./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! data-race) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:40:56,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:40:57,033 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:40:57,042 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:40:57,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:40:57,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:40:57,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:40:57,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:40:57,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:40:57,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:40:57,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:40:57,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:40:57,079 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:40:57,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:40:57,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:40:57,080 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:40:57,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:40:57,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:40:57,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:40:57,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:40:57,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:40:57,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:40:57,080 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:40:57,080 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:40:57,081 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:40:57,081 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:40:57,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:40:57,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:40:57,081 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:40:57,081 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:40:57,081 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:40:57,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:40:57,081 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:40:57,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:40:57,081 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:40:57,081 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:40:57,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:40:57,082 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:40:57,082 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:40:57,082 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:40:57,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:40:57,082 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/releaseScripts/default/UAutomizer-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 -> 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 -> f41f3c018db74ffccd5759d166eb9816a1bf73b1747e3e539ecb5bf51feb56af [2024-11-07 15:40:57,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:40:57,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:40:57,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:40:57,430 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:40:57,430 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:40:57,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2024-11-07 15:40:58,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:40:59,102 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:40:59,103 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_90-arrayloop2_racing.i [2024-11-07 15:40:59,118 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/01a5fd5be/5efbf57b5282479ea3c539a8e7065cd8/FLAGb20441f60 [2024-11-07 15:40:59,135 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/01a5fd5be/5efbf57b5282479ea3c539a8e7065cd8 [2024-11-07 15:40:59,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:40:59,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:40:59,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:40:59,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:40:59,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:40:59,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:40:59" (1/1) ... [2024-11-07 15:40:59,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e4ef3f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:59, skipping insertion in model container [2024-11-07 15:40:59,144 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:40:59" (1/1) ... [2024-11-07 15:40:59,183 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:40:59,554 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:40:59,555 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:40:59,555 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:40:59,556 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:40:59,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:40:59,633 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:40:59,698 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:40:59,699 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:40:59,703 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:40:59,705 WARN L1674 CHandler]: Possible shadowing of function new [2024-11-07 15:40:59,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:40:59,804 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:40:59,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:59 WrapperNode [2024-11-07 15:40:59,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:40:59,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:40:59,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:40:59,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:40:59,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:59" (1/1) ... [2024-11-07 15:40:59,828 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:59" (1/1) ... [2024-11-07 15:40:59,886 INFO L138 Inliner]: procedures = 280, calls = 143, calls flagged for inlining = 11, calls inlined = 12, statements flattened = 566 [2024-11-07 15:40:59,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:40:59,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:40:59,888 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:40:59,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:40:59,894 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:59" (1/1) ... [2024-11-07 15:40:59,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:59" (1/1) ... [2024-11-07 15:40:59,904 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:59" (1/1) ... [2024-11-07 15:40:59,905 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:59" (1/1) ... [2024-11-07 15:40:59,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:59" (1/1) ... [2024-11-07 15:40:59,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:59" (1/1) ... [2024-11-07 15:40:59,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:59" (1/1) ... [2024-11-07 15:40:59,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:59" (1/1) ... [2024-11-07 15:40:59,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:40:59,990 