./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread/reorder_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/reorder_2.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'eaeb1d72262bd1e189945b98598b3acb68c08676109949c39074605b8c62cb69'] 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/reorder_2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eaeb1d72262bd1e189945b98598b3acb68c08676109949c39074605b8c62cb69 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:05:52,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:05:52,950 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-07 11:05:52,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:05:52,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:05:52,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:05:52,977 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:05:52,977 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:05:52,978 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:05:52,978 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:05:52,978 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:05:52,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:05:52,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:05:52,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:05:52,979 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:05:52,979 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:05:52,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:05:52,979 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 11:05:52,979 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:05:52,979 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 11:05:52,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:05:52,979 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:05:52,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:05:52,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:05:52,979 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:05:52,979 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 11:05:52,979 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:05:52,979 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:05:52,980 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:05:52,980 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:05:52,980 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:05:52,980 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:05:52,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:05:52,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:05:52,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:05:52,980 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:05:52,980 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:05:52,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:05:52,982 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:05:52,982 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:05:52,982 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:05:52,982 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:05:52,982 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 ! call(reach_error())) ) 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 -> eaeb1d72262bd1e189945b98598b3acb68c08676109949c39074605b8c62cb69 [2024-11-07 11:05:53,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:05:53,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:05:53,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:05:53,202 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:05:53,202 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:05:53,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/reorder_2.i [2024-11-07 11:05:54,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:05:54,555 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:05:54,555 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/reorder_2.i [2024-11-07 11:05:54,573 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/01a93540d/50c65f2fc22b44cbb7267b8ee3e49afd/FLAG5ebf9ae3f [2024-11-07 11:05:54,862 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/01a93540d/50c65f2fc22b44cbb7267b8ee3e49afd [2024-11-07 11:05:54,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:05:54,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:05:54,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:05:54,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:05:54,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:05:54,868 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:05:54" (1/1) ... [2024-11-07 11:05:54,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@744116ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:05:54, skipping insertion in model container [2024-11-07 11:05:54,869 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:05:54" (1/1) ... [2024-11-07 11:05:54,899 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:05:55,204 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/reorder_2.i[60219,60232] [2024-11-07 11:05:55,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:05:55,216 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:05:55,253 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/reorder_2.i[60219,60232] [2024-11-07 11:05:55,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:05:55,317 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:05:55,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:05:55 WrapperNode [2024-11-07 11:05:55,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:05:55,319 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:05:55,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:05:55,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:05:55,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:05:55" (1/1) ... [2024-11-07 11:05:55,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:05:55" (1/1) ... [2024-11-07 11:05:55,360 INFO L138 Inliner]: procedures = 372, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 120 [2024-11-07 11:05:55,361 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:05:55,362 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:05:55,362 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:05:55,362 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:05:55,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:05:55" (1/1) ... [2024-11-07 11:05:55,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:05:55" (1/1) ... [2024-11-07 11:05:55,374 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:05:55" (1/1) ... [2024-11-07 11:05:55,381 INFO L175 MemorySlicer]: Split 6 memory accesses to 3 slices as follows [2, 2, 2]. 33 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-11-07 11:05:55,385 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:05:55" (1/1) ... [2024-11-07 11:05:55,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:05:55" (1/1) ... [2024-11-07 11:05:55,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:05:55" (1/1) ... [2024-11-07 11:05:55,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:05:55" (1/1) ... [2024-11-07 11:05:55,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:05:55" (1/1) ... [2024-11-07 11:05:55,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:05:55" (1/1) ... [2024-11-07 11:05:55,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:05:55,405 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:05:55,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:05:55,407 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:05:55,408 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:05:55" (1/1) ... [2024-11-07 11:05:55,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:05:55,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:05:55,439 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 11:05:55,442 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 11:05:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-07 11:05:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:05:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:05:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-07 11:05:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:05:55,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:05:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:05:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2024-11-07 11:05:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2024-11-07 11:05:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:05:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:05:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:05:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:05:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2024-11-07 11:05:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2024-11-07 11:05:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:05:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:05:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:05:55,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:05:55,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:05:55,460 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 11:05:55,556 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:05:55,557 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:05:55,705 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 11:05:55,705 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:05:55,848 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:05:55,848 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-07 11:05:55,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:05:55 BoogieIcfgContainer [2024-11-07 11:05:55,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:05:55,850 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:05:55,850 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:05:55,854 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:05:55,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:05:54" (1/3) ... [2024-11-07 11:05:55,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697a67f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:05:55, skipping insertion in model container [2024-11-07 11:05:55,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:05:55" (2/3) ... [2024-11-07 11:05:55,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@697a67f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:05:55, skipping insertion in model container [2024-11-07 11:05:55,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:05:55" (3/3) ... [2024-11-07 11:05:55,855 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_2.i [2024-11-07 11:05:55,864 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:05:55,865 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:05:55,865 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 11:05:55,898 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-07 11:05:55,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 33 transitions, 86 flow [2024-11-07 11:05:55,958 INFO L124 PetriNetUnfolderBase]: 10/72 cut-off events. [2024-11-07 11:05:55,960 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-07 11:05:55,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 72 events. 10/72 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 269 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 38. Up to 7 conditions per place. [2024-11-07 11:05:55,962 INFO L82 GeneralOperation]: Start removeDead. Operand has 33 places, 33 transitions, 86 flow [2024-11-07 11:05:55,964 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 31 transitions, 76 flow [2024-11-07 11:05:55,969 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:05:55,976 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;@4470b78c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:05:55,976 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-07 11:05:55,980 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 11:05:55,981 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-11-07 11:05:55,981 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 11:05:55,981 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 11:05:55,981 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2024-11-07 11:05:55,981 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-07 11:05:55,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:05:55,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1836851023, now seen corresponding path program 1 times [2024-11-07 11:05:55,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:05:55,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124279774] [2024-11-07 11:05:55,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:05:55,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:05:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 11:05:56,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 11:05:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 11:05:56,131 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 11:05:56,132 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 11:05:56,133 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2024-11-07 11:05:56,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2024-11-07 11:05:56,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-07 11:05:56,135 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2024-11-07 11:05:56,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:05:56,136 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-07 11:05:56,138 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-07 11:05:56,138 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-07 11:05:56,162 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-11-07 11:05:56,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 51 transitions, 146 flow [2024-11-07 11:05:56,218 INFO L124 PetriNetUnfolderBase]: 63/259 cut-off events. [2024-11-07 11:05:56,218 INFO L125 PetriNetUnfolderBase]: For 72/79 co-relation queries the response was YES. [2024-11-07 11:05:56,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 348 conditions, 259 events. 63/259 cut-off events. For 72/79 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1328 event pairs, 1 based on Foata normal form. 0/203 useless extension candidates. Maximal degree in co-relation 173. Up to 32 conditions per place. [2024-11-07 11:05:56,220 INFO L82 GeneralOperation]: Start removeDead. Operand has 50 places, 51 transitions, 146 flow [2024-11-07 11:05:56,221 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 51 transitions, 146 flow [2024-11-07 11:05:56,222 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:05:56,225 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;@4470b78c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:05:56,225 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-07 11:05:56,233 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 11:05:56,234 INFO L124 PetriNetUnfolderBase]: 1/49 cut-off events. [2024-11-07 11:05:56,234 INFO L125 PetriNetUnfolderBase]: For 5/6 co-relation queries the response was YES. [2024-11-07 11:05:56,234 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 11:05:56,234 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 2, 1, 1, 1, 1] [2024-11-07 11:05:56,234 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-07 11:05:56,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:05:56,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1430379924, now seen corresponding path program 1 times [2024-11-07 11:05:56,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:05:56,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050765499] [2024-11-07 11:05:56,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:05:56,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:05:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 11:05:56,288 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 11:05:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 11:05:56,311 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 11:05:56,312 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 11:05:56,312 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2024-11-07 11:05:56,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2024-11-07 11:05:56,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-07 11:05:56,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2024-11-07 11:05:56,312 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2024-11-07 11:05:56,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 11:05:56,312 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-07 11:05:56,313 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-07 11:05:56,313 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-11-07 11:05:56,339 INFO L143 ThreadInstanceAdder]: Constructed 12 joinOtherThreadTransitions. [2024-11-07 11:05:56,340 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 67 places, 69 transitions, 210 flow [2024-11-07 11:05:56,441 INFO L124 PetriNetUnfolderBase]: 348/950 cut-off events. [2024-11-07 11:05:56,441 INFO L125 PetriNetUnfolderBase]: For 419/437 co-relation queries the response was YES. [2024-11-07 11:05:56,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1386 conditions, 950 events. 348/950 cut-off events. For 419/437 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 5678 event pairs, 32 based on Foata normal form. 0/778 useless extension candidates. Maximal degree in co-relation 681. Up to 192 conditions per place. [2024-11-07 11:05:56,447 INFO L82 GeneralOperation]: Start removeDead. Operand has 67 places, 69 transitions, 210 flow [2024-11-07 11:05:56,451 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 67 places, 69 transitions, 210 flow [2024-11-07 11:05:56,451 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:05:56,452 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;@4470b78c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:05:56,452 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-07 11:05:56,456 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 11:05:56,456 INFO L124 PetriNetUnfolderBase]: 3/62 cut-off events. [2024-11-07 11:05:56,456 INFO L125 PetriNetUnfolderBase]: For 13/16 co-relation queries the response was YES. [2024-11-07 11:05:56,456 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 11:05:56,457 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:05:56,457 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION === [checkThreadErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-11-07 11:05:56,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:05:56,457 INFO L85 PathProgramCache]: Analyzing trace with hash -896294695, now seen corresponding path program 1 times [2024-11-07 11:05:56,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:05:56,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147318187] [2024-11-07 11:05:56,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:05:56,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:05:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:05:56,604 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 11:05:56,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:05:56,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147318187] [2024-11-07 11:05:56,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147318187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:05:56,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:05:56,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 11:05:56,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773285835] [2024-11-07 11:05:56,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:05:56,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 11:05:56,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:05:56,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 11:05:56,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 11:05:56,657 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 69 [2024-11-07 11:05:56,660 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 69 transitions, 210 flow. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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 11:05:56,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 11:05:56,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 69 [2024-11-07 11:05:56,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand