06-symbeq_03-funloop_simple.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 8259c4061eb15e4ed63bc06f98acbb6dc3f9862bbe262b5cabdd3ad4658d3239 --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e93f2d6-m [2023-11-21 16:43:35,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 16:43:36,024 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-21 16:43:36,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 16:43:36,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 16:43:36,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 16:43:36,057 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 16:43:36,057 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 16:43:36,058 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 16:43:36,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 16:43:36,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 16:43:36,062 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 16:43:36,062 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 16:43:36,063 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 16:43:36,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 16:43:36,063 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 16:43:36,064 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 16:43:36,064 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 16:43:36,064 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 16:43:36,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 16:43:36,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 16:43:36,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 16:43:36,065 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 16:43:36,066 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 16:43:36,066 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 16:43:36,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 16:43:36,066 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 16:43:36,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 16:43:36,067 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 16:43:36,067 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-21 16:43:36,068 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 16:43:36,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 16:43:36,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 16:43:36,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 16:43:36,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 16:43:36,069 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 16:43:36,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 16:43:36,069 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 16:43:36,069 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-21 16:43:36,070 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-21 16:43:36,070 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 16:43:36,070 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-21 16:43:36,070 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-21 16:43:36,071 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8259c4061eb15e4ed63bc06f98acbb6dc3f9862bbe262b5cabdd3ad4658d3239 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-21 16:43:36,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 16:43:36,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 16:43:36,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 16:43:36,366 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 16:43:36,366 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 16:43:36,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_03-funloop_simple.i [2023-11-21 16:43:37,651 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 16:43:37,885 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 16:43:37,886 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_03-funloop_simple.i [2023-11-21 16:43:37,897 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/14d010ecc/6c2770008c3a4471a15d6e2bb582bb33/FLAG17a9e9fa2 [2023-11-21 16:43:37,906 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/14d010ecc/6c2770008c3a4471a15d6e2bb582bb33 [2023-11-21 16:43:37,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 16:43:37,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 16:43:37,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 16:43:37,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 16:43:37,916 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 16:43:37,916 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:43:37" (1/1) ... [2023-11-21 16:43:37,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2505a4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:37, skipping insertion in model container [2023-11-21 16:43:37,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:43:37" (1/1) ... [2023-11-21 16:43:37,989 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 16:43:38,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 16:43:38,364 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 16:43:38,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 16:43:38,453 INFO L206 MainTranslator]: Completed translation [2023-11-21 16:43:38,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:38 WrapperNode [2023-11-21 16:43:38,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 16:43:38,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 16:43:38,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 16:43:38,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 16:43:38,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:38" (1/1) ... [2023-11-21 16:43:38,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:38" (1/1) ... [2023-11-21 16:43:38,526 INFO L138 Inliner]: procedures = 263, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 118 [2023-11-21 16:43:38,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 16:43:38,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 16:43:38,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 16:43:38,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 16:43:38,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:38" (1/1) ... [2023-11-21 16:43:38,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:38" (1/1) ... [2023-11-21 16:43:38,549 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:38" (1/1) ... [2023-11-21 16:43:38,565 INFO L193 HeapSplitter]: Split 7 memory accesses to 2 slices as follows [6, 1] [2023-11-21 16:43:38,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:38" (1/1) ... [2023-11-21 16:43:38,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:38" (1/1) ... [2023-11-21 16:43:38,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:38" (1/1) ... [2023-11-21 16:43:38,581 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:38" (1/1) ... [2023-11-21 16:43:38,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:38" (1/1) ... [2023-11-21 16:43:38,586 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:38" (1/1) ... [2023-11-21 16:43:38,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 16:43:38,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 16:43:38,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 16:43:38,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 16:43:38,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:38" (1/1) ... [2023-11-21 16:43:38,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 16:43:38,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:38,630 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) [2023-11-21 16:43:38,656 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 [2023-11-21 16:43:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 16:43:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 16:43:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 16:43:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 16:43:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 16:43:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 16:43:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 16:43:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 16:43:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 16:43:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-21 16:43:38,672 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-21 16:43:38,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 16:43:38,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 16:43:38,673 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 16:43:38,814 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 16:43:38,816 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 16:43:39,082 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 16:43:39,126 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 16:43:39,126 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 16:43:39,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:43:39 BoogieIcfgContainer [2023-11-21 16:43:39,128 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 16:43:39,129 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 16:43:39,130 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 16:43:39,132 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 16:43:39,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:43:37" (1/3) ... [2023-11-21 16:43:39,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad39d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:43:39, skipping insertion in model container [2023-11-21 16:43:39,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:38" (2/3) ... [2023-11-21 16:43:39,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad39d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:43:39, skipping insertion in model container [2023-11-21 16:43:39,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:43:39" (3/3) ... [2023-11-21 16:43:39,134 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_03-funloop_simple.i [2023-11-21 16:43:39,140 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 16:43:39,147 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 16:43:39,160 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-21 16:43:39,160 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 16:43:39,238 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-21 16:43:39,280 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 16:43:39,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-21 16:43:39,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:39,309 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) [2023-11-21 16:43:39,378 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 [2023-11-21 16:43:39,396 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-21 16:43:39,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2023-11-21 16:43:39,410 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;@53575bad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 16:43:39,410 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-21 16:43:39,572 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:43:39,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:43:39,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1705024250, now seen corresponding path program 1 times [2023-11-21 16:43:39,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:43:39,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265351178] [2023-11-21 16:43:39,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:39,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:43:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:39,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 16:43:39,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:43:39,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265351178] [2023-11-21 16:43:39,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265351178] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 16:43:39,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 16:43:39,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 16:43:39,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885092469] [2023-11-21 16:43:39,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 16:43:39,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 16:43:39,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 16:43:39,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 16:43:39,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 16:43:39,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:39,842 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 16:43:39,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 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) [2023-11-21 16:43:39,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:39,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:39,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 16:43:39,877 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:43:39,878 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:43:39,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1976016632, now seen corresponding path program 1 times [2023-11-21 16:43:39,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:43:39,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255909708] [2023-11-21 16:43:39,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:39,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:43:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:40,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 16:43:40,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:43:40,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255909708] [2023-11-21 16:43:40,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255909708] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 16:43:40,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148937859] [2023-11-21 16:43:40,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:40,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:40,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:40,086 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) [2023-11-21 16:43:40,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-21 16:43:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:40,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 16:43:40,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 16:43:40,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 16:43:40,185 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 16:43:40,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 16:43:40,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148937859] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 16:43:40,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 16:43:40,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-21 16:43:40,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123795864] [2023-11-21 16:43:40,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 16:43:40,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-21 16:43:40,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 16:43:40,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-21 16:43:40,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-21 16:43:40,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:40,231 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 16:43:40,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 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) [2023-11-21 16:43:40,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:40,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:40,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:40,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:40,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-21 16:43:40,495 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,SelfDestructingSolverStorable1 [2023-11-21 16:43:40,495 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:43:40,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:43:40,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1040859208, now seen corresponding path program 2 times [2023-11-21 16:43:40,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:43:40,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364827272] [2023-11-21 16:43:40,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:40,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:43:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:40,687 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 16:43:40,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:43:40,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364827272] [2023-11-21 16:43:40,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364827272] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 16:43:40,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1311357454] [2023-11-21 16:43:40,692 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 16:43:40,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:40,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:40,694 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) [2023-11-21 16:43:40,714 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-21 16:43:40,776 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-21 16:43:40,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 16:43:40,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 16:43:40,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 16:43:40,800 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 11 treesize of output 7 [2023-11-21 16:43:40,811 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 21 treesize of output 20 [2023-11-21 16:43:40,830 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 16:43:40,830 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 30 treesize of output 32 [2023-11-21 16:43:40,853 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 16:43:40,853 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 39 treesize of output 44 [2023-11-21 16:43:40,873 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 16:43:40,873 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 16:43:40,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1311357454] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 16:43:40,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 16:43:40,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2023-11-21 16:43:40,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104966566] [2023-11-21 16:43:40,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 16:43:40,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 16:43:40,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 16:43:40,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 16:43:40,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-11-21 16:43:40,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:40,876 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 16:43:40,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 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) [2023-11-21 16:43:40,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:40,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:40,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:41,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:41,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:41,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:41,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-21 16:43:41,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:41,216 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:43:41,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:43:41,217 INFO L85 PathProgramCache]: Analyzing trace with hash 126020557, now seen corresponding path program 1 times [2023-11-21 16:43:41,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:43:41,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775569578] [2023-11-21 16:43:41,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:41,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:43:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:41,346 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 16:43:41,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:43:41,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775569578] [2023-11-21 16:43:41,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775569578] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 16:43:41,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740048550] [2023-11-21 16:43:41,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:41,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:41,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:41,361 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) [2023-11-21 16:43:41,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-21 16:43:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:41,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 16:43:41,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 16:43:41,502 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 16:43:41,502 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 16:43:41,583 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 16:43:41,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740048550] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 16:43:41,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 16:43:41,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-11-21 16:43:41,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979366527] [2023-11-21 16:43:41,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 16:43:41,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-21 16:43:41,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 16:43:41,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-21 16:43:41,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-11-21 16:43:41,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:41,597 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 16:43:41,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.222222222222222) internal successors, (76), 18 states have internal predecessors, (76), 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) [2023-11-21 16:43:41,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:41,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:41,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:41,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:41,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:41,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:41,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:41,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:41,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-21 16:43:41,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:41,967 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:43:41,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:43:41,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1261042253, now seen corresponding path program 2 times [2023-11-21 16:43:41,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:43:41,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584852188] [2023-11-21 16:43:41,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:41,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:43:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:42,254 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 16:43:42,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:43:42,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584852188] [2023-11-21 16:43:42,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584852188] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 16:43:42,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326826355] [2023-11-21 16:43:42,255 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 16:43:42,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:42,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:42,264 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) [2023-11-21 16:43:42,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-21 16:43:42,362 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-21 16:43:42,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 16:43:42,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 16:43:42,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 16:43:42,369 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 11 treesize of output 7 [2023-11-21 16:43:42,381 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 21 treesize of output 20 [2023-11-21 16:43:42,400 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 16:43:42,400 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 30 treesize of output 32 [2023-11-21 16:43:42,424 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 16:43:42,424 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 39 treesize of output 44 [2023-11-21 16:43:42,446 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-21 16:43:42,447 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 16:43:42,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326826355] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 16:43:42,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 16:43:42,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2023-11-21 16:43:42,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793848101] [2023-11-21 16:43:42,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 16:43:42,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 16:43:42,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 16:43:42,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 16:43:42,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2023-11-21 16:43:42,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:42,450 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 16:43:42,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 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) [2023-11-21 16:43:42,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:42,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:42,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:42,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:42,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:42,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:42,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:42,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:42,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:42,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:42,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-21 16:43:42,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:42,741 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:43:42,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:43:42,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1667969372, now seen corresponding path program 1 times [2023-11-21 16:43:42,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:43:42,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757243027] [2023-11-21 16:43:42,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:42,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:43:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:43,011 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 16:43:43,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:43:43,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757243027] [2023-11-21 16:43:43,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757243027] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 16:43:43,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1741610434] [2023-11-21 16:43:43,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:43,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:43,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:43,037 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) [2023-11-21 16:43:43,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-21 16:43:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:43,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 16:43:43,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 16:43:43,213 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 16:43:43,214 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 16:43:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 16:43:43,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1741610434] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 16:43:43,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 16:43:43,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2023-11-21 16:43:43,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947797148] [2023-11-21 16:43:43,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 16:43:43,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-21 16:43:43,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 16:43:43,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-21 16:43:43,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2023-11-21 16:43:43,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:43,365 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 16:43:43,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.434782608695652) internal successors, (102), 23 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 16:43:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:43,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:43,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:43,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:43,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:43,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-21 16:43:43,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-21 16:43:43,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:43,853 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:43:43,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:43:43,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1591913842, now seen corresponding path program 2 times [2023-11-21 16:43:43,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:43:43,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587860404] [2023-11-21 16:43:43,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:43,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:43:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:44,656 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2023-11-21 16:43:44,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:43:44,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587860404] [2023-11-21 16:43:44,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587860404] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 16:43:44,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973735788] [2023-11-21 16:43:44,657 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 16:43:44,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:44,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:44,658 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) [2023-11-21 16:43:44,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-21 16:43:44,755 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-21 16:43:44,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 16:43:44,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-21 16:43:44,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 16:43:44,864 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-21 16:43:44,979 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-21 16:43:44,979 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 16:43:44,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973735788] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 16:43:44,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 16:43:44,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2023-11-21 16:43:44,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620051537] [2023-11-21 16:43:44,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 16:43:44,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-21 16:43:44,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 16:43:44,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-21 16:43:44,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2023-11-21 16:43:44,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:44,984 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 16:43:44,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 10 states have internal predecessors, (55), 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) [2023-11-21 16:43:44,986 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:44,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:44,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:44,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:44,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:44,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-21 16:43:44,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:45,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:45,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:45,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:45,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:45,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:45,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-21 16:43:45,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 16:43:45,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-21 16:43:45,443 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,SelfDestructingSolverStorable6 [2023-11-21 16:43:45,444 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:43:45,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:43:45,444 INFO L85 PathProgramCache]: Analyzing trace with hash -316160758, now seen corresponding path program 1 times [2023-11-21 16:43:45,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:43:45,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140523572] [2023-11-21 16:43:45,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:45,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:43:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:46,541 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-21 16:43:46,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:43:46,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140523572] [2023-11-21 16:43:46,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140523572] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 16:43:46,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388633758] [2023-11-21 16:43:46,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:46,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:46,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:46,556 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 16:43:46,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-21 16:43:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:46,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-21 16:43:46,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 16:43:47,168 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 11 treesize of output 7 [2023-11-21 16:43:47,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-21 16:43:47,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2023-11-21 16:43:47,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2023-11-21 16:43:47,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:43:47,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:43:47,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:43:47,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:43:47,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2023-11-21 16:43:47,460 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 34 proven. 36 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-21 16:43:47,460 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 16:43:48,395 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 23 proven. 47 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-21 16:43:48,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388633758] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 16:43:48,396 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 16:43:48,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 16] total 46 [2023-11-21 16:43:48,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155335963] [2023-11-21 16:43:48,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 16:43:48,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-11-21 16:43:48,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 16:43:48,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-11-21 16:43:48,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=1926, Unknown=0, NotChecked=0, Total=2162 [2023-11-21 16:43:48,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:48,399 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 16:43:48,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 46 states have (on average 6.913043478260869) internal successors, (318), 47 states have internal predecessors, (318), 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) [2023-11-21 16:43:48,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:48,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:48,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:48,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:48,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:48,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-21 16:43:48,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-21 16:43:48,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:49,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:49,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:49,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:49,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:49,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:49,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-21 16:43:49,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 16:43:49,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-21 16:43:49,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-21 16:43:49,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:49,714 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:43:49,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:43:49,714 INFO L85 PathProgramCache]: Analyzing trace with hash 826502390, now seen corresponding path program 1 times [2023-11-21 16:43:49,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:43:49,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672937690] [2023-11-21 16:43:49,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:49,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:43:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:50,941 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 24 proven. 134 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-21 16:43:50,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:43:50,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672937690] [2023-11-21 16:43:50,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672937690] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 16:43:50,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532260119] [2023-11-21 16:43:50,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:50,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:50,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:50,943 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) [2023-11-21 16:43:50,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-21 16:43:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:51,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-21 16:43:51,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 16:43:51,943 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 11 treesize of output 7 [2023-11-21 16:43:51,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-21 16:43:52,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2023-11-21 16:43:52,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2023-11-21 16:43:52,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:43:52,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:43:52,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:43:52,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:43:52,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2023-11-21 16:43:52,217 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 87 proven. 71 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-21 16:43:52,218 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 16:43:53,194 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 23 proven. 133 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2023-11-21 16:43:53,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532260119] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 16:43:53,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 16:43:53,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 19] total 56 [2023-11-21 16:43:53,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427515153] [2023-11-21 16:43:53,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 16:43:53,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2023-11-21 16:43:53,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 16:43:53,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2023-11-21 16:43:53,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=2892, Unknown=0, NotChecked=0, Total=3192 [2023-11-21 16:43:53,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:53,199 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 16:43:53,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 56 states have (on average 8.875) internal successors, (497), 57 states have internal predecessors, (497), 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) [2023-11-21 16:43:53,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:53,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:53,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:53,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:53,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:53,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-21 16:43:53,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-21 16:43:53,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-11-21 16:43:53,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:56,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:56,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:56,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:56,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:56,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:56,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-21 16:43:56,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 16:43:56,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-21 16:43:56,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-21 16:43:56,111 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-21 16:43:56,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:56,311 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:43:56,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:43:56,311 INFO L85 PathProgramCache]: Analyzing trace with hash -768193243, now seen corresponding path program 2 times [2023-11-21 16:43:56,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:43:56,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869665798] [2023-11-21 16:43:56,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:56,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:43:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:57,981 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 33 proven. 412 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2023-11-21 16:43:57,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:43:57,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869665798] [2023-11-21 16:43:57,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869665798] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 16:43:57,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054546875] [2023-11-21 16:43:57,981 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 16:43:57,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:57,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:57,988 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) [2023-11-21 16:43:58,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-21 16:43:58,243 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-21 16:43:58,243 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 16:43:58,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-21 16:43:58,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 16:43:59,519 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 11 treesize of output 7 [2023-11-21 16:43:59,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2023-11-21 16:43:59,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2023-11-21 16:43:59,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2023-11-21 16:43:59,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:43:59,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:43:59,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:43:59,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:43:59,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2023-11-21 16:43:59,777 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 202 proven. 246 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-21 16:43:59,777 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 16:44:01,362 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 32 proven. 352 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2023-11-21 16:44:01,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054546875] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 16:44:01,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 16:44:01,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 27, 21] total 70 [2023-11-21 16:44:01,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744767292] [2023-11-21 16:44:01,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 16:44:01,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2023-11-21 16:44:01,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 16:44:01,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2023-11-21 16:44:01,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=425, Invalid=4545, Unknown=0, NotChecked=0, Total=4970 [2023-11-21 16:44:01,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:44:01,367 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 16:44:01,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 70 states have (on average 10.114285714285714) internal successors, (708), 71 states have internal predecessors, (708), 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) [2023-11-21 16:44:01,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:44:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:44:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:44:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:44:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:44:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-21 16:44:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-21 16:44:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-11-21 16:44:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-11-21 16:44:01,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:44:10,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:44:10,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:44:10,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:44:10,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:44:10,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:44:10,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-21 16:44:10,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 16:44:10,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-21 16:44:10,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-11-21 16:44:10,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2023-11-21 16:44:10,326 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-21 16:44:10,526 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,SelfDestructingSolverStorable9 [2023-11-21 16:44:10,527 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:44:10,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:44:10,527 INFO L85 PathProgramCache]: Analyzing trace with hash 654847646, now seen corresponding path program 3 times [2023-11-21 16:44:10,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:44:10,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118507913] [2023-11-21 16:44:10,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:44:10,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:44:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:44:12,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4867 backedges. 4167 proven. 465 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-11-21 16:44:12,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:44:12,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118507913] [2023-11-21 16:44:12,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118507913] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 16:44:12,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913727524] [2023-11-21 16:44:12,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-21 16:44:12,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:44:12,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:44:12,244 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) [2023-11-21 16:44:12,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process Killed by 15