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:40:59,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:40:59,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:40:59,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:59" (1/1) ... [2024-11-07 15:41:00,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:41:00,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:41:00,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 15:41:00,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 15:41:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 15:41:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-07 15:41:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-11-07 15:41:00,073 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-11-07 15:41:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 15:41:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-07 15:41:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 15:41:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 15:41:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-11-07 15:41:00,074 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-11-07 15:41:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 15:41:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 15:41:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 15:41:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:41:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-07 15:41:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:41:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:41:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:41:00,077 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-07 15:41:00,220 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:41:00,222 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:41:01,049 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:41:01,049 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:41:01,104 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:41:01,105 INFO L316 CfgBuilder]: Removed 30 assume(true) statements. [2024-11-07 15:41:01,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:41:01 BoogieIcfgContainer [2024-11-07 15:41:01,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:41:01,110 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:41:01,110 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:41:01,115 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:41:01,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:40:59" (1/3) ... [2024-11-07 15:41:01,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be52d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:41:01, skipping insertion in model container [2024-11-07 15:41:01,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:40:59" (2/3) ... [2024-11-07 15:41:01,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be52d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:41:01, skipping insertion in model container [2024-11-07 15:41:01,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:41:01" (3/3) ... [2024-11-07 15:41:01,118 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_90-arrayloop2_racing.i [2024-11-07 15:41:01,134 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:41:01,134 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-07 15:41:01,134 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:41:01,319 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-07 15:41:01,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 552 places, 595 transitions, 1210 flow [2024-11-07 15:41:01,687 INFO L124 PetriNetUnfolderBase]: 80/914 cut-off events. [2024-11-07 15:41:01,693 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-07 15:41:01,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 931 conditions, 914 events. 80/914 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 4253 event pairs, 0 based on Foata normal form. 0/783 useless extension candidates. Maximal degree in co-relation 510. Up to 8 conditions per place. [2024-11-07 15:41:01,722 INFO L82 GeneralOperation]: Start removeDead. Operand has 552 places, 595 transitions, 1210 flow [2024-11-07 15:41:01,737 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 552 places, 595 transitions, 1210 flow [2024-11-07 15:41:01,748 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:41:01,759 INFO L333 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, 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;@50fb4180, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:41:01,759 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2024-11-07 15:41:01,796 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:41:01,797 INFO L124 PetriNetUnfolderBase]: 3/121 cut-off events. [2024-11-07 15:41:01,797 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:41:01,797 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:01,797 INFO L204 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, 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, 1, 1, 1, 1, 1] [2024-11-07 15:41:01,798 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr6ASSERT_VIOLATIONDATA_RACE, t2_funErr5ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-07 15:41:01,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:01,802 INFO L85 PathProgramCache]: Analyzing trace with hash 515834967, now seen corresponding path program 1 times [2024-11-07 15:41:01,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:01,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55619921] [2024-11-07 15:41:01,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:01,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:03,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:03,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:03,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55619921] [2024-11-07 15:41:03,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55619921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:03,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:03,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:41:03,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754086550] [2024-11-07 15:41:03,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:03,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:03,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:03,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:03,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:41:03,947 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 595 [2024-11-07 15:41:03,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 595 transitions, 1210 flow. Second operand has 6 states, 6 states have (on average 418.3333333333333) internal successors, (2510), 6 states have internal predecessors, (2510), 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) [2024-11-07 15:41:03,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:03,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 595 [2024-11-07 15:41:03,964 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:17,379 INFO L124 PetriNetUnfolderBase]: 39310/100406 cut-off events. [2024-11-07 15:41:17,380 INFO L125 PetriNetUnfolderBase]: For 1140/1329 co-relation queries the response was YES. [2024-11-07 15:41:17,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158549 conditions, 100406 events. 39310/100406 cut-off events. For 1140/1329 co-relation queries the response was YES. Maximal size of possible extension queue 2045. Compared 1254508 event pairs, 34452 based on Foata normal form. 18854/110540 useless extension candidates. Maximal degree in co-relation 154353. Up to 57748 conditions per place. [2024-11-07 15:41:18,105 INFO L140 encePairwiseOnDemand]: 547/595 looper letters, 128 selfloop transitions, 10 changer transitions 0/553 dead transitions. [2024-11-07 15:41:18,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 551 places, 553 transitions, 1402 flow [2024-11-07 15:41:18,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:18,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:18,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2678 transitions. [2024-11-07 15:41:18,137 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.750140056022409 [2024-11-07 15:41:18,139 INFO L175 Difference]: Start difference. First operand has 552 places, 595 transitions, 1210 flow. Second operand 6 states and 2678 transitions. [2024-11-07 15:41:18,140 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 551 places, 553 transitions, 1402 flow [2024-11-07 15:41:18,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 553 transitions, 1402 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 15:41:18,168 INFO L231 Difference]: Finished difference. Result has 551 places, 553 transitions, 1146 flow [2024-11-07 15:41:18,171 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1126, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=543, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1146, PETRI_PLACES=551, PETRI_TRANSITIONS=553} [2024-11-07 15:41:18,176 INFO L277 CegarLoopForPetriNet]: 552 programPoint places, -1 predicate places. [2024-11-07 15:41:18,177 INFO L471 AbstractCegarLoop]: Abstraction has has 551 places, 553 transitions, 1146 flow [2024-11-07 15:41:18,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 418.3333333333333) internal successors, (2510), 6 states have internal predecessors, (2510), 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) [2024-11-07 15:41:18,179 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:18,179 INFO L204 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:18,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:41:18,180 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr6ASSERT_VIOLATIONDATA_RACE, t2_funErr5ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-07 15:41:18,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:18,182 INFO L85 PathProgramCache]: Analyzing trace with hash -723542395, now seen corresponding path program 1 times [2024-11-07 15:41:18,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:18,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926567571] [2024-11-07 15:41:18,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:18,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:18,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:18,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:18,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926567571] [2024-11-07 15:41:18,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926567571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:18,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:18,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:41:18,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243595491] [2024-11-07 15:41:18,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:18,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:41:18,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:18,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:41:18,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:41:18,544 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 529 out of 595 [2024-11-07 15:41:18,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 553 transitions, 1146 flow. Second operand has 3 states, 3 states have (on average 530.3333333333334) internal successors, (1591), 3 states have internal predecessors, (1591), 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) [2024-11-07 15:41:18,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:18,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 529 of 595 [2024-11-07 15:41:18,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:19,199 INFO L124 PetriNetUnfolderBase]: 390/4229 cut-off events. [2024-11-07 15:41:19,199 INFO L125 PetriNetUnfolderBase]: For 185/186 co-relation queries the response was YES. [2024-11-07 15:41:19,223 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4901 conditions, 4229 events. 390/4229 cut-off events. For 185/186 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 38760 event pairs, 264 based on Foata normal form. 1/3839 useless extension candidates. Maximal degree in co-relation 4576. Up to 567 conditions per place. [2024-11-07 15:41:19,241 INFO L140 encePairwiseOnDemand]: 592/595 looper letters, 27 selfloop transitions, 2 changer transitions 0/554 dead transitions. [2024-11-07 15:41:19,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 553 places, 554 transitions, 1206 flow [2024-11-07 15:41:19,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:41:19,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:41:19,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1617 transitions. [2024-11-07 15:41:19,247 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9058823529411765 [2024-11-07 15:41:19,247 INFO L175 Difference]: Start difference. First operand has 551 places, 553 transitions, 1146 flow. Second operand 3 states and 1617 transitions. [2024-11-07 15:41:19,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 553 places, 554 transitions, 1206 flow [2024-11-07 15:41:19,252 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 548 places, 554 transitions, 1186 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-07 15:41:19,260 INFO L231 Difference]: Finished difference. Result has 549 places, 554 transitions, 1138 flow [2024-11-07 15:41:19,261 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1126, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=553, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=551, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1138, PETRI_PLACES=549, PETRI_TRANSITIONS=554} [2024-11-07 15:41:19,261 INFO L277 CegarLoopForPetriNet]: 552 programPoint places, -3 predicate places. [2024-11-07 15:41:19,262 INFO L471 AbstractCegarLoop]: Abstraction has has 549 places, 554 transitions, 1138 flow [2024-11-07 15:41:19,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 530.3333333333334) internal successors, (1591), 3 states have internal predecessors, (1591), 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) [2024-11-07 15:41:19,263 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:19,263 INFO L204 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:41:19,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:41:19,264 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr6ASSERT_VIOLATIONDATA_RACE, t2_funErr5ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-07 15:41:19,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:19,266 INFO L85 PathProgramCache]: Analyzing trace with hash 26147494, now seen corresponding path program 1 times [2024-11-07 15:41:19,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:19,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925242315] [2024-11-07 15:41:19,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:19,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:19,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:19,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:19,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925242315] [2024-11-07 15:41:19,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925242315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:19,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:19,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:41:19,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794269484] [2024-11-07 15:41:19,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:19,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:19,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:19,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:19,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:41:20,499 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 417 out of 595 [2024-11-07 15:41:20,503 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 549 places, 554 transitions, 1138 flow. Second operand has 6 states, 6 states have (on average 418.3333333333333) internal successors, (2510), 6 states have internal predecessors, (2510), 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) [2024-11-07 15:41:20,504 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:20,504 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 417 of 595 [2024-11-07 15:41:20,504 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:41:33,251 INFO L124 PetriNetUnfolderBase]: 39311/100528 cut-off events. [2024-11-07 15:41:33,252 INFO L125 PetriNetUnfolderBase]: For 952/1141 co-relation queries the response was YES. [2024-11-07 15:41:33,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158722 conditions, 100528 events. 39311/100528 cut-off events. For 952/1141 co-relation queries the response was YES. Maximal size of possible extension queue 2045. Compared 1254606 event pairs, 34452 based on Foata normal form. 0/91804 useless extension candidates. Maximal degree in co-relation 158455. Up to 57782 conditions per place. [2024-11-07 15:41:33,828 INFO L140 encePairwiseOnDemand]: 583/595 looper letters, 128 selfloop transitions, 10 changer transitions 0/552 dead transitions. [2024-11-07 15:41:33,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 552 places, 552 transitions, 1410 flow [2024-11-07 15:41:33,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:41:33,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:41:33,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2642 transitions. [2024-11-07 15:41:33,836 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7400560224089636 [2024-11-07 15:41:33,836 INFO L175 Difference]: Start difference. First operand has 549 places, 554 transitions, 1138 flow. Second operand 6 states and 2642 transitions. [2024-11-07 15:41:33,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 552 places, 552 transitions, 1410 flow [2024-11-07 15:41:33,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 551 places, 552 transitions, 1408 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:41:33,850 INFO L231 Difference]: Finished difference. Result has 551 places, 552 transitions, 1152 flow [2024-11-07 15:41:33,851 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=595, PETRI_DIFFERENCE_MINUEND_FLOW=1132, PETRI_DIFFERENCE_MINUEND_PLACES=546, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=552, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1152, PETRI_PLACES=551, PETRI_TRANSITIONS=552} [2024-11-07 15:41:33,852 INFO L277 CegarLoopForPetriNet]: 552 programPoint places, -1 predicate places. [2024-11-07 15:41:33,853 INFO L471 AbstractCegarLoop]: Abstraction has has 551 places, 552 transitions, 1152 flow [2024-11-07 15:41:33,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 418.3333333333333) internal successors, (2510), 6 states have internal predecessors, (2510), 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) [2024-11-07 15:41:33,855 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:41:33,855 INFO L204 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, 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, 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] [2024-11-07 15:41:33,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:41:33,855 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr6ASSERT_VIOLATIONDATA_RACE, t2_funErr5ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2024-11-07 15:41:33,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:41:33,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1423152180, now seen corresponding path program 1 times [2024-11-07 15:41:33,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:41:33,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133980342] [2024-11-07 15:41:33,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:41:33,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:41:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:41:34,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 15:41:34,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:41:34,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133980342] [2024-11-07 15:41:34,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133980342] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:41:34,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:41:34,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:41:34,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222764290] [2024-11-07 15:41:34,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:41:34,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 15:41:34,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:41:34,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 15:41:34,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 15:41:34,948 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 595 [2024-11-07 15:41:34,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 551 places, 552 transitions, 1152 flow. Second operand has 6 states, 6 states have (on average 418.6666666666667) internal successors, (2512), 6 states have internal predecessors, (2512), 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) [2024-11-07 15:41:34,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:41:34,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 595 [2024-11-07 15:41:34,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand