./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-wmm/thin002_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6568ba33 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/pthread-wmm/thin002_power.opt.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 e1655ef15816414a510c3a8c6c5388872fb389e863c7015deef825935bc10ec6 --- Real Ultimate output --- This is Ultimate 0.2.3-?-6568ba3-m [2023-11-24 01:09:04,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 01:09:04,121 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-24 01:09:04,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 01:09:04,134 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 01:09:04,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 01:09:04,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 01:09:04,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 01:09:04,171 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 01:09:04,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 01:09:04,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 01:09:04,175 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 01:09:04,176 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 01:09:04,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 01:09:04,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 01:09:04,178 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 01:09:04,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 01:09:04,178 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 01:09:04,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 01:09:04,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 01:09:04,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 01:09:04,179 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 01:09:04,181 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-24 01:09:04,181 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 01:09:04,181 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 01:09:04,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 01:09:04,182 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 01:09:04,182 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 01:09:04,182 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 01:09:04,183 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-24 01:09:04,184 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 01:09:04,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 01:09:04,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 01:09:04,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 01:09:04,185 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 01:09:04,185 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 01:09:04,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 01:09:04,185 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 01:09:04,186 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-24 01:09:04,186 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-24 01:09:04,186 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 01:09:04,187 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-24 01:09:04,187 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-24 01:09:04,187 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1655ef15816414a510c3a8c6c5388872fb389e863c7015deef825935bc10ec6 [2023-11-24 01:09:04,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 01:09:04,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 01:09:04,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 01:09:04,485 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 01:09:04,485 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 01:09:04,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_power.opt.i [2023-11-24 01:09:05,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 01:09:06,099 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 01:09:06,100 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_power.opt.i [2023-11-24 01:09:06,121 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7727f44b4/75e806a24ac146ba9ea78be5b0a1a46b/FLAG0b55eca0e [2023-11-24 01:09:06,133 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7727f44b4/75e806a24ac146ba9ea78be5b0a1a46b [2023-11-24 01:09:06,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 01:09:06,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 01:09:06,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 01:09:06,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 01:09:06,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 01:09:06,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:09:06" (1/1) ... [2023-11-24 01:09:06,145 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2292fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:06, skipping insertion in model container [2023-11-24 01:09:06,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:09:06" (1/1) ... [2023-11-24 01:09:06,199 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 01:09:06,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 01:09:06,649 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 01:09:06,762 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 01:09:06,788 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 01:09:06,789 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 01:09:06,795 INFO L206 MainTranslator]: Completed translation [2023-11-24 01:09:06,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:06 WrapperNode [2023-11-24 01:09:06,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 01:09:06,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 01:09:06,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 01:09:06,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 01:09:06,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:06" (1/1) ... [2023-11-24 01:09:06,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:06" (1/1) ... [2023-11-24 01:09:06,876 INFO L138 Inliner]: procedures = 177, calls = 85, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 592 [2023-11-24 01:09:06,889 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 01:09:06,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 01:09:06,890 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 01:09:06,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 01:09:06,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:06" (1/1) ... [2023-11-24 01:09:06,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:06" (1/1) ... [2023-11-24 01:09:06,909 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:06" (1/1) ... [2023-11-24 01:09:06,910 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:06" (1/1) ... [2023-11-24 01:09:06,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:06" (1/1) ... [2023-11-24 01:09:06,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:06" (1/1) ... [2023-11-24 01:09:06,945 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:06" (1/1) ... [2023-11-24 01:09:06,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:06" (1/1) ... [2023-11-24 01:09:06,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 01:09:06,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 01:09:06,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 01:09:06,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 01:09:06,959 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:06" (1/1) ... [2023-11-24 01:09:06,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 01:09:06,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 01:09:07,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 01:09:07,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 01:09:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 01:09:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 01:09:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 01:09:07,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 01:09:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 01:09:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 01:09:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-24 01:09:07,047 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-24 01:09:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-24 01:09:07,047 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-24 01:09:07,047 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-24 01:09:07,048 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-24 01:09:07,048 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-24 01:09:07,048 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-24 01:09:07,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 01:09:07,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 01:09:07,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 01:09:07,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 01:09:07,051 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 01:09:07,250 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 01:09:07,253 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 01:09:08,871 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 01:09:18,053 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 01:09:18,053 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 01:09:18,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:09:18 BoogieIcfgContainer [2023-11-24 01:09:18,056 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 01:09:18,060 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 01:09:18,060 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 01:09:18,063 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 01:09:18,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:09:06" (1/3) ... [2023-11-24 01:09:18,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38dbedf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:09:18, skipping insertion in model container [2023-11-24 01:09:18,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:09:06" (2/3) ... [2023-11-24 01:09:18,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38dbedf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:09:18, skipping insertion in model container [2023-11-24 01:09:18,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:09:18" (3/3) ... [2023-11-24 01:09:18,068 INFO L112 eAbstractionObserver]: Analyzing ICFG thin002_power.opt.i [2023-11-24 01:09:18,077 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-24 01:09:18,088 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 01:09:18,089 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 284 error locations. [2023-11-24 01:09:18,089 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-24 01:09:18,671 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-24 01:09:18,717 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 01:09:18,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 01:09:18,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 01:09:18,721 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 01:09:18,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-24 01:09:18,932 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 01:09:18,951 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork0 ======== [2023-11-24 01:09:18,958 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;@55004da8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 01:09:18,958 INFO L358 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2023-11-24 01:09:28,827 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONDATA_RACE === [P2Err0ASSERT_VIOLATIONDATA_RACE, P2Err1ASSERT_VIOLATIONDATA_RACE, P2Err2ASSERT_VIOLATIONDATA_RACE, P2Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2023-11-24 01:09:28,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 01:09:28,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1913928030, now seen corresponding path program 1 times [2023-11-24 01:09:28,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 01:09:28,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120565993] [2023-11-24 01:09:28,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 01:09:28,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 01:09:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 01:09:29,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 01:09:29,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 01:09:29,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120565993] [2023-11-24 01:09:29,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120565993] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 01:09:29,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 01:09:29,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 01:09:29,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214537965] [2023-11-24 01:09:29,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 01:09:29,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 01:09:29,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 01:09:29,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 01:09:29,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 01:09:29,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 01:09:29,236 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 01:09:29,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 42.5) internal successors, (85), 2 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 01:09:29,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 01:09:51,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 01:09:51,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (50 of 51 remaining) [2023-11-24 01:09:51,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (49 of 51 remaining) [2023-11-24 01:09:51,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (48 of 51 remaining) [2023-11-24 01:09:51,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (47 of 51 remaining) [2023-11-24 01:09:51,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (46 of 51 remaining) [2023-11-24 01:09:51,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (45 of 51 remaining) [2023-11-24 01:09:51,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err6ASSERT_VIOLATIONDATA_RACE (44 of 51 remaining) [2023-11-24 01:09:51,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err7ASSERT_VIOLATIONDATA_RACE (43 of 51 remaining) [2023-11-24 01:09:51,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err8ASSERT_VIOLATIONDATA_RACE (42 of 51 remaining) [2023-11-24 01:09:51,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err9ASSERT_VIOLATIONDATA_RACE (41 of 51 remaining) [2023-11-24 01:09:51,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err10ASSERT_VIOLATIONDATA_RACE (40 of 51 remaining) [2023-11-24 01:09:51,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err11ASSERT_VIOLATIONDATA_RACE (39 of 51 remaining) [2023-11-24 01:09:51,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err12ASSERT_VIOLATIONDATA_RACE (38 of 51 remaining) [2023-11-24 01:09:51,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err13ASSERT_VIOLATIONDATA_RACE (37 of 51 remaining) [2023-11-24 01:09:51,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err14ASSERT_VIOLATIONDATA_RACE (36 of 51 remaining) [2023-11-24 01:09:51,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err15ASSERT_VIOLATIONDATA_RACE (35 of 51 remaining) [2023-11-24 01:09:51,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err16ASSERT_VIOLATIONDATA_RACE (34 of 51 remaining) [2023-11-24 01:09:51,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err17ASSERT_VIOLATIONDATA_RACE (33 of 51 remaining) [2023-11-24 01:09:51,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err18ASSERT_VIOLATIONDATA_RACE (32 of 51 remaining) [2023-11-24 01:09:51,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err19ASSERT_VIOLATIONDATA_RACE (31 of 51 remaining) [2023-11-24 01:09:51,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err20ASSERT_VIOLATIONDATA_RACE (30 of 51 remaining) [2023-11-24 01:09:51,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err21ASSERT_VIOLATIONDATA_RACE (29 of 51 remaining) [2023-11-24 01:09:51,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err22ASSERT_VIOLATIONDATA_RACE (28 of 51 remaining) [2023-11-24 01:09:51,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err24ASSERT_VIOLATIONDATA_RACE (27 of 51 remaining) [2023-11-24 01:09:51,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err25ASSERT_VIOLATIONDATA_RACE (26 of 51 remaining) [2023-11-24 01:09:51,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err27ASSERT_VIOLATIONDATA_RACE (25 of 51 remaining) [2023-11-24 01:09:51,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err26ASSERT_VIOLATIONDATA_RACE (24 of 51 remaining) [2023-11-24 01:09:51,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err23ASSERT_VIOLATIONDATA_RACE (23 of 51 remaining) [2023-11-24 01:09:51,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err28ASSERT_VIOLATIONDATA_RACE (22 of 51 remaining) [2023-11-24 01:09:51,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err29ASSERT_VIOLATIONDATA_RACE (21 of 51 remaining) [2023-11-24 01:09:51,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err30ASSERT_VIOLATIONDATA_RACE (20 of 51 remaining) [2023-11-24 01:09:51,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err31ASSERT_VIOLATIONDATA_RACE (19 of 51 remaining) [2023-11-24 01:09:51,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err32ASSERT_VIOLATIONDATA_RACE (18 of 51 remaining) [2023-11-24 01:09:51,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err33ASSERT_VIOLATIONDATA_RACE (17 of 51 remaining) [2023-11-24 01:09:51,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err34ASSERT_VIOLATIONDATA_RACE (16 of 51 remaining) [2023-11-24 01:09:51,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err35ASSERT_VIOLATIONDATA_RACE (15 of 51 remaining) [2023-11-24 01:09:51,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err36ASSERT_VIOLATIONDATA_RACE (14 of 51 remaining) [2023-11-24 01:09:51,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err37ASSERT_VIOLATIONDATA_RACE (13 of 51 remaining) [2023-11-24 01:09:51,151 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err38ASSERT_VIOLATIONDATA_RACE (12 of 51 remaining) [2023-11-24 01:09:51,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err39ASSERT_VIOLATIONDATA_RACE (11 of 51 remaining) [2023-11-24 01:09:51,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err40ASSERT_VIOLATIONDATA_RACE (10 of 51 remaining) [2023-11-24 01:09:51,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err41ASSERT_VIOLATIONDATA_RACE (9 of 51 remaining) [2023-11-24 01:09:51,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err42ASSERT_VIOLATIONDATA_RACE (8 of 51 remaining) [2023-11-24 01:09:51,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err43ASSERT_VIOLATIONDATA_RACE (7 of 51 remaining) [2023-11-24 01:09:51,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err44ASSERT_VIOLATIONDATA_RACE (6 of 51 remaining) [2023-11-24 01:09:51,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err45ASSERT_VIOLATIONDATA_RACE (5 of 51 remaining) [2023-11-24 01:09:51,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err46ASSERT_VIOLATIONDATA_RACE (4 of 51 remaining) [2023-11-24 01:09:51,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err47ASSERT_VIOLATIONDATA_RACE (3 of 51 remaining) [2023-11-24 01:09:51,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err48ASSERT_VIOLATIONDATA_RACE (2 of 51 remaining) [2023-11-24 01:09:51,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err49ASSERT_VIOLATIONDATA_RACE (1 of 51 remaining) [2023-11-24 01:09:51,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err50ASSERT_VIOLATIONDATA_RACE (0 of 51 remaining) [2023-11-24 01:09:51,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 01:09:51,162 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 01:09:51,164 INFO L307 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/5) [2023-11-24 01:09:51,171 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 01:09:51,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 01:09:51,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 01:09:51,223 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 01:09:51,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-11-24 01:09:51,241 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 01:09:51,242 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-24 01:09:51,242 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;@55004da8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 01:09:51,242 INFO L358 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2023-11-24 01:10:01,224 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-24 01:10:01,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 01:10:01,226 INFO L85 PathProgramCache]: Analyzing trace with hash 805336196, now seen corresponding path program 1 times [2023-11-24 01:10:01,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 01:10:01,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577868284] [2023-11-24 01:10:01,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 01:10:01,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 01:10:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 01:10:01,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 01:10:01,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 01:10:01,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577868284] [2023-11-24 01:10:01,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577868284] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 01:10:01,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 01:10:01,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-24 01:10:01,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682099919] [2023-11-24 01:10:01,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 01:10:01,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 01:10:01,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 01:10:01,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 01:10:01,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 01:10:01,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 01:10:01,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 01:10:01,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 89.0) internal successors, (89), 2 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 01:10:01,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 01:10:01,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 01:10:01,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 01:10:01,385 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-24 01:10:01,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 01:10:01,385 INFO L85 PathProgramCache]: Analyzing trace with hash 834273428, now seen corresponding path program 1 times [2023-11-24 01:10:01,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 01:10:01,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284480465] [2023-11-24 01:10:01,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 01:10:01,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 01:10:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 01:10:01,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 01:10:01,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 01:10:01,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284480465] [2023-11-24 01:10:01,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284480465] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 01:10:01,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 01:10:01,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 01:10:01,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517523697] [2023-11-24 01:10:01,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 01:10:01,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 01:10:01,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 01:10:01,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 01:10:01,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 01:10:01,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 01:10:01,522 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 01:10:01,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 01:10:01,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 01:10:01,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 01:10:02,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 01:10:02,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 01:10:02,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-24 01:10:02,732 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 46 more)] === [2023-11-24 01:10:02,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 01:10:02,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1638050860, now seen corresponding path program 1 times [2023-11-24 01:10:02,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 01:10:02,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88499704] [2023-11-24 01:10:02,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 01:10:02,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 01:10:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 01:10:02,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 01:10:02,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 01:10:02,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88499704] [2023-11-24 01:10:02,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88499704] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 01:10:02,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 01:10:02,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 01:10:02,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960477003] [2023-11-24 01:10:02,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 01:10:02,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 01:10:02,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 01:10:02,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 01:10:02,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 01:10:02,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 01:10:02,936 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 01:10:02,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 50.5) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 01:10:02,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 01:10:02,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 01:10:02,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.