./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe030_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b90606c-88bc-44a8-8e47-56f973fe110c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b90606c-88bc-44a8-8e47-56f973fe110c/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b90606c-88bc-44a8-8e47-56f973fe110c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b90606c-88bc-44a8-8e47-56f973fe110c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe030_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b90606c-88bc-44a8-8e47-56f973fe110c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b90606c-88bc-44a8-8e47-56f973fe110c/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1730fa7f98e17ee8b58920ef3daf63ee88225f1b42924032a532b5f5db33fba5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:49:52,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:49:52,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b90606c-88bc-44a8-8e47-56f973fe110c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:49:52,363 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:49:52,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:49:52,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:49:52,401 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:49:52,402 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:49:52,403 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:49:52,404 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:49:52,405 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:49:52,405 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:49:52,406 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:49:52,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:49:52,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:49:52,408 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:49:52,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:49:52,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:49:52,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:49:52,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:49:52,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:49:52,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:49:52,413 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:49:52,414 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:49:52,414 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:49:52,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:49:52,415 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:49:52,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:49:52,417 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:49:52,417 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:49:52,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:52,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:49:52,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:49:52,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:49:52,420 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:49:52,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:49:52,421 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:49:52,421 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:49:52,422 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:49:52,422 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:49:52,422 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:49:52,423 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b90606c-88bc-44a8-8e47-56f973fe110c/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b90606c-88bc-44a8-8e47-56f973fe110c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1730fa7f98e17ee8b58920ef3daf63ee88225f1b42924032a532b5f5db33fba5 [2023-11-26 11:49:52,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:49:52,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:49:52,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:49:52,818 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:49:52,818 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:49:52,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b90606c-88bc-44a8-8e47-56f973fe110c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread-wmm/safe030_tso.i [2023-11-26 11:49:56,055 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:49:56,385 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:49:56,385 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b90606c-88bc-44a8-8e47-56f973fe110c/sv-benchmarks/c/pthread-wmm/safe030_tso.i [2023-11-26 11:49:56,403 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b90606c-88bc-44a8-8e47-56f973fe110c/bin/uautomizer-verify-VRDe98Ueme/data/ead6f0012/56759f3c8dfa440b8c70d5cbf2a0b783/FLAG1e8610687 [2023-11-26 11:49:56,463 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b90606c-88bc-44a8-8e47-56f973fe110c/bin/uautomizer-verify-VRDe98Ueme/data/ead6f0012/56759f3c8dfa440b8c70d5cbf2a0b783 [2023-11-26 11:49:56,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:49:56,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:49:56,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:56,476 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:49:56,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:49:56,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:56" (1/1) ... [2023-11-26 11:49:56,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35c8bb6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:56, skipping insertion in model container [2023-11-26 11:49:56,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:56" (1/1) ... [2023-11-26 11:49:56,550 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:49:56,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:56,935 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:49:56,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:57,041 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:49:57,041 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:49:57,050 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:49:57,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:57 WrapperNode [2023-11-26 11:49:57,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:57,052 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:57,052 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:49:57,052 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:49:57,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:57" (1/1) ... [2023-11-26 11:49:57,114 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:57" (1/1) ... [2023-11-26 11:49:57,147 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 99 [2023-11-26 11:49:57,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:57,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:49:57,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:49:57,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:49:57,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:57" (1/1) ... [2023-11-26 11:49:57,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:57" (1/1) ... [2023-11-26 11:49:57,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:57" (1/1) ... [2023-11-26 11:49:57,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:57" (1/1) ... [2023-11-26 11:49:57,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:57" (1/1) ... [2023-11-26 11:49:57,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:57" (1/1) ... [2023-11-26 11:49:57,202 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:57" (1/1) ... [2023-11-26 11:49:57,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:57" (1/1) ... [2023-11-26 11:49:57,207 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:49:57,208 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:49:57,209 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:49:57,209 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:49:57,210 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:57" (1/1) ... [2023-11-26 11:49:57,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:57,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b90606c-88bc-44a8-8e47-56f973fe110c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:57,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b90606c-88bc-44a8-8e47-56f973fe110c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:57,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b90606c-88bc-44a8-8e47-56f973fe110c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:49:57,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:49:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 11:49:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:49:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:49:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:49:57,303 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-26 11:49:57,304 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-26 11:49:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-26 11:49:57,304 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-26 11:49:57,304 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-26 11:49:57,305 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-26 11:49:57,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:49:57,306 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 11:49:57,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:49:57,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:49:57,309 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 11:49:57,484 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:49:57,487 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:49:57,800 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:49:57,975 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:49:57,975 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:49:57,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:57 BoogieIcfgContainer [2023-11-26 11:49:57,977 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:49:57,980 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:49:57,981 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:49:57,984 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:49:57,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:49:56" (1/3) ... [2023-11-26 11:49:57,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abaa8fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:49:57, skipping insertion in model container [2023-11-26 11:49:57,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:57" (2/3) ... [2023-11-26 11:49:57,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5abaa8fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:49:57, skipping insertion in model container [2023-11-26 11:49:57,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:57" (3/3) ... [2023-11-26 11:49:57,988 INFO L112 eAbstractionObserver]: Analyzing ICFG safe030_tso.i [2023-11-26 11:49:57,998 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:49:58,020 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:49:58,020 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2023-11-26 11:49:58,020 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:49:58,153 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 11:49:58,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 125 places, 118 transitions, 248 flow [2023-11-26 11:49:58,259 INFO L124 PetriNetUnfolderBase]: 3/115 cut-off events. [2023-11-26 11:49:58,259 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:49:58,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 115 events. 3/115 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 128 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 100. Up to 2 conditions per place. [2023-11-26 11:49:58,265 INFO L82 GeneralOperation]: Start removeDead. Operand has 125 places, 118 transitions, 248 flow [2023-11-26 11:49:58,271 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 122 places, 115 transitions, 239 flow [2023-11-26 11:49:58,293 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:49:58,303 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=PETRI_NET, 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;@ff0cec5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:49:58,303 INFO L358 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2023-11-26 11:49:58,314 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:49:58,314 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2023-11-26 11:49:58,314 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:49:58,314 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:49:58,315 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:58,316 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2023-11-26 11:49:58,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:58,321 INFO L85 PathProgramCache]: Analyzing trace with hash -2103185853, now seen corresponding path program 1 times [2023-11-26 11:49:58,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:58,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113231541] [2023-11-26 11:49:58,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:58,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:58,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:49:58,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:58,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113231541] [2023-11-26 11:49:58,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113231541] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:58,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:58,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 11:49:58,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24586879] [2023-11-26 11:49:58,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:58,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:49:58,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:58,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:49:58,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:49:58,624 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 118 [2023-11-26 11:49:58,627 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 115 transitions, 239 flow. Second operand has 2 states, 2 states have (on average 83.0) internal successors, (166), 2 states have internal predecessors, (166), 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) [2023-11-26 11:49:58,628 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:49:58,628 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 118 [2023-11-26 11:49:58,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:49:58,969 INFO L124 PetriNetUnfolderBase]: 396/901 cut-off events. [2023-11-26 11:49:58,969 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2023-11-26 11:49:58,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1556 conditions, 901 events. 396/901 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 5579 event pairs, 396 based on Foata normal form. 99/936 useless extension candidates. Maximal degree in co-relation 1529. Up to 609 conditions per place. [2023-11-26 11:49:58,993 INFO L140 encePairwiseOnDemand]: 97/118 looper letters, 14 selfloop transitions, 0 changer transitions 0/91 dead transitions. [2023-11-26 11:49:58,993 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 91 transitions, 219 flow [2023-11-26 11:49:58,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:49:59,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-26 11:49:59,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 199 transitions. [2023-11-26 11:49:59,013 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8432203389830508 [2023-11-26 11:49:59,014 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 199 transitions. [2023-11-26 11:49:59,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 199 transitions. [2023-11-26 11:49:59,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:49:59,020 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 199 transitions. [2023-11-26 11:49:59,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 99.5) internal successors, (199), 2 states have internal predecessors, (199), 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) [2023-11-26 11:49:59,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 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) [2023-11-26 11:49:59,037 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 118.0) internal successors, (354), 3 states have internal predecessors, (354), 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) [2023-11-26 11:49:59,041 INFO L175 Difference]: Start difference. First operand has 122 places, 115 transitions, 239 flow. Second operand 2 states and 199 transitions. [2023-11-26 11:49:59,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 91 transitions, 219 flow [2023-11-26 11:49:59,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 91 transitions, 216 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-26 11:49:59,052 INFO L231 Difference]: Finished difference. Result has 99 places, 91 transitions, 188 flow [2023-11-26 11:49:59,055 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=188, PETRI_PLACES=99, PETRI_TRANSITIONS=91} [2023-11-26 11:49:59,061 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -23 predicate places. [2023-11-26 11:49:59,062 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 91 transitions, 188 flow [2023-11-26 11:49:59,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 83.0) internal successors, (166), 2 states have internal predecessors, (166), 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) [2023-11-26 11:49:59,062 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:49:59,063 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:59,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:49:59,063 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2023-11-26 11:49:59,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:59,065 INFO L85 PathProgramCache]: Analyzing trace with hash 2029011244, now seen corresponding path program 1 times [2023-11-26 11:49:59,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:59,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168409955] [2023-11-26 11:49:59,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:59,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:59,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:49:59,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:59,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168409955] [2023-11-26 11:49:59,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168409955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:59,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:59,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:49:59,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754802760] [2023-11-26 11:49:59,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:59,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:49:59,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:59,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:49:59,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:49:59,301 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 118 [2023-11-26 11:49:59,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 91 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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) [2023-11-26 11:49:59,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:49:59,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 118 [2023-11-26 11:49:59,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:49:59,851 INFO L124 PetriNetUnfolderBase]: 684/3141 cut-off events. [2023-11-26 11:49:59,851 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:49:59,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4210 conditions, 3141 events. 684/3141 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 29300 event pairs, 252 based on Foata normal form. 0/2933 useless extension candidates. Maximal degree in co-relation 4207. Up to 624 conditions per place. [2023-11-26 11:49:59,879 INFO L140 encePairwiseOnDemand]: 116/118 looper letters, 24 selfloop transitions, 1 changer transitions 0/99 dead transitions. [2023-11-26 11:49:59,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 99 transitions, 254 flow [2023-11-26 11:49:59,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:49:59,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:49:59,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 263 transitions. [2023-11-26 11:49:59,886 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7429378531073446 [2023-11-26 11:49:59,887 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 263 transitions. [2023-11-26 11:49:59,887 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 263 transitions. [2023-11-26 11:49:59,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:49:59,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 263 transitions. [2023-11-26 11:49:59,892 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 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) [2023-11-26 11:49:59,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 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) [2023-11-26 11:49:59,897 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 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) [2023-11-26 11:49:59,898 INFO L175 Difference]: Start difference. First operand has 99 places, 91 transitions, 188 flow. Second operand 3 states and 263 transitions. [2023-11-26 11:49:59,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 99 transitions, 254 flow [2023-11-26 11:49:59,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 99 transitions, 254 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:49:59,903 INFO L231 Difference]: Finished difference. Result has 100 places, 90 transitions, 188 flow [2023-11-26 11:49:59,903 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=188, PETRI_PLACES=100, PETRI_TRANSITIONS=90} [2023-11-26 11:49:59,905 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -22 predicate places. [2023-11-26 11:49:59,906 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 90 transitions, 188 flow [2023-11-26 11:49:59,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.0) internal successors, (243), 3 states have internal predecessors, (243), 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) [2023-11-26 11:49:59,910 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:49:59,910 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:59,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:49:59,910 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 31 more)] === [2023-11-26 11:49:59,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:59,912 INFO L85 PathProgramCache]: Analyzing trace with hash -191084120, now seen corresponding path program 1 times [2023-11-26 11:49:59,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:59,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466607334] [2023-11-26 11:49:59,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:59,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:00,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:50:00,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:50:00,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466607334] [2023-11-26 11:50:00,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466607334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:00,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:00,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:50:00,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086416101] [2023-11-26 11:50:00,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:00,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:50:00,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:50:00,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:50:00,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:50:00,051 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 118 [2023-11-26 11:50:00,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 90 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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) [2023-11-26 11:50:00,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:50:00,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 118 [2023-11-26 11:50:00,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:50:00,533 INFO L124 PetriNetUnfolderBase]: 684/2510 cut-off events. [2023-11-26 11:50:00,533 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:50:00,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3581 conditions, 2510 events. 684/2510 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 21737 event pairs, 396 based on Foata normal form. 0/2385 useless extension candidates. Maximal degree in co-relation 3577. Up to 609 conditions per place. [2023-11-26 11:50:00,544 INFO L140 encePairwiseOnDemand]: 116/118 looper letters, 0 selfloop transitions, 0 changer transitions 98/98 dead transitions. [2023-11-26 11:50:00,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 98 transitions, 254 flow [2023-11-26 11:50:00,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:50:00,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:50:00,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 263 transitions. [2023-11-26 11:50:00,546 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7429378531073446 [2023-11-26 11:50:00,546 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 263 transitions. [2023-11-26 11:50:00,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 263 transitions. [2023-11-26 11:50:00,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:50:00,547 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 263 transitions. [2023-11-26 11:50:00,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 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) [2023-11-26 11:50:00,549 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 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) [2023-11-26 11:50:00,550 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 118.0) internal successors, (472), 4 states have internal predecessors, (472), 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) [2023-11-26 11:50:00,550 INFO L175 Difference]: Start difference. First operand has 100 places, 90 transitions, 188 flow. Second operand 3 states and 263 transitions. [2023-11-26 11:50:00,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 98 transitions, 254 flow [2023-11-26 11:50:00,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 98 transitions, 253 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-26 11:50:00,553 INFO L231 Difference]: Finished difference. Result has 100 places, 0 transitions, 0 flow [2023-11-26 11:50:00,553 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=118, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=100, PETRI_TRANSITIONS=0} [2023-11-26 11:50:00,554 INFO L281 CegarLoopForPetriNet]: 122 programPoint places, -22 predicate places. [2023-11-26 11:50:00,554 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 0 transitions, 0 flow [2023-11-26 11:50:00,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.33333333333333) internal successors, (244), 3 states have internal predecessors, (244), 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) [2023-11-26 11:50:00,557 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (34 of 35 remaining) [2023-11-26 11:50:00,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (33 of 35 remaining) [2023-11-26 11:50:00,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (32 of 35 remaining) [2023-11-26 11:50:00,558 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (31 of 35 remaining) [2023-11-26 11:50:00,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (30 of 35 remaining) [2023-11-26 11:50:00,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (29 of 35 remaining) [2023-11-26 11:50:00,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (28 of 35 remaining) [2023-11-26 11:50:00,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (27 of 35 remaining) [2023-11-26 11:50:00,559 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (26 of 35 remaining) [2023-11-26 11:50:00,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (25 of 35 remaining) [2023-11-26 11:50:00,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (24 of 35 remaining) [2023-11-26 11:50:00,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (23 of 35 remaining) [2023-11-26 11:50:00,560 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (22 of 35 remaining) [2023-11-26 11:50:00,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 35 remaining) [2023-11-26 11:50:00,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 35 remaining) [2023-11-26 11:50:00,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (19 of 35 remaining) [2023-11-26 11:50:00,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (18 of 35 remaining) [2023-11-26 11:50:00,561 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (17 of 35 remaining) [2023-11-26 11:50:00,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (16 of 35 remaining) [2023-11-26 11:50:00,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (15 of 35 remaining) [2023-11-26 11:50:00,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 35 remaining) [2023-11-26 11:50:00,562 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 35 remaining) [2023-11-26 11:50:00,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 35 remaining) [2023-11-26 11:50:00,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONDATA_RACE (11 of 35 remaining) [2023-11-26 11:50:00,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONDATA_RACE (10 of 35 remaining) [2023-11-26 11:50:00,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err2ASSERT_VIOLATIONDATA_RACE (9 of 35 remaining) [2023-11-26 11:50:00,563 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err3ASSERT_VIOLATIONDATA_RACE (8 of 35 remaining) [2023-11-26 11:50:00,564 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (7 of 35 remaining) [2023-11-26 11:50:00,564 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (6 of 35 remaining) [2023-11-26 11:50:00,564 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (5 of 35 remaining) [2023-11-26 11:50:00,564 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (4 of 35 remaining) [2023-11-26 11:50:00,564 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (3 of 35 remaining) [2023-11-26 11:50:00,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (2 of 35 remaining) [2023-11-26 11:50:00,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (1 of 35 remaining) [2023-11-26 11:50:00,565 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (0 of 35 remaining) [2023-11-26 11:50:00,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:50:00,566 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-26 11:50:00,572 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-26 11:50:00,572 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:50:00,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:50:00 BasicIcfg [2023-11-26 11:50:00,579 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:50:00,579 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:50:00,579 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:50:00,580 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:50:00,580 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:57" (3/4) ... [2023-11-26 11:50:00,582 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:50:00,585 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-11-26 11:50:00,585 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-11-26 11:50:00,586 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-11-26 11:50:00,591 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-26 11:50:00,591 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-26 11:50:00,592 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-26 11:50:00,592 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:50:00,683 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b90606c-88bc-44a8-8e47-56f973fe110c/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:50:00,684 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b90606c-88bc-44a8-8e47-56f973fe110c/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:50:00,684 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:50:00,685 INFO L158 Benchmark]: Toolchain (without parser) took 4211.01ms. Allocated memory was 207.6MB in the beginning and 249.6MB in the end (delta: 41.9MB). Free memory was 179.0MB in the beginning and 132.3MB in the end (delta: 46.7MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. [2023-11-26 11:50:00,685 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 102.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:50:00,686 INFO L158 Benchmark]: CACSL2BoogieTranslator took 575.60ms. Allocated memory is still 207.6MB. Free memory was 178.8MB in the beginning and 161.4MB in the end (delta: 17.4MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2023-11-26 11:50:00,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.15ms. Allocated memory is still 207.6MB. Free memory was 161.4MB in the beginning and 159.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:50:00,686 INFO L158 Benchmark]: Boogie Preprocessor took 58.83ms. Allocated memory is still 207.6MB. Free memory was 159.3MB in the beginning and 157.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:50:00,687 INFO L158 Benchmark]: RCFGBuilder took 769.13ms. Allocated memory is still 207.6MB. Free memory was 157.2MB in the beginning and 129.0MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-26 11:50:00,687 INFO L158 Benchmark]: TraceAbstraction took 2598.59ms. Allocated memory was 207.6MB in the beginning and 249.6MB in the end (delta: 41.9MB). Free memory was 129.0MB in the beginning and 136.5MB in the end (delta: -7.5MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2023-11-26 11:50:00,688 INFO L158 Benchmark]: Witness Printer took 104.81ms. Allocated memory is still 249.6MB. Free memory was 136.5MB in the beginning and 132.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:50:00,690 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 102.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 575.60ms. Allocated memory is still 207.6MB. Free memory was 178.8MB in the beginning and 161.4MB in the end (delta: 17.4MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.15ms. Allocated memory is still 207.6MB. Free memory was 161.4MB in the beginning and 159.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.83ms. Allocated memory is still 207.6MB. Free memory was 159.3MB in the beginning and 157.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 769.13ms. Allocated memory is still 207.6MB. Free memory was 157.2MB in the beginning and 129.0MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2598.59ms. Allocated memory was 207.6MB in the beginning and 249.6MB in the end (delta: 41.9MB). Free memory was 129.0MB in the beginning and 136.5MB in the end (delta: -7.5MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. * Witness Printer took 104.81ms. Allocated memory is still 249.6MB. Free memory was 136.5MB in the beginning and 132.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 736]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 744]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 744]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 754]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 759]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 781]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 781]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 783]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 787]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 789]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 155 locations, 35 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=239occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 11:50:00,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b90606c-88bc-44a8-8e47-56f973fe110c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE