./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_42-traces-ex-mini_true.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/13-privatized_42-traces-ex-mini_true.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', 'a1b66927274f90f2d29b42a27dd6906879a79472ec3d29ac0ef54d445fc2204b'] 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/13-privatized_42-traces-ex-mini_true.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 a1b66927274f90f2d29b42a27dd6906879a79472ec3d29ac0ef54d445fc2204b --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:37:57,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:37:58,056 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-07 15:37:58,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:37:58,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:37:58,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:37:58,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:37:58,126 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:37:58,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:37:58,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:37:58,126 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:37:58,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:37:58,126 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:37:58,126 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:37:58,126 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:37:58,126 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:37:58,127 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:37:58,127 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:37:58,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:37:58,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:37:58,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:37:58,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:37:58,127 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-07 15:37:58,127 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:37:58,127 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:37:58,127 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:37:58,127 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:37:58,127 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:37:58,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:37:58,128 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:37:58,128 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:37:58,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:37:58,128 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:37:58,128 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:37:58,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 15:37:58,128 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:37:58,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:37:58,128 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:37:58,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:37:58,128 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:37:58,128 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:37:58,128 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 -> a1b66927274f90f2d29b42a27dd6906879a79472ec3d29ac0ef54d445fc2204b [2024-11-07 15:37:58,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:37:58,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:37:58,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:37:58,695 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:37:58,695 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:37:58,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_42-traces-ex-mini_true.i [2024-11-07 15:38:00,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:38:01,207 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:38:01,207 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_42-traces-ex-mini_true.i [2024-11-07 15:38:01,232 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4569da14a/daef7554aa1346cdb4e1d81135c8ce51/FLAG3e4dd72db [2024-11-07 15:38:01,251 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4569da14a/daef7554aa1346cdb4e1d81135c8ce51 [2024-11-07 15:38:01,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:38:01,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:38:01,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:38:01,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:38:01,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:38:01,267 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:38:01" (1/1) ... [2024-11-07 15:38:01,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4332a9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:01, skipping insertion in model container [2024-11-07 15:38:01,273 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:38:01" (1/1) ... [2024-11-07 15:38:01,322 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:38:01,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:38:01,738 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:38:01,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:38:01,911 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:38:01,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:01 WrapperNode [2024-11-07 15:38:01,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:38:01,917 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:38:01,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:38:01,918 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:38:01,935 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:01" (1/1) ... [2024-11-07 15:38:01,953 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:01" (1/1) ... [2024-11-07 15:38:01,984 INFO L138 Inliner]: procedures = 162, calls = 37, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-07 15:38:01,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:38:01,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:38:01,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:38:01,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:38:02,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:01" (1/1) ... [2024-11-07 15:38:02,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:01" (1/1) ... [2024-11-07 15:38:02,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:01" (1/1) ... [2024-11-07 15:38:02,011 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:01" (1/1) ... [2024-11-07 15:38:02,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:01" (1/1) ... [2024-11-07 15:38:02,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:01" (1/1) ... [2024-11-07 15:38:02,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:01" (1/1) ... [2024-11-07 15:38:02,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:01" (1/1) ... [2024-11-07 15:38:02,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:38:02,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:38:02,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:38:02,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:38:02,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:01" (1/1) ... [2024-11-07 15:38:02,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:38:02,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:38:02,104 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 15:38:02,132 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 15:38:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-07 15:38:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:38:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-07 15:38:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-07 15:38:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 15:38:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-07 15:38:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:38:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:38:02,170 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 15:38:02,387 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:38:02,388 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:38:02,700 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 15:38:02,701 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:38:02,758 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:38:02,758 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 15:38:02,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:38:02 BoogieIcfgContainer [2024-11-07 15:38:02,760 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:38:02,766 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:38:02,766 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:38:02,774 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:38:02,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:38:01" (1/3) ... [2024-11-07 15:38:02,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7940133c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:38:02, skipping insertion in model container [2024-11-07 15:38:02,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:38:01" (2/3) ... [2024-11-07 15:38:02,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7940133c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:38:02, skipping insertion in model container [2024-11-07 15:38:02,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:38:02" (3/3) ... [2024-11-07 15:38:02,776 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_42-traces-ex-mini_true.i [2024-11-07 15:38:02,795 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:38:02,799 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-07 15:38:02,800 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 15:38:02,886 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-07 15:38:02,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 93 transitions, 190 flow [2024-11-07 15:38:03,023 INFO L124 PetriNetUnfolderBase]: 2/92 cut-off events. [2024-11-07 15:38:03,033 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:38:03,038 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 92 events. 2/92 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 77 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 57. Up to 2 conditions per place. [2024-11-07 15:38:03,047 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 93 transitions, 190 flow [2024-11-07 15:38:03,056 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 94 places, 92 transitions, 187 flow [2024-11-07 15:38:03,067 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:38:03,088 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;@3ef20e6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:38:03,091 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-07 15:38:03,119 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 15:38:03,123 INFO L124 PetriNetUnfolderBase]: 0/51 cut-off events. [2024-11-07 15:38:03,123 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 15:38:03,123 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:38:03,124 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] [2024-11-07 15:38:03,127 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-07 15:38:03,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:38:03,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1358503425, now seen corresponding path program 1 times [2024-11-07 15:38:03,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:38:03,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809128777] [2024-11-07 15:38:03,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:38:03,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:38:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:38:03,593 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 15:38:03,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:38:03,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809128777] [2024-11-07 15:38:03,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809128777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:38:03,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:38:03,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:38:03,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51402682] [2024-11-07 15:38:03,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:38:03,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:38:03,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:38:03,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:38:03,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:38:03,704 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 93 [2024-11-07 15:38:03,707 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 92 transitions, 187 flow. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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 15:38:03,711 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:38:03,711 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 93 [2024-11-07 15:38:03,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:38:03,927 INFO L124 PetriNetUnfolderBase]: 72/354 cut-off events. [2024-11-07 15:38:03,929 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 15:38:03,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 523 conditions, 354 events. 72/354 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1659 event pairs, 52 based on Foata normal form. 19/348 useless extension candidates. Maximal degree in co-relation 482. Up to 133 conditions per place. [2024-11-07 15:38:03,940 INFO L140 encePairwiseOnDemand]: 86/93 looper letters, 23 selfloop transitions, 4 changer transitions 0/97 dead transitions. [2024-11-07 15:38:03,943 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 97 transitions, 251 flow [2024-11-07 15:38:03,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:38:03,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:38:03,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 248 transitions. [2024-11-07 15:38:03,964 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2024-11-07 15:38:03,965 INFO L175 Difference]: Start difference. First operand has 94 places, 92 transitions, 187 flow. Second operand 3 states and 248 transitions. [2024-11-07 15:38:03,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 97 transitions, 251 flow [2024-11-07 15:38:03,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 97 transitions, 250 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 15:38:03,982 INFO L231 Difference]: Finished difference. Result has 95 places, 91 transitions, 208 flow [2024-11-07 15:38:03,988 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=178, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=208, PETRI_PLACES=95, PETRI_TRANSITIONS=91} [2024-11-07 15:38:03,992 INFO L277 CegarLoopForPetriNet]: 94 programPoint places, 1 predicate places. [2024-11-07 15:38:03,996 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 91 transitions, 208 flow [2024-11-07 15:38:03,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 3 states have internal predecessors, (222), 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 15:38:03,997 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:38:03,997 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] [2024-11-07 15:38:03,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 15:38:03,997 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-07 15:38:03,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:38:03,998 INFO L85 PathProgramCache]: Analyzing trace with hash -607025058, now seen corresponding path program 1 times [2024-11-07 15:38:03,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:38:03,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180750739] [2024-11-07 15:38:03,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:38:03,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:38:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:38:04,130 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 15:38:04,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:38:04,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180750739] [2024-11-07 15:38:04,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180750739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:38:04,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:38:04,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:38:04,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014988141] [2024-11-07 15:38:04,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:38:04,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:38:04,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:38:04,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:38:04,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:38:04,158 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 74 out of 93 [2024-11-07 15:38:04,158 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 91 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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 15:38:04,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:38:04,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 74 of 93 [2024-11-07 15:38:04,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:38:04,296 INFO L124 PetriNetUnfolderBase]: 67/485 cut-off events. [2024-11-07 15:38:04,296 INFO L125 PetriNetUnfolderBase]: For 37/39 co-relation queries the response was YES. [2024-11-07 15:38:04,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 719 conditions, 485 events. 67/485 cut-off events. For 37/39 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2717 event pairs, 20 based on Foata normal form. 0/457 useless extension candidates. Maximal degree in co-relation 677. Up to 91 conditions per place. [2024-11-07 15:38:04,302 INFO L140 encePairwiseOnDemand]: 88/93 looper letters, 21 selfloop transitions, 5 changer transitions 1/101 dead transitions. [2024-11-07 15:38:04,302 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 101 transitions, 286 flow [2024-11-07 15:38:04,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:38:04,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:38:04,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 249 transitions. [2024-11-07 15:38:04,304 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8924731182795699 [2024-11-07 15:38:04,304 INFO L175 Difference]: Start difference. First operand has 95 places, 91 transitions, 208 flow. Second operand 3 states and 249 transitions. [2024-11-07 15:38:04,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 101 transitions, 286 flow [2024-11-07 15:38:04,308 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 101 transitions, 276 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:38:04,309 INFO L231 Difference]: Finished difference. Result has 97 places, 94 transitions, 236 flow [2024-11-07 15:38:04,310 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=97, PETRI_TRANSITIONS=94} [2024-11-07 15:38:04,313 INFO L277 CegarLoopForPetriNet]: 94 programPoint places, 3 predicate places. [2024-11-07 15:38:04,313 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 94 transitions, 236 flow [2024-11-07 15:38:04,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.0) internal successors, (228), 3 states have internal predecessors, (228), 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 15:38:04,313 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:38:04,314 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] [2024-11-07 15:38:04,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 15:38:04,314 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-07 15:38:04,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:38:04,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1711084680, now seen corresponding path program 1 times [2024-11-07 15:38:04,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:38:04,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782566628] [2024-11-07 15:38:04,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:38:04,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:38:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:38:04,452 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 15:38:04,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:38:04,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782566628] [2024-11-07 15:38:04,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782566628] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:38:04,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:38:04,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:38:04,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476348842] [2024-11-07 15:38:04,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:38:04,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:38:04,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:38:04,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:38:04,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:38:04,472 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 72 out of 93 [2024-11-07 15:38:04,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 94 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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 15:38:04,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:38:04,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 72 of 93 [2024-11-07 15:38:04,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:38:04,592 INFO L124 PetriNetUnfolderBase]: 102/551 cut-off events. [2024-11-07 15:38:04,596 INFO L125 PetriNetUnfolderBase]: For 111/111 co-relation queries the response was YES. [2024-11-07 15:38:04,597 INFO L83 FinitePrefix]: Finished finitePrefix Result has 911 conditions, 551 events. 102/551 cut-off events. For 111/111 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3196 event pairs, 63 based on Foata normal form. 0/516 useless extension candidates. Maximal degree in co-relation 868. Up to 187 conditions per place. [2024-11-07 15:38:04,598 INFO L140 encePairwiseOnDemand]: 88/93 looper letters, 21 selfloop transitions, 4 changer transitions 6/103 dead transitions. [2024-11-07 15:38:04,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 103 transitions, 320 flow [2024-11-07 15:38:04,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:38:04,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 15:38:04,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 244 transitions. [2024-11-07 15:38:04,603 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8745519713261649 [2024-11-07 15:38:04,603 INFO L175 Difference]: Start difference. First operand has 97 places, 94 transitions, 236 flow. Second operand 3 states and 244 transitions. [2024-11-07 15:38:04,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 103 transitions, 320 flow [2024-11-07 15:38:04,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 103 transitions, 308 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 15:38:04,606 INFO L231 Difference]: Finished difference. Result has 99 places, 94 transitions, 250 flow [2024-11-07 15:38:04,606 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=250, PETRI_PLACES=99, PETRI_TRANSITIONS=94} [2024-11-07 15:38:04,610 INFO L277 CegarLoopForPetriNet]: 94 programPoint places, 5 predicate places. [2024-11-07 15:38:04,610 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 94 transitions, 250 flow [2024-11-07 15:38:04,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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 15:38:04,611 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:38:04,611 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] [2024-11-07 15:38:04,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 15:38:04,611 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-07 15:38:04,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:38:04,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1525480086, now seen corresponding path program 1 times [2024-11-07 15:38:04,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:38:04,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770055273] [2024-11-07 15:38:04,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:38:04,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:38:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:38:04,994 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 15:38:04,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:38:04,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770055273] [2024-11-07 15:38:04,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770055273] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:38:04,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:38:04,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 15:38:04,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205590690] [2024-11-07 15:38:04,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:38:04,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 15:38:04,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:38:04,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 15:38:04,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 15:38:05,060 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 77 out of 93 [2024-11-07 15:38:05,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 94 transitions, 250 flow. Second operand has 5 states, 5 states have (on average 78.6) internal successors, (393), 5 states have internal predecessors, (393), 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 15:38:05,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:38:05,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 77 of 93 [2024-11-07 15:38:05,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:38:05,178 INFO L124 PetriNetUnfolderBase]: 23/328 cut-off events. [2024-11-07 15:38:05,178 INFO L125 PetriNetUnfolderBase]: For 48/50 co-relation queries the response was YES. [2024-11-07 15:38:05,179 INFO L83 FinitePrefix]: Finished finitePrefix Result has 499 conditions, 328 events. 23/328 cut-off events. For 48/50 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1545 event pairs, 8 based on Foata normal form. 4/323 useless extension candidates. Maximal degree in co-relation 453. Up to 52 conditions per place. [2024-11-07 15:38:05,180 INFO L140 encePairwiseOnDemand]: 86/93 looper letters, 8 selfloop transitions, 6 changer transitions 6/96 dead transitions. [2024-11-07 15:38:05,180 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 96 transitions, 282 flow [2024-11-07 15:38:05,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 15:38:05,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 15:38:05,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 406 transitions. [2024-11-07 15:38:05,186 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8731182795698925 [2024-11-07 15:38:05,187 INFO L175 Difference]: Start difference. First operand has 99 places, 94 transitions, 250 flow. Second operand 5 states and 406 transitions. [2024-11-07 15:38:05,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 96 transitions, 282 flow [2024-11-07 15:38:05,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 96 transitions, 262 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-07 15:38:05,195 INFO L231 Difference]: Finished difference. Result has 99 places, 89 transitions, 226 flow [2024-11-07 15:38:05,195 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=212, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=226, PETRI_PLACES=99, PETRI_TRANSITIONS=89} [2024-11-07 15:38:05,196 INFO L277 CegarLoopForPetriNet]: 94 programPoint places, 5 predicate places. [2024-11-07 15:38:05,196 INFO L471 AbstractCegarLoop]: Abstraction has has 99 places, 89 transitions, 226 flow [2024-11-07 15:38:05,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 78.6) internal successors, (393), 5 states have internal predecessors, (393), 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 15:38:05,200 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 15:38:05,200 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] [2024-11-07 15:38:05,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 15:38:05,200 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2024-11-07 15:38:05,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:38:05,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1874429757, now seen corresponding path program 1 times [2024-11-07 15:38:05,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 15:38:05,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127410196] [2024-11-07 15:38:05,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:38:05,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 15:38:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:38:05,632 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 15:38:05,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 15:38:05,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127410196] [2024-11-07 15:38:05,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127410196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:38:05,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:38:05,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 15:38:05,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838883812] [2024-11-07 15:38:05,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:38:05,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 15:38:05,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 15:38:05,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 15:38:05,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-07 15:38:05,827 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 76 out of 93 [2024-11-07 15:38:05,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 89 transitions, 226 flow. Second operand has 8 states, 8 states have (on average 77.25) internal successors, (618), 8 states have internal predecessors, (618), 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 15:38:05,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 15:38:05,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 76 of 93 [2024-11-07 15:38:05,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 15:38:05,924 INFO L124 PetriNetUnfolderBase]: 6/148 cut-off events. [2024-11-07 15:38:05,924 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2024-11-07 15:38:05,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 148 events. 6/148 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 262 event pairs, 2 based on Foata normal form. 3/147 useless extension candidates. Maximal degree in co-relation 177. Up to 16 conditions per place. [2024-11-07 15:38:05,926 INFO L140 encePairwiseOnDemand]: 86/93 looper letters, 0 selfloop transitions, 0 changer transitions 88/88 dead transitions. [2024-11-07 15:38:05,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 88 transitions, 252 flow [2024-11-07 15:38:05,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 15:38:05,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 15:38:05,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 475 transitions. [2024-11-07 15:38:05,927 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8512544802867383 [2024-11-07 15:38:05,927 INFO L175 Difference]: Start difference. First operand has 99 places, 89 transitions, 226 flow. Second operand 6 states and 475 transitions. [2024-11-07 15:38:05,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 88 transitions, 252 flow [2024-11-07 15:38:05,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 88 transitions, 230 flow, removed 4 selfloop flow, removed 6 redundant places. [2024-11-07 15:38:05,928 INFO L231 Difference]: Finished difference. Result has 96 places, 0 transitions, 0 flow [2024-11-07 15:38:05,928 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=93, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=96, PETRI_TRANSITIONS=0} [2024-11-07 15:38:05,929 INFO L277 CegarLoopForPetriNet]: 94 programPoint places, 2 predicate places. [2024-11-07 15:38:05,929 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 0 transitions, 0 flow [2024-11-07 15:38:05,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 77.25) internal successors, (618), 8 states have internal predecessors, (618), 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 15:38:05,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2024-11-07 15:38:05,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2024-11-07 15:38:05,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2024-11-07 15:38:05,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2024-11-07 15:38:05,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2024-11-07 15:38:05,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 6 remaining) [2024-11-07 15:38:05,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 15:38:05,942 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-07 15:38:05,947 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 15:38:05,948 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 15:38:05,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 03:38:05 BasicIcfg [2024-11-07 15:38:05,955 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 15:38:05,955 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 15:38:05,959 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 15:38:05,959 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 15:38:05,960 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:38:02" (3/4) ... [2024-11-07 15:38:05,962 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 15:38:05,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-07 15:38:05,969 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-07 15:38:05,970 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 15:38:05,970 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-07 15:38:05,970 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 15:38:06,112 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 15:38:06,118 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 15:38:06,123 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 15:38:06,124 INFO L158 Benchmark]: Toolchain (without parser) took 4869.11ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 48.3MB in the end (delta: 44.3MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2024-11-07 15:38:06,124 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:38:06,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 651.40ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 72.9MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 15:38:06,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.97ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 71.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:38:06,124 INFO L158 Benchmark]: Boogie Preprocessor took 51.28ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 70.2MB in the end (delta: 936.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:38:06,125 INFO L158 Benchmark]: RCFGBuilder took 718.69ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 54.7MB in the end (delta: 15.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 15:38:06,130 INFO L158 Benchmark]: TraceAbstraction took 3188.81ms. Allocated memory is still 117.4MB. Free memory was 54.1MB in the beginning and 53.4MB in the end (delta: 706.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:38:06,130 INFO L158 Benchmark]: Witness Printer took 167.73ms. Allocated memory is still 117.4MB. Free memory was 53.4MB in the beginning and 48.3MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:38:06,138 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 651.40ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 72.9MB in the end (delta: 19.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.97ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 71.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.28ms. Allocated memory is still 117.4MB. Free memory was 71.2MB in the beginning and 70.2MB in the end (delta: 936.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 718.69ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 54.7MB in the end (delta: 15.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3188.81ms. Allocated memory is still 117.4MB. Free memory was 54.1MB in the beginning and 53.4MB in the end (delta: 706.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 167.73ms. Allocated memory is still 117.4MB. Free memory was 53.4MB in the beginning and 48.3MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: 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 3 procedures, 117 locations, 6 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: 3.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 265 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 169 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 446 IncrementalHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 37 mSDtfsCounter, 446 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=250occurred in iteration=3, InterpolantAutomatonStates: 20, 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, 1.2s InterpolantComputationTime, 253 NumberOfCodeBlocks, 253 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 727 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-07 15:38:06,208 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE