./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe017_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml', '-i', '../sv-benchmarks/c/pthread-wmm/safe017_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) )\nCHECK( init(main()), LTL(G valid-deref) )\nCHECK( init(main()), LTL(G valid-memtrack) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'b046eb92ec2f4af5c767436762d7e86376926c2222092f8f03ea795d781fd943'] 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/safe017_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b046eb92ec2f4af5c767436762d7e86376926c2222092f8f03ea795d781fd943 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 19:18:32,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 19:18:32,669 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-07 19:18:32,674 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 19:18:32,674 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 19:18:32,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 19:18:32,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 19:18:32,708 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 19:18:32,709 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 19:18:32,709 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 19:18:32,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 19:18:32,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 19:18:32,710 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 19:18:32,710 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 19:18:32,711 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 19:18:32,711 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 19:18:32,711 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 19:18:32,712 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 19:18:32,712 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 19:18:32,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 19:18:32,712 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 19:18:32,712 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 19:18:32,712 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-07 19:18:32,712 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 19:18:32,712 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 19:18:32,712 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 19:18:32,712 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 19:18:32,713 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 19:18:32,713 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 19:18:32,713 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 19:18:32,713 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 19:18:32,713 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 19:18:32,713 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 19:18:32,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:18:32,714 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 19:18:32,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 19:18:32,715 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 19:18:32,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 19:18:32,715 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 19:18:32,715 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 19:18:32,715 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 19:18:32,715 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 19:18:32,715 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> b046eb92ec2f4af5c767436762d7e86376926c2222092f8f03ea795d781fd943 [2024-11-07 19:18:33,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 19:18:33,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 19:18:33,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 19:18:33,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 19:18:33,016 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 19:18:33,017 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe017_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-07 19:18:34,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 19:18:34,651 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 19:18:34,654 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe017_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-07 19:18:34,670 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d69419e16/75ee86dcaacd4b659f5d4bdf7f46ca5e/FLAGe662a3154 [2024-11-07 19:18:34,868 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d69419e16/75ee86dcaacd4b659f5d4bdf7f46ca5e [2024-11-07 19:18:34,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 19:18:34,871 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 19:18:34,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 19:18:34,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 19:18:34,876 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 19:18:34,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:18:34" (1/1) ... [2024-11-07 19:18:34,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d31ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:34, skipping insertion in model container [2024-11-07 19:18:34,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:18:34" (1/1) ... [2024-11-07 19:18:34,925 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 19:18:35,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:18:35,216 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 19:18:35,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:18:35,341 INFO L204 MainTranslator]: Completed translation [2024-11-07 19:18:35,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:35 WrapperNode [2024-11-07 19:18:35,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 19:18:35,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 19:18:35,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 19:18:35,343 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 19:18:35,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:35" (1/1) ... [2024-11-07 19:18:35,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:35" (1/1) ... [2024-11-07 19:18:35,401 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 136 [2024-11-07 19:18:35,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 19:18:35,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 19:18:35,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 19:18:35,406 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 19:18:35,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:35" (1/1) ... [2024-11-07 19:18:35,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:35" (1/1) ... [2024-11-07 19:18:35,423 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:35" (1/1) ... [2024-11-07 19:18:35,444 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 19:18:35,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:35" (1/1) ... [2024-11-07 19:18:35,447 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:35" (1/1) ... [2024-11-07 19:18:35,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:35" (1/1) ... [2024-11-07 19:18:35,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:35" (1/1) ... [2024-11-07 19:18:35,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:35" (1/1) ... [2024-11-07 19:18:35,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:35" (1/1) ... [2024-11-07 19:18:35,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 19:18:35,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 19:18:35,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 19:18:35,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 19:18:35,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:35" (1/1) ... [2024-11-07 19:18:35,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:18:35,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:18:35,505 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 19:18:35,512 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 19:18:35,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-07 19:18:35,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 19:18:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-07 19:18:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-07 19:18:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-07 19:18:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-07 19:18:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-07 19:18:35,531 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-07 19:18:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 19:18:35,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-07 19:18:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 19:18:35,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 19:18:35,533 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 19:18:35,646 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 19:18:35,647 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 19:18:35,922 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 19:18:35,923 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 19:18:36,134 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 19:18:36,134 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 19:18:36,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:18:36 BoogieIcfgContainer [2024-11-07 19:18:36,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 19:18:36,136 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 19:18:36,136 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 19:18:36,180 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 19:18:36,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:18:34" (1/3) ... [2024-11-07 19:18:36,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@200b95f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:18:36, skipping insertion in model container [2024-11-07 19:18:36,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:35" (2/3) ... [2024-11-07 19:18:36,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@200b95f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:18:36, skipping insertion in model container [2024-11-07 19:18:36,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:18:36" (3/3) ... [2024-11-07 19:18:36,185 INFO L112 eAbstractionObserver]: Analyzing ICFG safe017_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-07 19:18:36,197 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 19:18:36,197 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-07 19:18:36,198 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 19:18:36,255 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-07 19:18:36,286 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 43 transitions, 98 flow [2024-11-07 19:18:36,319 INFO L124 PetriNetUnfolderBase]: 2/40 cut-off events. [2024-11-07 19:18:36,322 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 19:18:36,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 40 events. 2/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2024-11-07 19:18:36,326 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 43 transitions, 98 flow [2024-11-07 19:18:36,330 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 40 transitions, 89 flow [2024-11-07 19:18:36,338 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 19:18:36,353 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=None, 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;@7b5d96c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 19:18:36,354 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-07 19:18:36,361 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 19:18:36,361 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-07 19:18:36,361 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 19:18:36,361 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:36,362 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-07 19:18:36,362 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:18:36,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:36,367 INFO L85 PathProgramCache]: Analyzing trace with hash 11842232, now seen corresponding path program 1 times [2024-11-07 19:18:36,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:36,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843099985] [2024-11-07 19:18:36,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:36,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:36,778 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 19:18:36,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:36,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843099985] [2024-11-07 19:18:36,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843099985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:36,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:36,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-07 19:18:36,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340859262] [2024-11-07 19:18:36,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:36,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:18:36,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:36,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:18:36,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:18:36,814 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 43 [2024-11-07 19:18:36,816 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 89 flow. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 19:18:36,816 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:36,816 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 43 [2024-11-07 19:18:36,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:37,207 INFO L124 PetriNetUnfolderBase]: 680/1276 cut-off events. [2024-11-07 19:18:37,208 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-07 19:18:37,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2352 conditions, 1276 events. 680/1276 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 8113 event pairs, 104 based on Foata normal form. 72/1335 useless extension candidates. Maximal degree in co-relation 2341. Up to 844 conditions per place. [2024-11-07 19:18:37,224 INFO L140 encePairwiseOnDemand]: 38/43 looper letters, 33 selfloop transitions, 2 changer transitions 2/52 dead transitions. [2024-11-07 19:18:37,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 52 transitions, 193 flow [2024-11-07 19:18:37,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:18:37,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:18:37,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 96 transitions. [2024-11-07 19:18:37,241 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7441860465116279 [2024-11-07 19:18:37,242 INFO L175 Difference]: Start difference. First operand has 48 places, 40 transitions, 89 flow. Second operand 3 states and 96 transitions. [2024-11-07 19:18:37,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 52 transitions, 193 flow [2024-11-07 19:18:37,248 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 52 transitions, 188 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-07 19:18:37,251 INFO L231 Difference]: Finished difference. Result has 45 places, 35 transitions, 80 flow [2024-11-07 19:18:37,253 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2024-11-07 19:18:37,259 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2024-11-07 19:18:37,259 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 80 flow [2024-11-07 19:18:37,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 19:18:37,261 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:37,261 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:37,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 19:18:37,261 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:18:37,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:37,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1141173135, now seen corresponding path program 1 times [2024-11-07 19:18:37,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:37,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718595680] [2024-11-07 19:18:37,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:37,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:37,403 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 19:18:37,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:37,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718595680] [2024-11-07 19:18:37,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718595680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:37,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:37,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-07 19:18:37,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625087520] [2024-11-07 19:18:37,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:37,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:18:37,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:37,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:18:37,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:18:37,408 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-07 19:18:37,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 80 flow. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 19:18:37,408 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:37,408 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-07 19:18:37,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:37,650 INFO L124 PetriNetUnfolderBase]: 605/1133 cut-off events. [2024-11-07 19:18:37,650 INFO L125 PetriNetUnfolderBase]: For 80/80 co-relation queries the response was YES. [2024-11-07 19:18:37,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2177 conditions, 1133 events. 605/1133 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 6933 event pairs, 605 based on Foata normal form. 36/1130 useless extension candidates. Maximal degree in co-relation 2167. Up to 926 conditions per place. [2024-11-07 19:18:37,660 INFO L140 encePairwiseOnDemand]: 41/43 looper letters, 18 selfloop transitions, 1 changer transitions 1/34 dead transitions. [2024-11-07 19:18:37,661 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 34 transitions, 118 flow [2024-11-07 19:18:37,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:18:37,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:18:37,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2024-11-07 19:18:37,663 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5581395348837209 [2024-11-07 19:18:37,663 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 80 flow. Second operand 3 states and 72 transitions. [2024-11-07 19:18:37,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 34 transitions, 118 flow [2024-11-07 19:18:37,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 34 transitions, 114 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 19:18:37,664 INFO L231 Difference]: Finished difference. Result has 43 places, 33 transitions, 74 flow [2024-11-07 19:18:37,664 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=43, PETRI_TRANSITIONS=33} [2024-11-07 19:18:37,665 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, -5 predicate places. [2024-11-07 19:18:37,665 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 33 transitions, 74 flow [2024-11-07 19:18:37,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 19:18:37,665 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:37,666 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:37,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 19:18:37,667 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:18:37,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:37,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1141174531, now seen corresponding path program 1 times [2024-11-07 19:18:37,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:37,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389451933] [2024-11-07 19:18:37,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:37,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:38,879 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 19:18:38,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:38,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389451933] [2024-11-07 19:18:38,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389451933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:38,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:38,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:18:38,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722700329] [2024-11-07 19:18:38,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:38,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:18:38,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:38,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:18:38,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:18:38,906 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2024-11-07 19:18:38,906 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 33 transitions, 74 flow. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 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 19:18:38,907 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:38,907 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2024-11-07 19:18:38,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:39,894 INFO L124 PetriNetUnfolderBase]: 2216/3594 cut-off events. [2024-11-07 19:18:39,894 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 19:18:39,901 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6931 conditions, 3594 events. 2216/3594 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 22578 event pairs, 295 based on Foata normal form. 0/3503 useless extension candidates. Maximal degree in co-relation 6925. Up to 1815 conditions per place. [2024-11-07 19:18:39,913 INFO L140 encePairwiseOnDemand]: 31/43 looper letters, 41 selfloop transitions, 10 changer transitions 72/133 dead transitions. [2024-11-07 19:18:39,914 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 133 transitions, 528 flow [2024-11-07 19:18:39,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 19:18:39,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-07 19:18:39,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 294 transitions. [2024-11-07 19:18:39,916 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5697674418604651 [2024-11-07 19:18:39,916 INFO L175 Difference]: Start difference. First operand has 43 places, 33 transitions, 74 flow. Second operand 12 states and 294 transitions. [2024-11-07 19:18:39,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 133 transitions, 528 flow [2024-11-07 19:18:39,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 133 transitions, 527 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 19:18:39,921 INFO L231 Difference]: Finished difference. Result has 61 places, 40 transitions, 170 flow [2024-11-07 19:18:39,921 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=170, PETRI_PLACES=61, PETRI_TRANSITIONS=40} [2024-11-07 19:18:39,922 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 13 predicate places. [2024-11-07 19:18:39,922 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 40 transitions, 170 flow [2024-11-07 19:18:39,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 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 19:18:39,922 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:39,922 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:39,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 19:18:39,923 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:18:39,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:39,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1468276514, now seen corresponding path program 1 times [2024-11-07 19:18:39,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:39,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944472826] [2024-11-07 19:18:39,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:39,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:40,856 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 19:18:40,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:40,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944472826] [2024-11-07 19:18:40,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944472826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:40,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:40,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:18:40,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357449619] [2024-11-07 19:18:40,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:40,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:18:40,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:40,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:18:40,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:18:40,870 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 43 [2024-11-07 19:18:40,871 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 40 transitions, 170 flow. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 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 19:18:40,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:40,871 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 43 [2024-11-07 19:18:40,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:41,750 INFO L124 PetriNetUnfolderBase]: 2132/3493 cut-off events. [2024-11-07 19:18:41,751 INFO L125 PetriNetUnfolderBase]: For 6890/6890 co-relation queries the response was YES. [2024-11-07 19:18:41,761 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11827 conditions, 3493 events. 2132/3493 cut-off events. For 6890/6890 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 21311 event pairs, 571 based on Foata normal form. 91/3580 useless extension candidates. Maximal degree in co-relation 11811. Up to 2229 conditions per place. [2024-11-07 19:18:41,779 INFO L140 encePairwiseOnDemand]: 30/43 looper letters, 44 selfloop transitions, 16 changer transitions 55/124 dead transitions. [2024-11-07 19:18:41,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 124 transitions, 814 flow [2024-11-07 19:18:41,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 19:18:41,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-07 19:18:41,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 238 transitions. [2024-11-07 19:18:41,781 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5534883720930233 [2024-11-07 19:18:41,782 INFO L175 Difference]: Start difference. First operand has 61 places, 40 transitions, 170 flow. Second operand 10 states and 238 transitions. [2024-11-07 19:18:41,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 124 transitions, 814 flow [2024-11-07 19:18:41,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 124 transitions, 738 flow, removed 38 selfloop flow, removed 5 redundant places. [2024-11-07 19:18:41,838 INFO L231 Difference]: Finished difference. Result has 64 places, 47 transitions, 274 flow [2024-11-07 19:18:41,838 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=274, PETRI_PLACES=64, PETRI_TRANSITIONS=47} [2024-11-07 19:18:41,839 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 16 predicate places. [2024-11-07 19:18:41,840 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 47 transitions, 274 flow [2024-11-07 19:18:41,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 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 19:18:41,840 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:41,840 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:41,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 19:18:41,841 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:18:41,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:41,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1190111313, now seen corresponding path program 1 times [2024-11-07 19:18:41,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:41,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781261264] [2024-11-07 19:18:41,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:41,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:42,435 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 19:18:42,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:42,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781261264] [2024-11-07 19:18:42,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781261264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:42,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:42,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 19:18:42,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628026194] [2024-11-07 19:18:42,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:42,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:18:42,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:42,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:18:42,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:18:42,455 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2024-11-07 19:18:42,456 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 47 transitions, 274 flow. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 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 19:18:42,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:42,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2024-11-07 19:18:42,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:43,205 INFO L124 PetriNetUnfolderBase]: 2373/4056 cut-off events. [2024-11-07 19:18:43,205 INFO L125 PetriNetUnfolderBase]: For 15110/15170 co-relation queries the response was YES. [2024-11-07 19:18:43,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16818 conditions, 4056 events. 2373/4056 cut-off events. For 15110/15170 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 27143 event pairs, 543 based on Foata normal form. 165/4180 useless extension candidates. Maximal degree in co-relation 16797. Up to 1595 conditions per place. [2024-11-07 19:18:43,242 INFO L140 encePairwiseOnDemand]: 34/43 looper letters, 53 selfloop transitions, 9 changer transitions 33/106 dead transitions. [2024-11-07 19:18:43,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 106 transitions, 836 flow [2024-11-07 19:18:43,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 19:18:43,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-07 19:18:43,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 196 transitions. [2024-11-07 19:18:43,243 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5697674418604651 [2024-11-07 19:18:43,243 INFO L175 Difference]: Start difference. First operand has 64 places, 47 transitions, 274 flow. Second operand 8 states and 196 transitions. [2024-11-07 19:18:43,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 106 transitions, 836 flow [2024-11-07 19:18:43,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 106 transitions, 764 flow, removed 36 selfloop flow, removed 4 redundant places. [2024-11-07 19:18:43,267 INFO L231 Difference]: Finished difference. Result has 67 places, 51 transitions, 329 flow [2024-11-07 19:18:43,267 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=329, PETRI_PLACES=67, PETRI_TRANSITIONS=51} [2024-11-07 19:18:43,268 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 19 predicate places. [2024-11-07 19:18:43,268 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 51 transitions, 329 flow [2024-11-07 19:18:43,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 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 19:18:43,268 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:43,268 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:43,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 19:18:43,269 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:18:43,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:43,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1963849658, now seen corresponding path program 1 times [2024-11-07 19:18:43,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:43,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581759458] [2024-11-07 19:18:43,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:43,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:43,898 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 19:18:43,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:43,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581759458] [2024-11-07 19:18:43,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581759458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:43,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:43,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:18:43,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220243447] [2024-11-07 19:18:43,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:43,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:18:43,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:43,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:18:43,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:18:43,915 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2024-11-07 19:18:43,916 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 51 transitions, 329 flow. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 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 19:18:43,917 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:43,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2024-11-07 19:18:43,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:44,754 INFO L124 PetriNetUnfolderBase]: 2189/3864 cut-off events. [2024-11-07 19:18:44,755 INFO L125 PetriNetUnfolderBase]: For 12521/12541 co-relation queries the response was YES. [2024-11-07 19:18:44,771 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15355 conditions, 3864 events. 2189/3864 cut-off events. For 12521/12541 co-relation queries the response was YES. Maximal size of possible extension queue 214. Compared 25988 event pairs, 439 based on Foata normal form. 137/3992 useless extension candidates. Maximal degree in co-relation 15330. Up to 2042 conditions per place. [2024-11-07 19:18:44,787 INFO L140 encePairwiseOnDemand]: 32/43 looper letters, 49 selfloop transitions, 11 changer transitions 48/119 dead transitions. [2024-11-07 19:18:44,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 119 transitions, 1010 flow [2024-11-07 19:18:44,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 19:18:44,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-07 19:18:44,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 226 transitions. [2024-11-07 19:18:44,789 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5255813953488372 [2024-11-07 19:18:44,789 INFO L175 Difference]: Start difference. First operand has 67 places, 51 transitions, 329 flow. Second operand 10 states and 226 transitions. [2024-11-07 19:18:44,790 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 119 transitions, 1010 flow [2024-11-07 19:18:44,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 119 transitions, 953 flow, removed 20 selfloop flow, removed 5 redundant places. [2024-11-07 19:18:44,834 INFO L231 Difference]: Finished difference. Result has 76 places, 55 transitions, 407 flow [2024-11-07 19:18:44,835 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=407, PETRI_PLACES=76, PETRI_TRANSITIONS=55} [2024-11-07 19:18:44,836 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 28 predicate places. [2024-11-07 19:18:44,836 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 55 transitions, 407 flow [2024-11-07 19:18:44,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 6 states have internal predecessors, (98), 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 19:18:44,836 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:44,836 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:44,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 19:18:44,836 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:18:44,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:44,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1127830320, now seen corresponding path program 1 times [2024-11-07 19:18:44,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:44,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561604131] [2024-11-07 19:18:44,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:44,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:45,254 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 19:18:45,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:45,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561604131] [2024-11-07 19:18:45,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561604131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:45,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:45,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 19:18:45,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263610670] [2024-11-07 19:18:45,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:45,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 19:18:45,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:45,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 19:18:45,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-07 19:18:45,257 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2024-11-07 19:18:45,258 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 55 transitions, 407 flow. Second operand has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 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 19:18:45,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:45,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2024-11-07 19:18:45,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:45,867 INFO L124 PetriNetUnfolderBase]: 1806/3150 cut-off events. [2024-11-07 19:18:45,867 INFO L125 PetriNetUnfolderBase]: For 11667/11844 co-relation queries the response was YES. [2024-11-07 19:18:45,882 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13263 conditions, 3150 events. 1806/3150 cut-off events. For 11667/11844 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 20359 event pairs, 914 based on Foata normal form. 184/3271 useless extension candidates. Maximal degree in co-relation 13232. Up to 2178 conditions per place. [2024-11-07 19:18:45,898 INFO L140 encePairwiseOnDemand]: 34/43 looper letters, 39 selfloop transitions, 13 changer transitions 32/105 dead transitions. [2024-11-07 19:18:45,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 105 transitions, 909 flow [2024-11-07 19:18:45,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 19:18:45,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-07 19:18:45,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 195 transitions. [2024-11-07 19:18:45,900 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5668604651162791 [2024-11-07 19:18:45,900 INFO L175 Difference]: Start difference. First operand has 76 places, 55 transitions, 407 flow. Second operand 8 states and 195 transitions. [2024-11-07 19:18:45,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 105 transitions, 909 flow [2024-11-07 19:18:45,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 105 transitions, 881 flow, removed 12 selfloop flow, removed 5 redundant places. [2024-11-07 19:18:45,927 INFO L231 Difference]: Finished difference. Result has 78 places, 59 transitions, 487 flow [2024-11-07 19:18:45,927 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=391, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=487, PETRI_PLACES=78, PETRI_TRANSITIONS=59} [2024-11-07 19:18:45,927 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 30 predicate places. [2024-11-07 19:18:45,928 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 59 transitions, 487 flow [2024-11-07 19:18:45,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 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 19:18:45,928 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:45,928 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:45,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 19:18:45,928 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:18:45,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:45,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1205174585, now seen corresponding path program 1 times [2024-11-07 19:18:45,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:45,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770105079] [2024-11-07 19:18:45,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:45,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:46,481 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 19:18:46,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:46,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770105079] [2024-11-07 19:18:46,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770105079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:46,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:46,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 19:18:46,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101992016] [2024-11-07 19:18:46,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:46,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 19:18:46,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:46,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 19:18:46,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-07 19:18:46,486 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2024-11-07 19:18:46,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 59 transitions, 487 flow. Second operand has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 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 19:18:46,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:46,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2024-11-07 19:18:46,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:47,087 INFO L124 PetriNetUnfolderBase]: 1910/3377 cut-off events. [2024-11-07 19:18:47,087 INFO L125 PetriNetUnfolderBase]: For 15604/15791 co-relation queries the response was YES. [2024-11-07 19:18:47,106 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14989 conditions, 3377 events. 1910/3377 cut-off events. For 15604/15791 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 22301 event pairs, 693 based on Foata normal form. 240/3574 useless extension candidates. Maximal degree in co-relation 14955. Up to 2214 conditions per place. [2024-11-07 19:18:47,120 INFO L140 encePairwiseOnDemand]: 35/43 looper letters, 51 selfloop transitions, 9 changer transitions 36/117 dead transitions. [2024-11-07 19:18:47,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 117 transitions, 1121 flow [2024-11-07 19:18:47,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 19:18:47,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-07 19:18:47,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 197 transitions. [2024-11-07 19:18:47,122 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5726744186046512 [2024-11-07 19:18:47,122 INFO L175 Difference]: Start difference. First operand has 78 places, 59 transitions, 487 flow. Second operand 8 states and 197 transitions. [2024-11-07 19:18:47,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 117 transitions, 1121 flow [2024-11-07 19:18:47,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 117 transitions, 1065 flow, removed 25 selfloop flow, removed 7 redundant places. [2024-11-07 19:18:47,156 INFO L231 Difference]: Finished difference. Result has 79 places, 63 transitions, 544 flow [2024-11-07 19:18:47,156 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=439, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=544, PETRI_PLACES=79, PETRI_TRANSITIONS=63} [2024-11-07 19:18:47,157 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 31 predicate places. [2024-11-07 19:18:47,157 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 63 transitions, 544 flow [2024-11-07 19:18:47,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 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 19:18:47,158 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:47,158 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:47,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 19:18:47,158 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:18:47,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:47,159 INFO L85 PathProgramCache]: Analyzing trace with hash 17697365, now seen corresponding path program 1 times [2024-11-07 19:18:47,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:47,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205422955] [2024-11-07 19:18:47,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:47,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:48,014 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 19:18:48,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:48,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205422955] [2024-11-07 19:18:48,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205422955] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:48,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:48,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 19:18:48,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292723441] [2024-11-07 19:18:48,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:48,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 19:18:48,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:48,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 19:18:48,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 19:18:48,022 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2024-11-07 19:18:48,023 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 63 transitions, 544 flow. Second operand has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 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 19:18:48,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:48,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2024-11-07 19:18:48,023 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:48,735 INFO L124 PetriNetUnfolderBase]: 2010/3549 cut-off events. [2024-11-07 19:18:48,735 INFO L125 PetriNetUnfolderBase]: For 25680/25819 co-relation queries the response was YES. [2024-11-07 19:18:48,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18573 conditions, 3549 events. 