./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe019_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 20174008 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe019_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 57c8b47d74ada5c94291d16aafebbb644062493fff61510a323122bcd88ba5b1 --- Real Ultimate output --- This is Ultimate 0.2.3-?-2017400-m [2023-11-24 11:18:01,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 11:18:01,333 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-24 11:18:01,343 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 11:18:01,344 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 11:18:01,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 11:18:01,375 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 11:18:01,375 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 11:18:01,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 11:18:01,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 11:18:01,381 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 11:18:01,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 11:18:01,382 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 11:18:01,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 11:18:01,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 11:18:01,384 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 11:18:01,384 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 11:18:01,384 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 11:18:01,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 11:18:01,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 11:18:01,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 11:18:01,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 11:18:01,386 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-24 11:18:01,386 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 11:18:01,387 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 11:18:01,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 11:18:01,387 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 11:18:01,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 11:18:01,388 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 11:18:01,388 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-24 11:18:01,389 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 11:18:01,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 11:18:01,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 11:18:01,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 11:18:01,390 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 11:18:01,390 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 11:18:01,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 11:18:01,391 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 11:18:01,391 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-24 11:18:01,391 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-24 11:18:01,392 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 11:18:01,392 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-24 11:18:01,392 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-24 11:18:01,392 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57c8b47d74ada5c94291d16aafebbb644062493fff61510a323122bcd88ba5b1 [2023-11-24 11:18:01,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 11:18:01,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 11:18:01,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 11:18:01,679 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 11:18:01,679 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 11:18:01,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe019_power.opt.i [2023-11-24 11:18:02,905 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 11:18:03,183 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 11:18:03,191 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe019_power.opt.i [2023-11-24 11:18:03,225 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6068912a0/40607e6dd2574f1e824bfc17551e4bec/FLAG98148fbe8 [2023-11-24 11:18:03,239 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6068912a0/40607e6dd2574f1e824bfc17551e4bec [2023-11-24 11:18:03,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 11:18:03,243 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 11:18:03,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 11:18:03,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 11:18:03,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 11:18:03,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:18:03" (1/1) ... [2023-11-24 11:18:03,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b92e371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:03, skipping insertion in model container [2023-11-24 11:18:03,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:18:03" (1/1) ... [2023-11-24 11:18:03,306 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 11:18:03,812 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 11:18:03,830 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 11:18:03,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 11:18:03,957 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 11:18:03,958 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 11:18:03,966 INFO L206 MainTranslator]: Completed translation [2023-11-24 11:18:03,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:03 WrapperNode [2023-11-24 11:18:03,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 11:18:03,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 11:18:03,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 11:18:03,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 11:18:03,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:03" (1/1) ... [2023-11-24 11:18:04,035 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:03" (1/1) ... [2023-11-24 11:18:04,091 INFO L138 Inliner]: procedures = 177, calls = 89, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 580 [2023-11-24 11:18:04,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 11:18:04,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 11:18:04,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 11:18:04,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 11:18:04,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:03" (1/1) ... [2023-11-24 11:18:04,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:03" (1/1) ... [2023-11-24 11:18:04,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:03" (1/1) ... [2023-11-24 11:18:04,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:03" (1/1) ... [2023-11-24 11:18:04,183 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:03" (1/1) ... [2023-11-24 11:18:04,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:03" (1/1) ... [2023-11-24 11:18:04,206 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:03" (1/1) ... [2023-11-24 11:18:04,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:03" (1/1) ... [2023-11-24 11:18:04,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 11:18:04,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 11:18:04,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 11:18:04,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 11:18:04,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:03" (1/1) ... [2023-11-24 11:18:04,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 11:18:04,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 11:18:04,267 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 11:18:04,272 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 11:18:04,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 11:18:04,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 11:18:04,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 11:18:04,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 11:18:04,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 11:18:04,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 11:18:04,311 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-24 11:18:04,311 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-24 11:18:04,311 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-24 11:18:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-24 11:18:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-24 11:18:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-24 11:18:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-24 11:18:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-24 11:18:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 11:18:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 11:18:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 11:18:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 11:18:04,317 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 11:18:04,542 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 11:18:04,545 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 11:18:06,338 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 11:18:15,845 WARN L1821 r$LargeBlockEncoding]: Complex 5:117 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-24 11:18:17,307 WARN L1821 r$LargeBlockEncoding]: Complex 3:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-24 11:18:17,372 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 11:18:17,372 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 11:18:17,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:18:17 BoogieIcfgContainer [2023-11-24 11:18:17,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 11:18:17,377 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 11:18:17,377 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 11:18:17,380 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 11:18:17,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:18:03" (1/3) ... [2023-11-24 11:18:17,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59718927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:18:17, skipping insertion in model container [2023-11-24 11:18:17,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:18:03" (2/3) ... [2023-11-24 11:18:17,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59718927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:18:17, skipping insertion in model container [2023-11-24 11:18:17,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:18:17" (3/3) ... [2023-11-24 11:18:17,383 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_power.opt.i [2023-11-24 11:18:17,392 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-24 11:18:17,401 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 11:18:17,402 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 403 error locations. [2023-11-24 11:18:17,402 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-24 11:18:19,519 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-24 11:18:19,583 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 11:18:19,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 11:18:19,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2023-11-24 11:18:19,589 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 11:18:19,596 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 11:18:19,658 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 11:18:19,670 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork3 ======== [2023-11-24 11:18:19,677 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;@508349e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 11:18:19,677 INFO L358 AbstractCegarLoop]: Starting to check reachability of 178 error locations. [2023-11-24 11:18:49,901 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONDATA_RACE === [P2Err0ASSERT_VIOLATIONDATA_RACE, P2Err1ASSERT_VIOLATIONDATA_RACE, P2Err2ASSERT_VIOLATIONDATA_RACE, P2Err3ASSERT_VIOLATIONDATA_RACE (and 174 more)] === [2023-11-24 11:18:49,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 11:18:49,906 INFO L85 PathProgramCache]: Analyzing trace with hash -276856045, now seen corresponding path program 1 times [2023-11-24 11:18:49,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 11:18:49,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660209011] [2023-11-24 11:18:49,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 11:18:49,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 11:18:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 11:18:50,311 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 11:18:50,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 11:18:50,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660209011] [2023-11-24 11:18:50,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660209011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 11:18:50,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 11:18:50,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 11:18:50,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337091998] [2023-11-24 11:18:50,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 11:18:50,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 11:18:50,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 11:18:50,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 11:18:50,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 11:18:50,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 11:18:50,360 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 11:18:50,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 41.0) internal successors, (82), 2 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 11:18:50,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.