./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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/pthread-C-DAC/pthread-demo-datarace-3.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '44de34ccc7195f8ba562241ad79de4cb2add35f6ad2c59de465184820d6f6382'] 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/pthread-C-DAC/pthread-demo-datarace-3.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 44de34ccc7195f8ba562241ad79de4cb2add35f6ad2c59de465184820d6f6382 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:30:29,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:30:29,830 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:30:29,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:30:29,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:30:29,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:30:29,867 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:30:29,867 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:30:29,868 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:30:29,868 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:30:29,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:30:29,869 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:30:29,869 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:30:29,869 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:30:29,869 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:30:29,869 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:30:29,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:30:29,871 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:30:29,871 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:30:29,871 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:30:29,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:30:29,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:30:29,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:30:29,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:30:29,871 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:30:29,872 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:30:29,872 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:30:29,872 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:30:29,872 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:30:29,872 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:30:29,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:30:29,872 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:30:29,872 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:30:29,872 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:30:29,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:30:29,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:30:29,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:30:29,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:30:29,873 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:30:29,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:30:29,874 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:30:29,874 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:30:29,874 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:30:29,874 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:30:29,874 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 ! overflow) ) 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 -> 44de34ccc7195f8ba562241ad79de4cb2add35f6ad2c59de465184820d6f6382 [2024-11-07 23:30:30,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:30:30,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:30:30,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:30:30,182 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:30:30,182 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:30:30,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i [2024-11-07 23:30:31,550 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:30:31,876 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:30:31,879 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i [2024-11-07 23:30:31,899 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/25d72904a/73f64bbc66ec4233a5a4f3a62e4e63c3/FLAG2efc7f87c [2024-11-07 23:30:31,919 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/25d72904a/73f64bbc66ec4233a5a4f3a62e4e63c3 [2024-11-07 23:30:31,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:30:31,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:30:31,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:30:31,926 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:30:31,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:30:31,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:30:31" (1/1) ... [2024-11-07 23:30:31,932 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45073ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:30:31, skipping insertion in model container [2024-11-07 23:30:31,933 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:30:31" (1/1) ... [2024-11-07 23:30:31,977 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:30:32,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:30:32,378 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:30:32,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:30:32,511 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:30:32,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:30:32 WrapperNode [2024-11-07 23:30:32,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:30:32,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:30:32,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:30:32,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:30:32,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:30:32" (1/1) ... [2024-11-07 23:30:32,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:30:32" (1/1) ... [2024-11-07 23:30:32,563 INFO L138 Inliner]: procedures = 364, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 120 [2024-11-07 23:30:32,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:30:32,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:30:32,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:30:32,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:30:32,573 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:30:32" (1/1) ... [2024-11-07 23:30:32,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:30:32" (1/1) ... [2024-11-07 23:30:32,581 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:30:32" (1/1) ... [2024-11-07 23:30:32,600 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 23:30:32,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:30:32" (1/1) ... [2024-11-07 23:30:32,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:30:32" (1/1) ... [2024-11-07 23:30:32,613 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:30:32" (1/1) ... [2024-11-07 23:30:32,620 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:30:32" (1/1) ... [2024-11-07 23:30:32,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:30:32" (1/1) ... [2024-11-07 23:30:32,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:30:32" (1/1) ... [2024-11-07 23:30:32,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:30:32,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:30:32,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:30:32,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:30:32,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:30:32" (1/1) ... [2024-11-07 23:30:32,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:30:32,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:30:32,659 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 23:30:32,661 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 23:30:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-07 23:30:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-07 23:30:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_datarace [2024-11-07 23:30:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_datarace [2024-11-07 23:30:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:30:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:30:32,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:30:32,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:30:32,691 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 23:30:32,808 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:30:32,810 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:30:33,010 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 23:30:33,010 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:30:33,356 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:30:33,356 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 23:30:33,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:30:33 BoogieIcfgContainer [2024-11-07 23:30:33,357 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:30:33,359 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:30:33,359 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:30:33,362 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:30:33,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:30:31" (1/3) ... [2024-11-07 23:30:33,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5240457f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:30:33, skipping insertion in model container [2024-11-07 23:30:33,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:30:32" (2/3) ... [2024-11-07 23:30:33,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5240457f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:30:33, skipping insertion in model container [2024-11-07 23:30:33,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:30:33" (3/3) ... [2024-11-07 23:30:33,365 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-3.i [2024-11-07 23:30:33,377 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:30:33,378 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-07 23:30:33,378 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 23:30:33,420 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-07 23:30:33,452 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 30 transitions, 67 flow [2024-11-07 23:30:33,482 INFO L124 PetriNetUnfolderBase]: 2/29 cut-off events. [2024-11-07 23:30:33,484 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-07 23:30:33,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 29 events. 2/29 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 60 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 25. Up to 2 conditions per place. [2024-11-07 23:30:33,488 INFO L82 GeneralOperation]: Start removeDead. Operand has 32 places, 30 transitions, 67 flow [2024-11-07 23:30:33,490 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 29 places, 27 transitions, 57 flow [2024-11-07 23:30:33,496 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 23:30:33,513 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;@187bb372, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 23:30:33,514 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-11-07 23:30:33,520 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 23:30:33,520 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2024-11-07 23:30:33,520 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 23:30:33,520 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:30:33,521 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-11-07 23:30:33,521 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-07 23:30:33,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:30:33,525 INFO L85 PathProgramCache]: Analyzing trace with hash 366041552, now seen corresponding path program 1 times [2024-11-07 23:30:33,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:30:33,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423898850] [2024-11-07 23:30:33,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:33,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:30:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:33,810 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 23:30:33,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:30:33,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423898850] [2024-11-07 23:30:33,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423898850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:30:33,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:30:33,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-07 23:30:33,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958120463] [2024-11-07 23:30:33,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:30:33,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 23:30:33,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:30:33,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 23:30:33,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 23:30:33,849 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 30 [2024-11-07 23:30:33,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 27 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 23:30:33,852 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:30:33,852 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 30 [2024-11-07 23:30:33,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:30:33,932 INFO L124 PetriNetUnfolderBase]: 42/133 cut-off events. [2024-11-07 23:30:33,932 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 23:30:33,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 133 events. 42/133 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 549 event pairs, 6 based on Foata normal form. 0/107 useless extension candidates. Maximal degree in co-relation 213. Up to 66 conditions per place. [2024-11-07 23:30:33,936 INFO L140 encePairwiseOnDemand]: 25/30 looper letters, 17 selfloop transitions, 3 changer transitions 0/34 dead transitions. [2024-11-07 23:30:33,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 34 transitions, 111 flow [2024-11-07 23:30:33,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 23:30:33,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 23:30:33,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 67 transitions. [2024-11-07 23:30:33,949 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7444444444444445 [2024-11-07 23:30:33,951 INFO L175 Difference]: Start difference. First operand has 29 places, 27 transitions, 57 flow. Second operand 3 states and 67 transitions. [2024-11-07 23:30:33,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 34 transitions, 111 flow [2024-11-07 23:30:33,955 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 34 transitions, 110 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 23:30:33,959 INFO L231 Difference]: Finished difference. Result has 31 places, 29 transitions, 77 flow [2024-11-07 23:30:33,961 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=77, PETRI_PLACES=31, PETRI_TRANSITIONS=29} [2024-11-07 23:30:33,964 INFO L277 CegarLoopForPetriNet]: 29 programPoint places, 2 predicate places. [2024-11-07 23:30:33,965 INFO L471 AbstractCegarLoop]: Abstraction has has 31 places, 29 transitions, 77 flow [2024-11-07 23:30:33,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 23:30:33,966 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:30:33,966 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 23:30:33,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 23:30:33,966 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread_function_dataraceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-07 23:30:33,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:30:33,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1536767146, now seen corresponding path program 1 times [2024-11-07 23:30:33,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:30:33,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939830601] [2024-11-07 23:30:33,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:33,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:30:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:34,165 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 23:30:34,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:30:34,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939830601] [2024-11-07 23:30:34,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939830601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:30:34,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:30:34,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 23:30:34,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37562023] [2024-11-07 23:30:34,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:30:34,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:30:34,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:30:34,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:30:34,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:30:34,183 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 30 [2024-11-07 23:30:34,183 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 29 transitions, 77 flow. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 23:30:34,184 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:30:34,184 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 30 [2024-11-07 23:30:34,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:30:34,312 INFO L124 PetriNetUnfolderBase]: 68/190 cut-off events. [2024-11-07 23:30:34,312 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-07 23:30:34,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 382 conditions, 190 events. 68/190 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 879 event pairs, 18 based on Foata normal form. 8/159 useless extension candidates. Maximal degree in co-relation 371. Up to 107 conditions per place. [2024-11-07 23:30:34,315 INFO L140 encePairwiseOnDemand]: 23/30 looper letters, 26 selfloop transitions, 7 changer transitions 0/44 dead transitions. [2024-11-07 23:30:34,316 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 44 transitions, 182 flow [2024-11-07 23:30:34,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 23:30:34,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 23:30:34,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 97 transitions. [2024-11-07 23:30:34,318 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6466666666666666 [2024-11-07 23:30:34,318 INFO L175 Difference]: Start difference. First operand has 31 places, 29 transitions, 77 flow. Second operand 5 states and 97 transitions. [2024-11-07 23:30:34,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 44 transitions, 182 flow [2024-11-07 23:30:34,319 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 44 transitions, 178 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 23:30:34,320 INFO L231 Difference]: Finished difference. Result has 37 places, 33 transitions, 120 flow [2024-11-07 23:30:34,320 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=120, PETRI_PLACES=37, PETRI_TRANSITIONS=33} [2024-11-07 23:30:34,321 INFO L277 CegarLoopForPetriNet]: 29 programPoint places, 8 predicate places. [2024-11-07 23:30:34,321 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 33 transitions, 120 flow [2024-11-07 23:30:34,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 23:30:34,321 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:30:34,321 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:30:34,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 23:30:34,322 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-07 23:30:34,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:30:34,322 INFO L85 PathProgramCache]: Analyzing trace with hash -421374207, now seen corresponding path program 1 times [2024-11-07 23:30:34,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:30:34,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131182312] [2024-11-07 23:30:34,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:34,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:30:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:34,467 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 23:30:34,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:30:34,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131182312] [2024-11-07 23:30:34,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131182312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:30:34,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:30:34,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:30:34,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76392418] [2024-11-07 23:30:34,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:30:34,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:30:34,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:30:34,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:30:34,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:30:34,478 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2024-11-07 23:30:34,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 33 transitions, 120 flow. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 23:30:34,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:30:34,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2024-11-07 23:30:34,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:30:34,589 INFO L124 PetriNetUnfolderBase]: 78/216 cut-off events. [2024-11-07 23:30:34,590 INFO L125 PetriNetUnfolderBase]: For 63/64 co-relation queries the response was YES. [2024-11-07 23:30:34,591 INFO L83 FinitePrefix]: Finished finitePrefix Result has 488 conditions, 216 events. 78/216 cut-off events. For 63/64 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1024 event pairs, 23 based on Foata normal form. 13/189 useless extension candidates. Maximal degree in co-relation 473. Up to 97 conditions per place. [2024-11-07 23:30:34,592 INFO L140 encePairwiseOnDemand]: 24/30 looper letters, 32 selfloop transitions, 3 changer transitions 0/49 dead transitions. [2024-11-07 23:30:34,592 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 49 transitions, 242 flow [2024-11-07 23:30:34,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:30:34,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 23:30:34,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 83 transitions. [2024-11-07 23:30:34,594 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6916666666666667 [2024-11-07 23:30:34,594 INFO L175 Difference]: Start difference. First operand has 37 places, 33 transitions, 120 flow. Second operand 4 states and 83 transitions. [2024-11-07 23:30:34,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 49 transitions, 242 flow [2024-11-07 23:30:34,596 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 49 transitions, 238 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 23:30:34,596 INFO L231 Difference]: Finished difference. Result has 41 places, 35 transitions, 140 flow [2024-11-07 23:30:34,597 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=140, PETRI_PLACES=41, PETRI_TRANSITIONS=35} [2024-11-07 23:30:34,599 INFO L277 CegarLoopForPetriNet]: 29 programPoint places, 12 predicate places. [2024-11-07 23:30:34,599 INFO L471 AbstractCegarLoop]: Abstraction has has 41 places, 35 transitions, 140 flow [2024-11-07 23:30:34,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 23:30:34,600 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:30:34,600 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:30:34,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 23:30:34,600 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread_function_dataraceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-07 23:30:34,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:30:34,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1802373294, now seen corresponding path program 1 times [2024-11-07 23:30:34,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:30:34,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002392097] [2024-11-07 23:30:34,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:34,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:30:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:34,713 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 23:30:34,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:30:34,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002392097] [2024-11-07 23:30:34,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002392097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:30:34,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:30:34,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:30:34,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065351514] [2024-11-07 23:30:34,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:30:34,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:30:34,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:30:34,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:30:34,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:30:34,725 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 30 [2024-11-07 23:30:34,725 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 35 transitions, 140 flow. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 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 23:30:34,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:30:34,726 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 30 [2024-11-07 23:30:34,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:30:34,924 INFO L124 PetriNetUnfolderBase]: 138/423 cut-off events. [2024-11-07 23:30:34,924 INFO L125 PetriNetUnfolderBase]: For 253/274 co-relation queries the response was YES. [2024-11-07 23:30:34,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1071 conditions, 423 events. 138/423 cut-off events. For 253/274 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2366 event pairs, 19 based on Foata normal form. 17/382 useless extension candidates. Maximal degree in co-relation 1054. Up to 117 conditions per place. [2024-11-07 23:30:34,934 INFO L140 encePairwiseOnDemand]: 22/30 looper letters, 46 selfloop transitions, 10 changer transitions 0/68 dead transitions. [2024-11-07 23:30:34,934 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 68 transitions, 383 flow [2024-11-07 23:30:34,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 23:30:34,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 23:30:34,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 125 transitions. [2024-11-07 23:30:34,937 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6944444444444444 [2024-11-07 23:30:34,937 INFO L175 Difference]: Start difference. First operand has 41 places, 35 transitions, 140 flow. Second operand 6 states and 125 transitions. [2024-11-07 23:30:34,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 68 transitions, 383 flow [2024-11-07 23:30:34,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 68 transitions, 376 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 23:30:34,943 INFO L231 Difference]: Finished difference. Result has 49 places, 41 transitions, 218 flow [2024-11-07 23:30:34,943 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=218, PETRI_PLACES=49, PETRI_TRANSITIONS=41} [2024-11-07 23:30:34,944 INFO L277 CegarLoopForPetriNet]: 29 programPoint places, 20 predicate places. [2024-11-07 23:30:34,945 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 41 transitions, 218 flow [2024-11-07 23:30:34,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 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 23:30:34,945 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:30:34,945 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:30:34,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 23:30:34,945 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-07 23:30:34,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:30:34,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1996177808, now seen corresponding path program 1 times [2024-11-07 23:30:34,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:30:34,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216204315] [2024-11-07 23:30:34,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:34,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:30:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:35,047 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 23:30:35,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:30:35,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216204315] [2024-11-07 23:30:35,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216204315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:30:35,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:30:35,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:30:35,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171284201] [2024-11-07 23:30:35,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:30:35,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:30:35,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:30:35,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:30:35,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 23:30:35,057 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 30 [2024-11-07 23:30:35,057 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 218 flow. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 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 23:30:35,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:30:35,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 30 [2024-11-07 23:30:35,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:30:35,195 INFO L124 PetriNetUnfolderBase]: 160/515 cut-off events. [2024-11-07 23:30:35,195 INFO L125 PetriNetUnfolderBase]: For 852/867 co-relation queries the response was YES. [2024-11-07 23:30:35,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1489 conditions, 515 events. 160/515 cut-off events. For 852/867 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3086 event pairs, 23 based on Foata normal form. 29/521 useless extension candidates. Maximal degree in co-relation 1467. Up to 239 conditions per place. [2024-11-07 23:30:35,201 INFO L140 encePairwiseOnDemand]: 21/30 looper letters, 41 selfloop transitions, 20 changer transitions 0/73 dead transitions. [2024-11-07 23:30:35,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 73 transitions, 497 flow [2024-11-07 23:30:35,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 23:30:35,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-07 23:30:35,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 136 transitions. [2024-11-07 23:30:35,203 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6476190476190476 [2024-11-07 23:30:35,203 INFO L175 Difference]: Start difference. First operand has 49 places, 41 transitions, 218 flow. Second operand 7 states and 136 transitions. [2024-11-07 23:30:35,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 73 transitions, 497 flow [2024-11-07 23:30:35,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 73 transitions, 485 flow, removed 4 selfloop flow, removed 1 redundant places. [2024-11-07 23:30:35,211 INFO L231 Difference]: Finished difference. Result has 57 places, 53 transitions, 370 flow [2024-11-07 23:30:35,211 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=370, PETRI_PLACES=57, PETRI_TRANSITIONS=53} [2024-11-07 23:30:35,213 INFO L277 CegarLoopForPetriNet]: 29 programPoint places, 28 predicate places. [2024-11-07 23:30:35,213 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 53 transitions, 370 flow [2024-11-07 23:30:35,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 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 23:30:35,213 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:30:35,213 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:30:35,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 23:30:35,214 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread_function_dataraceErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-07 23:30:35,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:30:35,215 INFO L85 PathProgramCache]: Analyzing trace with hash 863913689, now seen corresponding path program 1 times [2024-11-07 23:30:35,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:30:35,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734712019] [2024-11-07 23:30:35,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:35,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:30:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:35,289 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 23:30:35,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:30:35,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734712019] [2024-11-07 23:30:35,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734712019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:30:35,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:30:35,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:30:35,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373942517] [2024-11-07 23:30:35,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:30:35,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:30:35,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:30:35,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:30:35,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:30:35,303 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2024-11-07 23:30:35,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 53 transitions, 370 flow. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 23:30:35,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:30:35,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2024-11-07 23:30:35,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:30:35,443 INFO L124 PetriNetUnfolderBase]: 195/592 cut-off events. [2024-11-07 23:30:35,443 INFO L125 PetriNetUnfolderBase]: For 1746/1850 co-relation queries the response was YES. [2024-11-07 23:30:35,445 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1949 conditions, 592 events. 195/592 cut-off events. For 1746/1850 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3772 event pairs, 55 based on Foata normal form. 46/601 useless extension candidates. Maximal degree in co-relation 1923. Up to 264 conditions per place. [2024-11-07 23:30:35,448 INFO L140 encePairwiseOnDemand]: 24/30 looper letters, 47 selfloop transitions, 3 changer transitions 0/75 dead transitions. [2024-11-07 23:30:35,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 75 transitions, 618 flow [2024-11-07 23:30:35,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:30:35,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 23:30:35,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 85 transitions. [2024-11-07 23:30:35,449 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7083333333333334 [2024-11-07 23:30:35,450 INFO L175 Difference]: Start difference. First operand has 57 places, 53 transitions, 370 flow. Second operand 4 states and 85 transitions. [2024-11-07 23:30:35,450 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 75 transitions, 618 flow [2024-11-07 23:30:35,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 75 transitions, 595 flow, removed 7 selfloop flow, removed 2 redundant places. [2024-11-07 23:30:35,457 INFO L231 Difference]: Finished difference. Result has 60 places, 55 transitions, 374 flow [2024-11-07 23:30:35,457 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=374, PETRI_PLACES=60, PETRI_TRANSITIONS=55} [2024-11-07 23:30:35,458 INFO L277 CegarLoopForPetriNet]: 29 programPoint places, 31 predicate places. [2024-11-07 23:30:35,458 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 55 transitions, 374 flow [2024-11-07 23:30:35,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 23:30:35,458 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:30:35,458 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:30:35,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 23:30:35,459 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-07 23:30:35,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:30:35,459 INFO L85 PathProgramCache]: Analyzing trace with hash -2139062292, now seen corresponding path program 1 times [2024-11-07 23:30:35,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:30:35,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583675545] [2024-11-07 23:30:35,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:35,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:30:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:35,549 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 23:30:35,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:30:35,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583675545] [2024-11-07 23:30:35,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583675545] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:30:35,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:30:35,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:30:35,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700859789] [2024-11-07 23:30:35,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:30:35,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:30:35,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:30:35,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:30:35,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:30:35,563 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 30 [2024-11-07 23:30:35,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 55 transitions, 374 flow. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 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 23:30:35,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:30:35,564 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 30 [2024-11-07 23:30:35,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:30:35,737 INFO L124 PetriNetUnfolderBase]: 152/503 cut-off events. [2024-11-07 23:30:35,738 INFO L125 PetriNetUnfolderBase]: For 1368/1385 co-relation queries the response was YES. [2024-11-07 23:30:35,741 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1720 conditions, 503 events. 152/503 cut-off events. For 1368/1385 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3104 event pairs, 36 based on Foata normal form. 39/529 useless extension candidates. Maximal degree in co-relation 1692. Up to 276 conditions per place. [2024-11-07 23:30:35,745 INFO L140 encePairwiseOnDemand]: 23/30 looper letters, 43 selfloop transitions, 11 changer transitions 0/67 dead transitions. [2024-11-07 23:30:35,745 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 67 transitions, 530 flow [2024-11-07 23:30:35,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 23:30:35,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-07 23:30:35,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 132 transitions. [2024-11-07 23:30:35,746 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.55 [2024-11-07 23:30:35,746 INFO L175 Difference]: Start difference. First operand has 60 places, 55 transitions, 374 flow. Second operand 8 states and 132 transitions. [2024-11-07 23:30:35,746 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 67 transitions, 530 flow [2024-11-07 23:30:35,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 67 transitions, 505 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-07 23:30:35,752 INFO L231 Difference]: Finished difference. Result has 62 places, 51 transitions, 334 flow [2024-11-07 23:30:35,752 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=334, PETRI_PLACES=62, PETRI_TRANSITIONS=51} [2024-11-07 23:30:35,754 INFO L277 CegarLoopForPetriNet]: 29 programPoint places, 33 predicate places. [2024-11-07 23:30:35,754 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 334 flow [2024-11-07 23:30:35,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 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 23:30:35,754 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:30:35,754 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:30:35,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 23:30:35,754 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-07 23:30:35,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:30:35,754 INFO L85 PathProgramCache]: Analyzing trace with hash -790426157, now seen corresponding path program 1 times [2024-11-07 23:30:35,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:30:35,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439154766] [2024-11-07 23:30:35,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:35,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:30:35,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:35,846 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 23:30:35,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:30:35,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439154766] [2024-11-07 23:30:35,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439154766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:30:35,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:30:35,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:30:35,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990362805] [2024-11-07 23:30:35,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:30:35,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:30:35,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:30:35,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:30:35,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:30:35,858 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 30 [2024-11-07 23:30:35,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 334 flow. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 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 23:30:35,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:30:35,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 30 [2024-11-07 23:30:35,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:30:36,023 INFO L124 PetriNetUnfolderBase]: 194/609 cut-off events. [2024-11-07 23:30:36,024 INFO L125 PetriNetUnfolderBase]: For 1459/1503 co-relation queries the response was YES. [2024-11-07 23:30:36,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2070 conditions, 609 events. 194/609 cut-off events. For 1459/1503 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 3736 event pairs, 28 based on Foata normal form. 42/642 useless extension candidates. Maximal degree in co-relation 2043. Up to 254 conditions per place. [2024-11-07 23:30:36,029 INFO L140 encePairwiseOnDemand]: 23/30 looper letters, 53 selfloop transitions, 25 changer transitions 0/91 dead transitions. [2024-11-07 23:30:36,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 91 transitions, 719 flow [2024-11-07 23:30:36,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 23:30:36,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-07 23:30:36,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 182 transitions. [2024-11-07 23:30:36,031 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6066666666666667 [2024-11-07 23:30:36,031 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 334 flow. Second operand 10 states and 182 transitions. [2024-11-07 23:30:36,031 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 91 transitions, 719 flow [2024-11-07 23:30:36,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 91 transitions, 706 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-07 23:30:36,036 INFO L231 Difference]: Finished difference. Result has 70 places, 61 transitions, 499 flow [2024-11-07 23:30:36,036 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=499, PETRI_PLACES=70, PETRI_TRANSITIONS=61} [2024-11-07 23:30:36,037 INFO L277 CegarLoopForPetriNet]: 29 programPoint places, 41 predicate places. [2024-11-07 23:30:36,037 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 61 transitions, 499 flow [2024-11-07 23:30:36,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 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 23:30:36,037 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:30:36,037 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-07 23:30:36,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 23:30:36,037 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-07 23:30:36,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:30:36,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1554354743, now seen corresponding path program 1 times [2024-11-07 23:30:36,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:30:36,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978306904] [2024-11-07 23:30:36,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:36,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:30:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:36,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:30:36,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:30:36,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978306904] [2024-11-07 23:30:36,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978306904] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:30:36,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780680874] [2024-11-07 23:30:36,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:36,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:30:36,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:30:36,137 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:30:36,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 23:30:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:36,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 23:30:36,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:30:36,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:30:36,366 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:30:36,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780680874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:30:36,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:30:36,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-07 23:30:36,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121786781] [2024-11-07 23:30:36,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:30:36,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 23:30:36,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:30:36,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 23:30:36,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:30:36,379 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 30 [2024-11-07 23:30:36,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 61 transitions, 499 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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 23:30:36,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:30:36,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 30 [2024-11-07 23:30:36,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:30:36,524 INFO L124 PetriNetUnfolderBase]: 247/674 cut-off events. [2024-11-07 23:30:36,524 INFO L125 PetriNetUnfolderBase]: For 2772/2858 co-relation queries the response was YES. [2024-11-07 23:30:36,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2624 conditions, 674 events. 247/674 cut-off events. For 2772/2858 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 4159 event pairs, 33 based on Foata normal form. 53/668 useless extension candidates. Maximal degree in co-relation 2594. Up to 279 conditions per place. [2024-11-07 23:30:36,530 INFO L140 encePairwiseOnDemand]: 26/30 looper letters, 48 selfloop transitions, 5 changer transitions 0/78 dead transitions. [2024-11-07 23:30:36,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 78 transitions, 740 flow [2024-11-07 23:30:36,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:30:36,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 23:30:36,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 71 transitions. [2024-11-07 23:30:36,532 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5916666666666667 [2024-11-07 23:30:36,532 INFO L175 Difference]: Start difference. First operand has 70 places, 61 transitions, 499 flow. Second operand 4 states and 71 transitions. [2024-11-07 23:30:36,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 78 transitions, 740 flow [2024-11-07 23:30:36,540 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 78 transitions, 674 flow, removed 21 selfloop flow, removed 5 redundant places. [2024-11-07 23:30:36,542 INFO L231 Difference]: Finished difference. Result has 67 places, 60 transitions, 463 flow [2024-11-07 23:30:36,542 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=453, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=463, PETRI_PLACES=67, PETRI_TRANSITIONS=60} [2024-11-07 23:30:36,543 INFO L277 CegarLoopForPetriNet]: 29 programPoint places, 38 predicate places. [2024-11-07 23:30:36,543 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 60 transitions, 463 flow [2024-11-07 23:30:36,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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 23:30:36,543 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:30:36,543 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-07 23:30:36,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 23:30:36,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:30:36,744 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-07 23:30:36,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:30:36,744 INFO L85 PathProgramCache]: Analyzing trace with hash -940356396, now seen corresponding path program 1 times [2024-11-07 23:30:36,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:30:36,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454266182] [2024-11-07 23:30:36,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:36,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:30:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 23:30:36,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:30:36,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454266182] [2024-11-07 23:30:36,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454266182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:30:36,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:30:36,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:30:36,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575830025] [2024-11-07 23:30:36,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:30:36,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:30:36,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:30:36,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:30:36,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:30:36,834 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 30 [2024-11-07 23:30:36,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 60 transitions, 463 flow. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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 23:30:36,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:30:36,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 30 [2024-11-07 23:30:36,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:30:36,954 INFO L124 PetriNetUnfolderBase]: 230/661 cut-off events. [2024-11-07 23:30:36,955 INFO L125 PetriNetUnfolderBase]: For 2146/2243 co-relation queries the response was YES. [2024-11-07 23:30:36,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2509 conditions, 661 events. 230/661 cut-off events. For 2146/2243 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 4027 event pairs, 23 based on Foata normal form. 66/707 useless extension candidates. Maximal degree in co-relation 2480. Up to 239 conditions per place. [2024-11-07 23:30:36,961 INFO L140 encePairwiseOnDemand]: 25/30 looper letters, 52 selfloop transitions, 6 changer transitions 0/83 dead transitions. [2024-11-07 23:30:36,962 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 83 transitions, 738 flow [2024-11-07 23:30:36,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:30:36,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 23:30:36,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 71 transitions. [2024-11-07 23:30:36,963 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5916666666666667 [2024-11-07 23:30:36,963 INFO L175 Difference]: Start difference. First operand has 67 places, 60 transitions, 463 flow. Second operand 4 states and 71 transitions. [2024-11-07 23:30:36,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 83 transitions, 738 flow [2024-11-07 23:30:36,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 83 transitions, 728 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-07 23:30:36,970 INFO L231 Difference]: Finished difference. Result has 67 places, 60 transitions, 469 flow [2024-11-07 23:30:36,970 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=449, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=469, PETRI_PLACES=67, PETRI_TRANSITIONS=60} [2024-11-07 23:30:36,971 INFO L277 CegarLoopForPetriNet]: 29 programPoint places, 38 predicate places. [2024-11-07 23:30:36,971 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 60 transitions, 469 flow [2024-11-07 23:30:36,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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 23:30:36,971 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:30:36,971 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:30:36,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 23:30:36,972 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-07 23:30:36,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:30:36,972 INFO L85 PathProgramCache]: Analyzing trace with hash 185181774, now seen corresponding path program 1 times [2024-11-07 23:30:36,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:30:36,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175060669] [2024-11-07 23:30:36,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:36,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:30:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:37,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:30:37,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:30:37,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175060669] [2024-11-07 23:30:37,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175060669] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:30:37,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181568170] [2024-11-07 23:30:37,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:37,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:30:37,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:30:37,062 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:30:37,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 23:30:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:37,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 23:30:37,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:30:37,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:30:37,268 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:30:37,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:30:37,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181568170] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:30:37,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:30:37,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-07 23:30:37,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866386045] [2024-11-07 23:30:37,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:30:37,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:30:37,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:30:37,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:30:37,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:30:37,336 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 30 [2024-11-07 23:30:37,337 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 60 transitions, 469 flow. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 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 23:30:37,337 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:30:37,337 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 30 [2024-11-07 23:30:37,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:30:37,708 INFO L124 PetriNetUnfolderBase]: 343/1016 cut-off events. [2024-11-07 23:30:37,708 INFO L125 PetriNetUnfolderBase]: For 5036/5065 co-relation queries the response was YES. [2024-11-07 23:30:37,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4174 conditions, 1016 events. 343/1016 cut-off events. For 5036/5065 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 6270 event pairs, 16 based on Foata normal form. 106/1116 useless extension candidates. Maximal degree in co-relation 4145. Up to 272 conditions per place. [2024-11-07 23:30:37,717 INFO L140 encePairwiseOnDemand]: 23/30 looper letters, 82 selfloop transitions, 71 changer transitions 0/165 dead transitions. [2024-11-07 23:30:37,717 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 165 transitions, 1601 flow [2024-11-07 23:30:37,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-07 23:30:37,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-07 23:30:37,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 399 transitions. [2024-11-07 23:30:37,719 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6045454545454545 [2024-11-07 23:30:37,719 INFO L175 Difference]: Start difference. First operand has 67 places, 60 transitions, 469 flow. Second operand 22 states and 399 transitions. [2024-11-07 23:30:37,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 165 transitions, 1601 flow [2024-11-07 23:30:37,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 165 transitions, 1568 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 23:30:37,729 INFO L231 Difference]: Finished difference. Result has 100 places, 109 transitions, 1265 flow [2024-11-07 23:30:37,729 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=461, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1265, PETRI_PLACES=100, PETRI_TRANSITIONS=109} [2024-11-07 23:30:37,729 INFO L277 CegarLoopForPetriNet]: 29 programPoint places, 71 predicate places. [2024-11-07 23:30:37,730 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 109 transitions, 1265 flow [2024-11-07 23:30:37,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 11 states have internal predecessors, (155), 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 23:30:37,730 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:30:37,730 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:30:37,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-07 23:30:37,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:30:37,931 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-07 23:30:37,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:30:37,931 INFO L85 PathProgramCache]: Analyzing trace with hash 756262837, now seen corresponding path program 1 times [2024-11-07 23:30:37,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:30:37,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233670876] [2024-11-07 23:30:37,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:37,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:30:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:38,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:30:38,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:30:38,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233670876] [2024-11-07 23:30:38,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233670876] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:30:38,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597430108] [2024-11-07 23:30:38,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:38,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:30:38,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:30:38,038 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:30:38,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 23:30:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:38,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 23:30:38,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:30:38,241 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:30:38,241 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:30:38,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:30:38,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597430108] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:30:38,308 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:30:38,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2024-11-07 23:30:38,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880276520] [2024-11-07 23:30:38,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:30:38,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 23:30:38,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:30:38,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 23:30:38,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-07 23:30:38,324 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 30 [2024-11-07 23:30:38,324 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 109 transitions, 1265 flow. Second operand has 14 states, 14 states have (on average 13.857142857142858) internal successors, (194), 14 states have internal predecessors, (194), 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 23:30:38,325 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:30:38,325 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 30 [2024-11-07 23:30:38,325 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:30:39,048 INFO L124 PetriNetUnfolderBase]: 762/2297 cut-off events. [2024-11-07 23:30:39,049 INFO L125 PetriNetUnfolderBase]: For 23782/23905 co-relation queries the response was YES. [2024-11-07 23:30:39,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10440 conditions, 2297 events. 762/2297 cut-off events. For 23782/23905 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 17791 event pairs, 28 based on Foata normal form. 217/2506 useless extension candidates. Maximal degree in co-relation 10395. Up to 560 conditions per place. [2024-11-07 23:30:39,072 INFO L140 encePairwiseOnDemand]: 23/30 looper letters, 169 selfloop transitions, 165 changer transitions 0/346 dead transitions. [2024-11-07 23:30:39,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 346 transitions, 4189 flow [2024-11-07 23:30:39,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-07 23:30:39,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2024-11-07 23:30:39,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 626 transitions. [2024-11-07 23:30:39,076 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6323232323232323 [2024-11-07 23:30:39,076 INFO L175 Difference]: Start difference. First operand has 100 places, 109 transitions, 1265 flow. Second operand 33 states and 626 transitions. [2024-11-07 23:30:39,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 132 places, 346 transitions, 4189 flow [2024-11-07 23:30:39,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 346 transitions, 3624 flow, removed 270 selfloop flow, removed 5 redundant places. [2024-11-07 23:30:39,129 INFO L231 Difference]: Finished difference. Result has 143 places, 219 transitions, 2847 flow [2024-11-07 23:30:39,129 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=1026, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=75, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=2847, PETRI_PLACES=143, PETRI_TRANSITIONS=219} [2024-11-07 23:30:39,130 INFO L277 CegarLoopForPetriNet]: 29 programPoint places, 114 predicate places. [2024-11-07 23:30:39,132 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 219 transitions, 2847 flow [2024-11-07 23:30:39,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.857142857142858) internal successors, (194), 14 states have internal predecessors, (194), 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 23:30:39,132 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:30:39,132 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-07 23:30:39,149 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 23:30:39,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:30:39,337 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread_function_dataraceErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-07 23:30:39,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:30:39,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1718705938, now seen corresponding path program 1 times [2024-11-07 23:30:39,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:30:39,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541913860] [2024-11-07 23:30:39,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:39,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:30:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:39,412 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:30:39,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:30:39,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541913860] [2024-11-07 23:30:39,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541913860] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:30:39,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651913632] [2024-11-07 23:30:39,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:39,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:30:39,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:30:39,415 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:30:39,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 23:30:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:39,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 23:30:39,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:30:39,624 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:30:39,624 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 23:30:39,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651913632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:30:39,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 23:30:39,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-07 23:30:39,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901650951] [2024-11-07 23:30:39,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:30:39,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:30:39,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:30:39,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:30:39,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:30:39,640 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 30 [2024-11-07 23:30:39,640 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 219 transitions, 2847 flow. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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 23:30:39,640 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:30:39,640 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 30 [2024-11-07 23:30:39,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:30:40,098 INFO L124 PetriNetUnfolderBase]: 781/2398 cut-off events. [2024-11-07 23:30:40,098 INFO L125 PetriNetUnfolderBase]: For 34363/34491 co-relation queries the response was YES. [2024-11-07 23:30:40,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11978 conditions, 2398 events. 781/2398 cut-off events. For 34363/34491 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 19236 event pairs, 82 based on Foata normal form. 116/2443 useless extension candidates. Maximal degree in co-relation 11916. Up to 783 conditions per place. [2024-11-07 23:30:40,126 INFO L140 encePairwiseOnDemand]: 26/30 looper letters, 205 selfloop transitions, 5 changer transitions 0/293 dead transitions. [2024-11-07 23:30:40,126 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 293 transitions, 4483 flow [2024-11-07 23:30:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 23:30:40,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 23:30:40,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 115 transitions. [2024-11-07 23:30:40,128 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6388888888888888 [2024-11-07 23:30:40,128 INFO L175 Difference]: Start difference. First operand has 143 places, 219 transitions, 2847 flow. Second operand 6 states and 115 transitions. [2024-11-07 23:30:40,128 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 293 transitions, 4483 flow [2024-11-07 23:30:40,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 293 transitions, 3622 flow, removed 372 selfloop flow, removed 12 redundant places. [2024-11-07 23:30:40,218 INFO L231 Difference]: Finished difference. Result has 135 places, 218 transitions, 2257 flow [2024-11-07 23:30:40,218 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=2247, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=213, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2257, PETRI_PLACES=135, PETRI_TRANSITIONS=218} [2024-11-07 23:30:40,219 INFO L277 CegarLoopForPetriNet]: 29 programPoint places, 106 predicate places. [2024-11-07 23:30:40,219 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 218 transitions, 2257 flow [2024-11-07 23:30:40,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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 23:30:40,219 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:30:40,219 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-07 23:30:40,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 23:30:40,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-07 23:30:40,419 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread_function_dataraceErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-07 23:30:40,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:30:40,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1740276926, now seen corresponding path program 1 times [2024-11-07 23:30:40,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:30:40,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566593857] [2024-11-07 23:30:40,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:40,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:30:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:40,470 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 23:30:40,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:30:40,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566593857] [2024-11-07 23:30:40,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566593857] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:30:40,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:30:40,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 23:30:40,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521438015] [2024-11-07 23:30:40,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:30:40,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:30:40,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:30:40,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:30:40,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:30:40,478 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 30 [2024-11-07 23:30:40,479 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 218 transitions, 2257 flow. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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 23:30:40,479 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:30:40,479 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 30 [2024-11-07 23:30:40,479 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:30:40,906 INFO L124 PetriNetUnfolderBase]: 870/2523 cut-off events. [2024-11-07 23:30:40,906 INFO L125 PetriNetUnfolderBase]: For 30141/30191 co-relation queries the response was YES. [2024-11-07 23:30:40,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11558 conditions, 2523 events. 870/2523 cut-off events. For 30141/30191 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 19737 event pairs, 125 based on Foata normal form. 110/2613 useless extension candidates. Maximal degree in co-relation 11498. Up to 931 conditions per place. [2024-11-07 23:30:40,930 INFO L140 encePairwiseOnDemand]: 25/30 looper letters, 190 selfloop transitions, 6 changer transitions 0/278 dead transitions. [2024-11-07 23:30:40,930 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 278 transitions, 3367 flow [2024-11-07 23:30:40,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:30:40,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 23:30:40,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 73 transitions. [2024-11-07 23:30:40,932 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6083333333333333 [2024-11-07 23:30:40,932 INFO L175 Difference]: Start difference. First operand has 135 places, 218 transitions, 2257 flow. Second operand 4 states and 73 transitions. [2024-11-07 23:30:40,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 278 transitions, 3367 flow [2024-11-07 23:30:40,997 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 278 transitions, 3358 flow, removed 1 selfloop flow, removed 4 redundant places. [2024-11-07 23:30:41,001 INFO L231 Difference]: Finished difference. Result has 134 places, 218 transitions, 2264 flow [2024-11-07 23:30:41,001 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=2244, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=2264, PETRI_PLACES=134, PETRI_TRANSITIONS=218} [2024-11-07 23:30:41,003 INFO L277 CegarLoopForPetriNet]: 29 programPoint places, 105 predicate places. [2024-11-07 23:30:41,003 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 218 transitions, 2264 flow [2024-11-07 23:30:41,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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 23:30:41,003 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:30:41,003 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:30:41,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 23:30:41,003 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-07 23:30:41,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:30:41,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1031168989, now seen corresponding path program 1 times [2024-11-07 23:30:41,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:30:41,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504311689] [2024-11-07 23:30:41,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:41,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:30:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:41,134 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:30:41,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:30:41,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504311689] [2024-11-07 23:30:41,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504311689] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:30:41,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425769102] [2024-11-07 23:30:41,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:41,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:30:41,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:30:41,137 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:30:41,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 23:30:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:41,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 23:30:41,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:30:41,344 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:30:41,344 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:30:41,458 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:30:41,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425769102] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:30:41,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:30:41,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-11-07 23:30:41,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396844034] [2024-11-07 23:30:41,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:30:41,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 23:30:41,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:30:41,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 23:30:41,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2024-11-07 23:30:41,474 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 30 [2024-11-07 23:30:41,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 218 transitions, 2264 flow. Second operand has 19 states, 19 states have (on average 13.789473684210526) internal successors, (262), 19 states have internal predecessors, (262), 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 23:30:41,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:30:41,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 30 [2024-11-07 23:30:41,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:30:43,350 INFO L124 PetriNetUnfolderBase]: 1834/5367 cut-off events. [2024-11-07 23:30:43,350 INFO L125 PetriNetUnfolderBase]: For 137421/137497 co-relation queries the response was YES. [2024-11-07 23:30:43,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25172 conditions, 5367 events. 1834/5367 cut-off events. For 137421/137497 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 45716 event pairs, 18 based on Foata normal form. 520/5879 useless extension candidates. Maximal degree in co-relation 25113. Up to 1216 conditions per place. [2024-11-07 23:30:43,399 INFO L140 encePairwiseOnDemand]: 23/30 looper letters, 294 selfloop transitions, 415 changer transitions 0/720 dead transitions. [2024-11-07 23:30:43,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 720 transitions, 8726 flow [2024-11-07 23:30:43,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-07 23:30:43,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2024-11-07 23:30:43,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 1169 transitions. [2024-11-07 23:30:43,403 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6387978142076502 [2024-11-07 23:30:43,403 INFO L175 Difference]: Start difference. First operand has 134 places, 218 transitions, 2264 flow. Second operand 61 states and 1169 transitions. [2024-11-07 23:30:43,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 720 transitions, 8726 flow [2024-11-07 23:30:43,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 720 transitions, 8611 flow, removed 26 selfloop flow, removed 2 redundant places. [2024-11-07 23:30:43,557 INFO L231 Difference]: Finished difference. Result has 228 places, 478 transitions, 7142 flow [2024-11-07 23:30:43,558 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=2244, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=218, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=184, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=61, PETRI_FLOW=7142, PETRI_PLACES=228, PETRI_TRANSITIONS=478} [2024-11-07 23:30:43,558 INFO L277 CegarLoopForPetriNet]: 29 programPoint places, 199 predicate places. [2024-11-07 23:30:43,558 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 478 transitions, 7142 flow [2024-11-07 23:30:43,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 13.789473684210526) internal successors, (262), 19 states have internal predecessors, (262), 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 23:30:43,559 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:30:43,559 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-07 23:30:43,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 23:30:43,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-07 23:30:43,760 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-07 23:30:43,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:30:43,760 INFO L85 PathProgramCache]: Analyzing trace with hash -636451777, now seen corresponding path program 1 times [2024-11-07 23:30:43,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:30:43,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404816948] [2024-11-07 23:30:43,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:43,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:30:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:44,050 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:30:44,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:30:44,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404816948] [2024-11-07 23:30:44,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404816948] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:30:44,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862598525] [2024-11-07 23:30:44,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:44,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:30:44,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:30:44,053 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:30:44,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 23:30:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:44,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 23:30:44,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:30:44,270 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:30:44,270 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:30:44,503 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:30:44,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862598525] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:30:44,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:30:44,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 28 [2024-11-07 23:30:44,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900496528] [2024-11-07 23:30:44,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:30:44,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-07 23:30:44,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:30:44,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-07 23:30:44,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=630, Unknown=0, NotChecked=0, Total=870 [2024-11-07 23:30:44,532 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 30 [2024-11-07 23:30:44,532 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 478 transitions, 7142 flow. Second operand has 30 states, 30 states have (on average 13.666666666666666) internal successors, (410), 30 states have internal predecessors, (410), 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 23:30:44,532 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:30:44,532 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 30 [2024-11-07 23:30:44,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:30:50,638 INFO L124 PetriNetUnfolderBase]: 6251/18538 cut-off events. [2024-11-07 23:30:50,638 INFO L125 PetriNetUnfolderBase]: For 1645620/1645759 co-relation queries the response was YES. [2024-11-07 23:30:50,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 99739 conditions, 18538 events. 6251/18538 cut-off events. For 1645620/1645759 co-relation queries the response was YES. Maximal size of possible extension queue 358. Compared 192051 event pairs, 24 based on Foata normal form. 1435/19964 useless extension candidates. Maximal degree in co-relation 99642. Up to 4760 conditions per place. [2024-11-07 23:30:50,893 INFO L140 encePairwiseOnDemand]: 23/30 looper letters, 742 selfloop transitions, 1334 changer transitions 0/2087 dead transitions. [2024-11-07 23:30:50,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 2087 transitions, 32446 flow [2024-11-07 23:30:50,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2024-11-07 23:30:50,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2024-11-07 23:30:50,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 2729 transitions. [2024-11-07 23:30:50,903 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6639902676399027 [2024-11-07 23:30:50,904 INFO L175 Difference]: Start difference. First operand has 228 places, 478 transitions, 7142 flow. Second operand 137 states and 2729 transitions. [2024-11-07 23:30:50,904 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 2087 transitions, 32446 flow [2024-11-07 23:30:52,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 2087 transitions, 26757 flow, removed 2815 selfloop flow, removed 9 redundant places. [2024-11-07 23:30:52,435 INFO L231 Difference]: Finished difference. Result has 440 places, 1445 transitions, 22123 flow [2024-11-07 23:30:52,435 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=5703, PETRI_DIFFERENCE_MINUEND_PLACES=219, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=478, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=432, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=137, PETRI_FLOW=22123, PETRI_PLACES=440, PETRI_TRANSITIONS=1445} [2024-11-07 23:30:52,436 INFO L277 CegarLoopForPetriNet]: 29 programPoint places, 411 predicate places. [2024-11-07 23:30:52,436 INFO L471 AbstractCegarLoop]: Abstraction has has 440 places, 1445 transitions, 22123 flow [2024-11-07 23:30:52,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 13.666666666666666) internal successors, (410), 30 states have internal predecessors, (410), 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 23:30:52,436 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:30:52,436 INFO L204 CegarLoopForPetriNet]: trace histogram [11, 11, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:30:52,448 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-07 23:30:52,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-07 23:30:52,637 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-07 23:30:52,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:30:52,637 INFO L85 PathProgramCache]: Analyzing trace with hash -587900895, now seen corresponding path program 2 times [2024-11-07 23:30:52,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:30:52,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482967492] [2024-11-07 23:30:52,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:30:52,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:30:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:30:52,957 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 249 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:30:52,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:30:52,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482967492] [2024-11-07 23:30:52,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482967492] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:30:52,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700121269] [2024-11-07 23:30:52,958 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 23:30:52,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:30:52,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:30:52,959 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:30:52,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-07 23:30:53,105 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 23:30:53,105 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 23:30:53,107 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 23:30:53,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:30:53,181 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 249 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:30:53,181 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:30:53,455 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 249 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:30:53,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700121269] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:30:53,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:30:53,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 33 [2024-11-07 23:30:53,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474939661] [2024-11-07 23:30:53,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:30:53,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-07 23:30:53,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:30:53,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-07 23:30:53,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=433, Invalid=757, Unknown=0, NotChecked=0, Total=1190 [2024-11-07 23:30:53,471 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 30 [2024-11-07 23:30:53,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 440 places, 1445 transitions, 22123 flow. Second operand has 35 states, 35 states have (on average 13.914285714285715) internal successors, (487), 35 states have internal predecessors, (487), 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 23:30:53,472 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:30:53,472 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 30 [2024-11-07 23:30:53,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:31:16,431 INFO L124 PetriNetUnfolderBase]: 19835/57295 cut-off events. [2024-11-07 23:31:16,431 INFO L125 PetriNetUnfolderBase]: For 16885410/16885551 co-relation queries the response was YES. [2024-11-07 23:31:18,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 332871 conditions, 57295 events. 19835/57295 cut-off events. For 16885410/16885551 co-relation queries the response was YES. Maximal size of possible extension queue 1099. Compared 672563 event pairs, 518 based on Foata normal form. 2417/59666 useless extension candidates. Maximal degree in co-relation 332688. Up to 12570 conditions per place. [2024-11-07 23:31:18,693 INFO L140 encePairwiseOnDemand]: 23/30 looper letters, 924 selfloop transitions, 5760 changer transitions 0/6695 dead transitions. [2024-11-07 23:31:18,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 584 places, 6695 transitions, 113318 flow [2024-11-07 23:31:18,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-11-07 23:31:18,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2024-11-07 23:31:18,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 2733 transitions. [2024-11-07 23:31:18,699 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6282758620689655 [2024-11-07 23:31:18,699 INFO L175 Difference]: Start difference. First operand has 440 places, 1445 transitions, 22123 flow. Second operand 145 states and 2733 transitions. [2024-11-07 23:31:18,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 584 places, 6695 transitions, 113318 flow [2024-11-07 23:31:41,777 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 561 places, 6695 transitions, 88894 flow, removed 12087 selfloop flow, removed 23 redundant places. [2024-11-07 23:31:41,843 INFO L231 Difference]: Finished difference. Result has 651 places, 6167 transitions, 92411 flow [2024-11-07 23:31:41,844 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=17837, PETRI_DIFFERENCE_MINUEND_PLACES=417, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1445, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1342, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=145, PETRI_FLOW=92411, PETRI_PLACES=651, PETRI_TRANSITIONS=6167} [2024-11-07 23:31:41,845 INFO L277 CegarLoopForPetriNet]: 29 programPoint places, 622 predicate places. [2024-11-07 23:31:41,845 INFO L471 AbstractCegarLoop]: Abstraction has has 651 places, 6167 transitions, 92411 flow [2024-11-07 23:31:41,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 13.914285714285715) internal successors, (487), 35 states have internal predecessors, (487), 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 23:31:41,845 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:31:41,845 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 9, 9, 9, 9, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-07 23:31:41,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-07 23:31:42,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:31:42,046 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-07 23:31:42,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:31:42,046 INFO L85 PathProgramCache]: Analyzing trace with hash 171217711, now seen corresponding path program 2 times [2024-11-07 23:31:42,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:31:42,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640079853] [2024-11-07 23:31:42,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:31:42,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:31:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:31:42,403 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:31:42,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:31:42,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640079853] [2024-11-07 23:31:42,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640079853] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 23:31:42,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830529669] [2024-11-07 23:31:42,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 23:31:42,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 23:31:42,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:31:42,406 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 23:31:42,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-07 23:31:42,586 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 23:31:42,586 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 23:31:42,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-07 23:31:42,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 23:31:42,697 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:31:42,697 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 23:31:43,084 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 23:31:43,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830529669] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 23:31:43,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 23:31:43,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 39 [2024-11-07 23:31:43,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419573302] [2024-11-07 23:31:43,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 23:31:43,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-07 23:31:43,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:31:43,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-07 23:31:43,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=1144, Unknown=0, NotChecked=0, Total=1640 [2024-11-07 23:31:43,105 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 30 [2024-11-07 23:31:43,106 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 651 places, 6167 transitions, 92411 flow. Second operand has 41 states, 41 states have (on average 13.78048780487805) internal successors, (565), 41 states have internal predecessors, (565), 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 23:31:43,106 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:31:43,106 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 30 [2024-11-07 23:31:43,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand