./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_04-funloop_hard1.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_04-funloop_hard1.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 4d853145e48ada6aa212af657ef21b1dd6bc82cb156511f71c23f87b45f2510e --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e93f2d6-m [2023-11-21 16:43:38,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 16:43:38,374 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-21 16:43:38,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 16:43:38,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 16:43:38,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 16:43:38,414 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 16:43:38,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 16:43:38,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 16:43:38,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 16:43:38,420 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 16:43:38,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 16:43:38,421 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 16:43:38,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 16:43:38,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 16:43:38,423 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 16:43:38,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 16:43:38,423 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 16:43:38,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 16:43:38,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 16:43:38,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 16:43:38,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 16:43:38,425 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 16:43:38,426 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 16:43:38,426 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 16:43:38,426 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 16:43:38,426 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 16:43:38,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 16:43:38,427 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 16:43:38,427 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-21 16:43:38,428 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 16:43:38,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 16:43:38,429 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 16:43:38,429 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 16:43:38,429 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 16:43:38,430 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 16:43:38,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 16:43:38,430 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 16:43:38,430 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-21 16:43:38,431 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-21 16:43:38,431 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 16:43:38,432 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-21 16:43:38,432 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-21 16:43:38,432 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d853145e48ada6aa212af657ef21b1dd6bc82cb156511f71c23f87b45f2510e Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-21 16:43:38,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 16:43:38,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 16:43:38,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 16:43:38,784 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 16:43:38,784 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 16:43:38,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_04-funloop_hard1.i [2023-11-21 16:43:39,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 16:43:40,172 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 16:43:40,175 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_04-funloop_hard1.i [2023-11-21 16:43:40,197 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a58fdd5d5/7ba9df98f16443569d52481ea0c26f69/FLAG4531fde52 [2023-11-21 16:43:40,214 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a58fdd5d5/7ba9df98f16443569d52481ea0c26f69 [2023-11-21 16:43:40,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 16:43:40,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 16:43:40,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 16:43:40,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 16:43:40,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 16:43:40,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:43:40" (1/1) ... [2023-11-21 16:43:40,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c839f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:40, skipping insertion in model container [2023-11-21 16:43:40,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:43:40" (1/1) ... [2023-11-21 16:43:40,299 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 16:43:40,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 16:43:40,772 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 16:43:40,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 16:43:40,887 INFO L206 MainTranslator]: Completed translation [2023-11-21 16:43:40,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:40 WrapperNode [2023-11-21 16:43:40,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 16:43:40,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 16:43:40,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 16:43:40,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 16:43:40,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:40" (1/1) ... [2023-11-21 16:43:40,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:40" (1/1) ... [2023-11-21 16:43:40,934 INFO L138 Inliner]: procedures = 263, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 124 [2023-11-21 16:43:40,934 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 16:43:40,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 16:43:40,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 16:43:40,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 16:43:40,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:40" (1/1) ... [2023-11-21 16:43:40,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:40" (1/1) ... [2023-11-21 16:43:40,951 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:40" (1/1) ... [2023-11-21 16:43:40,961 INFO L193 HeapSplitter]: Split 7 memory accesses to 2 slices as follows [6, 1] [2023-11-21 16:43:40,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:40" (1/1) ... [2023-11-21 16:43:40,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:40" (1/1) ... [2023-11-21 16:43:40,984 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:40" (1/1) ... [2023-11-21 16:43:40,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:40" (1/1) ... [2023-11-21 16:43:40,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:40" (1/1) ... [2023-11-21 16:43:40,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:40" (1/1) ... [2023-11-21 16:43:40,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 16:43:40,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 16:43:40,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 16:43:40,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 16:43:40,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:40" (1/1) ... [2023-11-21 16:43:41,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 16:43:41,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:41,049 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 16:43:41,070 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 16:43:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 16:43:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 16:43:41,102 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 16:43:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 16:43:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 16:43:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 16:43:41,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 16:43:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 16:43:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 16:43:41,104 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-21 16:43:41,105 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-21 16:43:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 16:43:41,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 16:43:41,107 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 16:43:41,239 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 16:43:41,254 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 16:43:41,520 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 16:43:41,556 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 16:43:41,557 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 16:43:41,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:43:41 BoogieIcfgContainer [2023-11-21 16:43:41,559 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 16:43:41,561 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 16:43:41,561 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 16:43:41,565 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 16:43:41,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:43:40" (1/3) ... [2023-11-21 16:43:41,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@729b0f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:43:41, skipping insertion in model container [2023-11-21 16:43:41,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:43:40" (2/3) ... [2023-11-21 16:43:41,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@729b0f6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:43:41, skipping insertion in model container [2023-11-21 16:43:41,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:43:41" (3/3) ... [2023-11-21 16:43:41,569 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_04-funloop_hard1.i [2023-11-21 16:43:41,578 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 16:43:41,587 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 16:43:41,587 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-21 16:43:41,587 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 16:43:41,665 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-21 16:43:41,728 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 16:43:41,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-21 16:43:41,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:41,732 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 16:43:41,758 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 16:43:41,784 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-21 16:43:41,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2023-11-21 16:43:41,801 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;@3dc5a756, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 16:43:41,802 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-21 16:43:42,037 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:43:42,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:43:42,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1223993046, now seen corresponding path program 1 times [2023-11-21 16:43:42,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:43:42,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177430794] [2023-11-21 16:43:42,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:42,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:43:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:42,346 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 16:43:42,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:43:42,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177430794] [2023-11-21 16:43:42,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177430794] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 16:43:42,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 16:43:42,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 16:43:42,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552297146] [2023-11-21 16:43:42,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 16:43:42,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 16:43:42,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 16:43:42,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 16:43:42,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 16:43:42,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:42,383 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 16:43:42,383 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 16:43:42,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:42,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:42,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 16:43:42,432 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:43:42,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:43:42,433 INFO L85 PathProgramCache]: Analyzing trace with hash -2050118445, now seen corresponding path program 1 times [2023-11-21 16:43:42,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:43:42,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956618206] [2023-11-21 16:43:42,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:42,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:43:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:42,630 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 16:43:42,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:43:42,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956618206] [2023-11-21 16:43:42,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956618206] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 16:43:42,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423293069] [2023-11-21 16:43:42,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:42,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:42,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:42,681 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 16:43:42,700 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 16:43:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:42,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 16:43:42,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 16:43:42,848 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 16:43:42,848 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 16:43:42,892 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 16:43:42,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423293069] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 16:43:42,893 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 16:43:42,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-11-21 16:43:42,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033543449] [2023-11-21 16:43:42,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 16:43:42,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-21 16:43:42,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 16:43:42,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-21 16:43:42,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-21 16:43:42,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:42,899 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 16:43:42,899 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 16:43:42,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:42,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:43,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:43,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:43,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-21 16:43:43,225 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 16:43:43,225 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:43:43,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:43:43,226 INFO L85 PathProgramCache]: Analyzing trace with hash -5944653, now seen corresponding path program 2 times [2023-11-21 16:43:43,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:43:43,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184843073] [2023-11-21 16:43:43,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:43,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:43:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:43,386 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 16:43:43,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:43:43,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184843073] [2023-11-21 16:43:43,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184843073] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 16:43:43,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236424286] [2023-11-21 16:43:43,387 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 16:43:43,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:43,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:43,389 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 16:43:43,404 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 16:43:43,482 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-21 16:43:43,482 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 16:43:43,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 16:43:43,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 16:43:43,516 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 16:43:43,536 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 16:43:43,566 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 16:43:43,567 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 16:43:43,604 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 16:43:43,605 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 16:43:43,634 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 16:43:43,635 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 16:43:43,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236424286] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 16:43:43,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 16:43:43,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2023-11-21 16:43:43,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124409984] [2023-11-21 16:43:43,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 16:43:43,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 16:43:43,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 16:43:43,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 16:43:43,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-11-21 16:43:43,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:43,644 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 16:43:43,644 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 16:43:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:43,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:43,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:43,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:43,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:43,808 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 16:43:44,006 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 16:43:44,006 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:43:44,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:43:44,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1950653640, now seen corresponding path program 1 times [2023-11-21 16:43:44,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:43:44,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931654283] [2023-11-21 16:43:44,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:44,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:43:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:44,175 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 16:43:44,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:43:44,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931654283] [2023-11-21 16:43:44,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931654283] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 16:43:44,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851919756] [2023-11-21 16:43:44,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:44,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:44,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:44,177 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 16:43:44,200 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 16:43:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:44,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 16:43:44,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 16:43:44,358 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 16:43:44,358 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 16:43:44,442 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 16:43:44,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851919756] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 16:43:44,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 16:43:44,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2023-11-21 16:43:44,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069290954] [2023-11-21 16:43:44,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 16:43:44,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-21 16:43:44,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 16:43:44,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-21 16:43:44,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2023-11-21 16:43:44,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:44,445 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 16:43:44,445 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 16:43:44,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:44,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:44,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:44,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:44,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:44,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:44,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:44,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:44,640 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 16:43:44,832 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 16:43:44,833 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:43:44,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:43:44,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1463637752, now seen corresponding path program 2 times [2023-11-21 16:43:44,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:43:44,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627943427] [2023-11-21 16:43:44,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:44,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:43:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:45,102 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 16:43:45,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:43:45,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627943427] [2023-11-21 16:43:45,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627943427] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 16:43:45,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706759499] [2023-11-21 16:43:45,103 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 16:43:45,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:45,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:45,104 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 16:43:45,132 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 16:43:45,201 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-21 16:43:45,201 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 16:43:45,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 16:43:45,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 16:43:45,217 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 16:43:45,235 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 16:43:45,260 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 16:43:45,261 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 16:43:45,305 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 16:43:45,305 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 16:43:45,337 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 16:43:45,337 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 16:43:45,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706759499] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 16:43:45,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 16:43:45,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2023-11-21 16:43:45,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961007895] [2023-11-21 16:43:45,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 16:43:45,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 16:43:45,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 16:43:45,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 16:43:45,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2023-11-21 16:43:45,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:45,341 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 16:43:45,342 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 16:43:45,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:45,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:45,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:45,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:45,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:45,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:45,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:45,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:45,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:45,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:45,511 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 16:43:45,700 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 16:43:45,700 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:43:45,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:43:45,701 INFO L85 PathProgramCache]: Analyzing trace with hash 198691474, now seen corresponding path program 1 times [2023-11-21 16:43:45,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:43:45,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493388391] [2023-11-21 16:43:45,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:45,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:43:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:46,022 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 16:43:46,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:43:46,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493388391] [2023-11-21 16:43:46,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493388391] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 16:43:46,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740429584] [2023-11-21 16:43:46,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:46,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:46,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:46,025 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 16:43:46,048 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 16:43:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:46,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 16:43:46,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 16:43:46,205 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 16:43:46,206 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 16:43:46,414 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 16:43:46,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740429584] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 16:43:46,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 16:43:46,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2023-11-21 16:43:46,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512317748] [2023-11-21 16:43:46,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 16:43:46,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-21 16:43:46,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 16:43:46,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-21 16:43:46,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2023-11-21 16:43:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:46,417 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 16:43:46,417 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 16:43:46,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:46,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:46,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:46,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:46,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:46,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:46,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:46,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:46,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:46,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:46,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-21 16:43:46,767 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 16:43:46,964 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 16:43:46,965 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:43:46,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:43:46,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1050527407, now seen corresponding path program 2 times [2023-11-21 16:43:46,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:43:46,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15566612] [2023-11-21 16:43:46,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:46,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:43:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:48,342 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 16:43:48,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:43:48,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15566612] [2023-11-21 16:43:48,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15566612] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 16:43:48,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79704196] [2023-11-21 16:43:48,343 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 16:43:48,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:48,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:48,344 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 16:43:48,370 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 16:43:48,457 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-21 16:43:48,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 16:43:48,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-21 16:43:48,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 16:43:48,609 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 16:43:48,749 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 16:43:48,749 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 16:43:48,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79704196] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 16:43:48,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 16:43:48,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2023-11-21 16:43:48,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926369521] [2023-11-21 16:43:48,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 16:43:48,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-21 16:43:48,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 16:43:48,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-21 16:43:48,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=408, Unknown=0, NotChecked=0, Total=462 [2023-11-21 16:43:48,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:48,752 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 16:43:48,753 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 16:43:48,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:48,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:48,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:48,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:48,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:48,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-21 16:43:48,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:49,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:49,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:49,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:49,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:49,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:49,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-21 16:43:49,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 16:43:49,096 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 16:43:49,293 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 16:43:49,293 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:43:49,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:43:49,294 INFO L85 PathProgramCache]: Analyzing trace with hash 800424135, now seen corresponding path program 1 times [2023-11-21 16:43:49,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:43:49,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447339587] [2023-11-21 16:43:49,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:49,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:43:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:50,644 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 16:43:50,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:43:50,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447339587] [2023-11-21 16:43:50,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447339587] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 16:43:50,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820664694] [2023-11-21 16:43:50,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:50,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:50,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:50,646 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 16:43:50,666 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 16:43:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:50,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-21 16:43:50,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 16:43:51,448 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 16:43:51,491 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 16:43:51,544 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 16:43:51,607 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 16:43:51,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:43:51,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:43:51,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:43:51,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:43:51,714 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 16:43:51,801 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 16:43:51,802 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 16:43:52,839 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 16:43:52,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820664694] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 16:43:52,840 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 16:43:52,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 16] total 46 [2023-11-21 16:43:52,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558317222] [2023-11-21 16:43:52,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 16:43:52,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-11-21 16:43:52,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 16:43:52,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-11-21 16:43:52,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=1926, Unknown=0, NotChecked=0, Total=2162 [2023-11-21 16:43:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:52,847 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 16:43:52,848 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 16:43:52,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:52,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:52,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:52,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:52,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:52,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-21 16:43:52,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-21 16:43:52,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:54,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:54,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:54,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:54,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:54,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:54,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-21 16:43:54,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 16:43:54,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-21 16:43:54,352 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 16:43:54,552 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 16:43:54,552 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:43:54,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:43:54,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1190796560, now seen corresponding path program 1 times [2023-11-21 16:43:54,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:43:54,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942703379] [2023-11-21 16:43:54,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:54,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:43:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:56,181 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 16:43:56,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:43:56,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942703379] [2023-11-21 16:43:56,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942703379] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 16:43:56,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762214975] [2023-11-21 16:43:56,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:43:56,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:43:56,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:43:56,184 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 16:43:56,208 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 16:43:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:43:56,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-21 16:43:56,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 16:43:57,361 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 16:43:57,411 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 16:43:57,472 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 16:43:57,565 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 16:43:57,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:43:57,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:43:57,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:43:57,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:43:57,667 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 16:43:57,744 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 16:43:57,744 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 16:43:58,899 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 16:43:58,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762214975] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 16:43:58,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 16:43:58,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 19] total 56 [2023-11-21 16:43:58,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613517909] [2023-11-21 16:43:58,901 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 16:43:58,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2023-11-21 16:43:58,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 16:43:58,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2023-11-21 16:43:58,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=2892, Unknown=0, NotChecked=0, Total=3192 [2023-11-21 16:43:58,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:43:58,905 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 16:43:58,906 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 16:43:58,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:43:58,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:43:58,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:58,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:43:58,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:43:58,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-21 16:43:58,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-21 16:43:58,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-11-21 16:43:58,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:44:02,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:44:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:44:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:44:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:44:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:44:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-21 16:44:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 16:44:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-21 16:44:02,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-11-21 16:44:02,369 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 16:44:02,559 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 16:44:02,560 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:44:02,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:44:02,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1884624513, now seen corresponding path program 2 times [2023-11-21 16:44:02,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:44:02,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518917191] [2023-11-21 16:44:02,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:44:02,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:44:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:44:04,805 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 16:44:04,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:44:04,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518917191] [2023-11-21 16:44:04,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518917191] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 16:44:04,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342203728] [2023-11-21 16:44:04,806 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 16:44:04,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:44:04,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:44:04,807 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 16:44:04,808 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 16:44:05,121 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-21 16:44:05,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 16:44:05,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-21 16:44:05,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 16:44:06,698 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 16:44:06,739 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 16:44:06,790 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 16:44:06,860 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 16:44:06,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:44:06,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:44:06,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:44:06,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 16:44:06,951 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 16:44:07,004 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 16:44:07,004 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 16:44:08,663 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 16:44:08,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342203728] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 16:44:08,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 16:44:08,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 27, 21] total 70 [2023-11-21 16:44:08,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834127807] [2023-11-21 16:44:08,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 16:44:08,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2023-11-21 16:44:08,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 16:44:08,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2023-11-21 16:44:08,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=425, Invalid=4545, Unknown=0, NotChecked=0, Total=4970 [2023-11-21 16:44:08,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:44:08,669 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-21 16:44:08,670 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 16:44:08,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:44:08,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:44:08,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:44:08,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:44:08,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:44:08,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2023-11-21 16:44:08,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-21 16:44:08,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-11-21 16:44:08,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-11-21 16:44:08,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-21 16:44:18,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 16:44:18,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 16:44:18,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:44:18,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-21 16:44:18,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 16:44:18,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-21 16:44:18,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 16:44:18,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-21 16:44:18,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-11-21 16:44:18,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2023-11-21 16:44:18,046 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 16:44:18,240 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 16:44:18,240 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2023-11-21 16:44:18,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 16:44:18,241 INFO L85 PathProgramCache]: Analyzing trace with hash 76150479, now seen corresponding path program 3 times [2023-11-21 16:44:18,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 16:44:18,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754280965] [2023-11-21 16:44:18,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 16:44:18,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 16:44:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 16:44:20,945 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 16:44:20,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 16:44:20,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754280965] [2023-11-21 16:44:20,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754280965] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 16:44:20,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018511722] [2023-11-21 16:44:20,946 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-21 16:44:20,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 16:44:20,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-21 16:44:20,947 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 16:44:20,948 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