2010/3549 cut-off events. For 25680/25819 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 23385 event pairs, 486 based on Foata normal form. 188/3712 useless extension candidates. Maximal degree in co-relation 18539. Up to 2230 conditions per place. [2024-11-07 19:18:48,767 INFO L140 encePairwiseOnDemand]: 33/43 looper letters, 59 selfloop transitions, 26 changer transitions 49/155 dead transitions. [2024-11-07 19:18:48,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 155 transitions, 1781 flow [2024-11-07 19:18:48,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 19:18:48,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-07 19:18:48,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 264 transitions. [2024-11-07 19:18:48,770 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5581395348837209 [2024-11-07 19:18:48,770 INFO L175 Difference]: Start difference. First operand has 79 places, 63 transitions, 544 flow. Second operand 11 states and 264 transitions. [2024-11-07 19:18:48,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 155 transitions, 1781 flow [2024-11-07 19:18:48,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 155 transitions, 1737 flow, removed 11 selfloop flow, removed 4 redundant places. [2024-11-07 19:18:48,803 INFO L231 Difference]: Finished difference. Result has 90 places, 82 transitions, 909 flow [2024-11-07 19:18:48,804 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=909, PETRI_PLACES=90, PETRI_TRANSITIONS=82} [2024-11-07 19:18:48,804 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 42 predicate places. [2024-11-07 19:18:48,804 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 82 transitions, 909 flow [2024-11-07 19:18:48,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 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 19:18:48,806 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:48,806 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:48,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 19:18:48,806 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:18:48,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:48,807 INFO L85 PathProgramCache]: Analyzing trace with hash 723154124, now seen corresponding path program 1 times [2024-11-07 19:18:48,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:48,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828346252] [2024-11-07 19:18:48,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:48,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:48,926 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 19:18:48,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:48,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828346252] [2024-11-07 19:18:48,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828346252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:48,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:48,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:18:48,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688673102] [2024-11-07 19:18:48,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:48,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:18:48,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:48,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:18:48,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:18:48,937 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2024-11-07 19:18:48,938 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 82 transitions, 909 flow. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 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 19:18:48,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:48,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2024-11-07 19:18:48,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:49,234 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([364] L769-->L776: Formula: (let ((.cse2 (not (= (mod v_~y$w_buff0_used~0_75 256) 0))) (.cse5 (not (= (mod v_~y$r_buff0_thd2~0_30 256) 0))) (.cse3 (not (= (mod v_~y$r_buff1_thd2~0_28 256) 0)))) (let ((.cse1 (and .cse3 (not (= (mod v_~y$w_buff1_used~0_61 256) 0)))) (.cse4 (and .cse5 (not (= (mod v_~y$w_buff0_used~0_76 256) 0)))) (.cse0 (and .cse5 .cse2))) (and (= v_~y$w_buff1_used~0_60 (ite (= (mod (ite (or .cse0 .cse1) 0 v_~y$w_buff1_used~0_61) 256) 0) 0 1)) (= (ite (= (mod (ite (or (and (not (= 0 (mod v_~y$r_buff0_thd2~0_29 256))) .cse2) (and .cse3 (not (= (mod v_~y$w_buff1_used~0_60 256) 0)))) 0 v_~y$r_buff1_thd2~0_28) 256) 0) 0 1) v_~y$r_buff1_thd2~0_27) (= v_~y~0_21 (ite .cse4 v_~y$w_buff0~0_21 (ite .cse1 v_~y$w_buff1~0_16 v_~y~0_22))) (= v_~y$w_buff0_used~0_75 (ite (= (mod (ite .cse4 0 v_~y$w_buff0_used~0_76) 256) 0) 0 1)) (= (ite (= (mod (ite .cse0 0 v_~y$r_buff0_thd2~0_30) 256) 0) 0 1) v_~y$r_buff0_thd2~0_29)))) InVars {~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_28, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_76, ~y$w_buff1~0=v_~y$w_buff1~0_16, ~y$w_buff0~0=v_~y$w_buff0~0_21, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_30, ~y~0=v_~y~0_22, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_61} OutVars{~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_27, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_75, ~y$w_buff1~0=v_~y$w_buff1~0_16, ~y$w_buff0~0=v_~y$w_buff0~0_21, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_29, ~y~0=v_~y~0_21, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_60} AuxVars[] AssignedVars[~y$r_buff1_thd2~0, ~y$w_buff0_used~0, ~y$r_buff0_thd2~0, ~y~0, ~y$w_buff1_used~0][42], [60#true, 30#L776true, 50#true, 87#true, Black: 75#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (or (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= (mod ~y$w_buff1_used~0 256) 0))) (not (= (mod ~y$w_buff0_used~0 256) 0)) (or (not (= (mod ~y$r_buff1_thd0~0 256) 0)) (not (= (mod ~y$r_buff0_thd0~0 256) 0)))) (not (= 2 ~__unbuffered_p2_EAX~0))) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$w_buff1_used~0 256) 0) (= (mod ~y$r_buff1_thd0~0 256) 0) (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff1~0)) (not (= 2 ~__unbuffered_p2_EAX~0))) (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$r_buff0_thd0~0 256) 0) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff0~0)) (not (= 2 ~__unbuffered_p2_EAX~0))) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 73#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (or (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= (mod ~y$w_buff1_used~0 256) 0))) (not (= (mod ~y$w_buff0_used~0 256) 0)) (or (not (= (mod ~y$r_buff1_thd0~0 256) 0)) (not (= (mod ~y$r_buff0_thd0~0 256) 0)))) (not (= 2 ~__unbuffered_p2_EAX~0))) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$w_buff1_used~0 256) 0) (= (mod ~y$r_buff1_thd0~0 256) 0) (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff1~0)) (not (= 2 ~__unbuffered_p2_EAX~0))) (<= (div ~main$tmp_guard1~0 256) 0) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$r_buff0_thd0~0 256) 0) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff0~0)) (not (= 2 ~__unbuffered_p2_EAX~0))) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 63#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (or (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= (mod ~y$w_buff1_used~0 256) 0))) (not (= (mod ~y$w_buff0_used~0 256) 0)) (or (not (= (mod ~y$r_buff1_thd0~0 256) 0)) (not (= (mod ~y$r_buff0_thd0~0 256) 0)))) (not (= 2 ~__unbuffered_p2_EAX~0))) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$w_buff1_used~0 256) 0) (= (mod ~y$r_buff1_thd0~0 256) 0) (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff1~0)) (not (= 2 ~__unbuffered_p2_EAX~0))) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$r_buff0_thd0~0 256) 0) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff0~0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), Black: 132#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (or (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= (mod ~y$w_buff1_used~0 256) 0))) (not (= (mod ~y$w_buff0_used~0 256) 0)) (or (not (= (mod ~y$r_buff1_thd0~0 256) 0)) (not (= (mod ~y$r_buff0_thd0~0 256) 0)))) (not (= 2 ~__unbuffered_p2_EAX~0))) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$w_buff1_used~0 256) 0) (= (mod ~y$r_buff1_thd0~0 256) 0) (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff1~0)) (not (= 2 ~__unbuffered_p2_EAX~0))) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$r_buff0_thd0~0 256) 0) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff0~0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), Black: 62#(= ~x~0 0), Black: 208#(and (= ~y$r_buff0_thd0~0 0) (not (= 2 ~y~0)) (<= (mod ~y$r_buff0_thd2~0 256) 0) (<= 0 (div ~y$r_buff0_thd2~0 256)) (= ~y~0 ~y$w_buff1~0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (= 2 ~y$w_buff0~0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 131#(= ~__unbuffered_p2_EAX~0 0), Black: 199#(not (= (mod ~main$tmp_guard1~0 256) 0)), Black: 210#(and (<= 0 (div ~y$r_buff0_thd0~0 256)) (not (= 2 ~y~0)) (<= (mod ~y$r_buff0_thd0~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (not (= 2 ~y$w_buff1~0)) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 198#(and (<= 0 (div ~y$r_buff0_thd0~0 256)) (not (= 2 ~y~0)) (<= (mod ~y$r_buff0_thd0~0 256) 0) (not (= 2 ~y$w_buff1~0))), Black: 206#(and (<= 0 (div ~y$r_buff0_thd0~0 256)) (not (= 2 ~y~0)) (<= (mod ~y$r_buff0_thd0~0 256) 0) (not (= 2 ~y$w_buff1~0)) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 196#(and (= ~y$r_buff0_thd0~0 0) (not (= 2 ~y~0)) (<= (mod ~y$r_buff0_thd2~0 256) 0) (<= 0 (div ~y$r_buff0_thd2~0 256)) (= ~y~0 ~y$w_buff1~0) (= 2 ~y$w_buff0~0)), 48#true, Black: 202#(and (= ~y$r_buff0_thd0~0 0) (<= 0 ~y$r_buff0_thd2~0) (<= (mod ~y$r_buff0_thd2~0 256) 0) (= ~y~0 0) (= ~y$w_buff0~0 0) (not (= 2 ~y$w_buff1~0))), 19#L759true, Black: 204#(and (= ~y$r_buff0_thd0~0 0) (not (= 2 ~y~0)) (<= (mod ~y$r_buff0_thd2~0 256) 0) (<= 0 (div ~y$r_buff0_thd2~0 256)) (= ~y~0 ~y$w_buff1~0) (= 2 ~y$w_buff0~0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 212#(and (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (not (= (mod ~main$tmp_guard1~0 256) 0))), 59#(= |ULTIMATE.start_main_old_#valid#1| |#valid|), 193#true, Black: 90#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (or (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= (mod ~y$w_buff1_used~0 256) 0))) (not (= (mod ~y$w_buff0_used~0 256) 0)) (or (not (= (mod ~y$r_buff1_thd0~0 256) 0)) (not (= (mod ~y$r_buff0_thd0~0 256) 0)))) (not (= 2 ~__unbuffered_p2_EAX~0))) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$w_buff1_used~0 256) 0) (= (mod ~y$r_buff1_thd0~0 256) 0) (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff1~0)) (not (= 2 ~__unbuffered_p2_EAX~0))) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$r_buff0_thd0~0 256) 0) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff0~0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), Black: 96#(and (= ~y$w_buff1~0 0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (= ~y$w_buff0~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 157#(and (= ~y$w_buff1~0 0) (= ~y$w_buff0~0 0) (= ~y~0 1)), Black: 158#(and (= ~y$w_buff1~0 0) (or (= ~y~0 0) (= ~y~0 1)) (= ~y$w_buff0~0 0)), Black: 89#(and (= ~y$w_buff1~0 0) (= ~y~0 0) (= ~y$w_buff0~0 0)), 52#true, Black: 94#(and (= ~y$w_buff1~0 0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$w_buff0~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), 34#L821true, 227#(and (= ~__unbuffered_cnt~0 0) (<= (mod ~main$tmp_guard0~0 256) 0) (<= 0 ~main$tmp_guard0~0)), 31#L789true, 129#true, Black: 183#(and (= ~y$w_buff1~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (= ~y$r_buff1_thd0~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 113#(= ~x~0 1), Black: 185#(and (= ~y$w_buff1~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (= ~y$r_buff1_thd0~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 114#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (or (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= (mod ~y$w_buff1_used~0 256) 0))) (not (= (mod ~y$w_buff0_used~0 256) 0)) (or (not (= (mod ~y$r_buff1_thd0~0 256) 0)) (not (= (mod ~y$r_buff0_thd0~0 256) 0)))) (not (= 2 ~__unbuffered_p2_EAX~0))) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$w_buff1_used~0 256) 0) (= (mod ~y$r_buff1_thd0~0 256) 0) (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff1~0)) (not (= 2 ~__unbuffered_p2_EAX~0))) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$r_buff0_thd0~0 256) 0) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff0~0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), Black: 176#(and (= ~y$w_buff1~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (= ~y$r_buff1_thd0~0 0))]) [2024-11-07 19:18:49,234 INFO L294 olderBase$Statistics]: this new event has 18 ancestors and is not cut-off event [2024-11-07 19:18:49,235 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is not cut-off event [2024-11-07 19:18:49,235 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is not cut-off event [2024-11-07 19:18:49,235 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is not cut-off event [2024-11-07 19:18:49,243 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([364] L769-->L776: Formula: (let ((.cse2 (not (= (mod v_~y$w_buff0_used~0_75 256) 0))) (.cse5 (not (= (mod v_~y$r_buff0_thd2~0_30 256) 0))) (.cse3 (not (= (mod v_~y$r_buff1_thd2~0_28 256) 0)))) (let ((.cse1 (and .cse3 (not (= (mod v_~y$w_buff1_used~0_61 256) 0)))) (.cse4 (and .cse5 (not (= (mod v_~y$w_buff0_used~0_76 256) 0)))) (.cse0 (and .cse5 .cse2))) (and (= v_~y$w_buff1_used~0_60 (ite (= (mod (ite (or .cse0 .cse1) 0 v_~y$w_buff1_used~0_61) 256) 0) 0 1)) (= (ite (= (mod (ite (or (and (not (= 0 (mod v_~y$r_buff0_thd2~0_29 256))) .cse2) (and .cse3 (not (= (mod v_~y$w_buff1_used~0_60 256) 0)))) 0 v_~y$r_buff1_thd2~0_28) 256) 0) 0 1) v_~y$r_buff1_thd2~0_27) (= v_~y~0_21 (ite .cse4 v_~y$w_buff0~0_21 (ite .cse1 v_~y$w_buff1~0_16 v_~y~0_22))) (= v_~y$w_buff0_used~0_75 (ite (= (mod (ite .cse4 0 v_~y$w_buff0_used~0_76) 256) 0) 0 1)) (= (ite (= (mod (ite .cse0 0 v_~y$r_buff0_thd2~0_30) 256) 0) 0 1) v_~y$r_buff0_thd2~0_29)))) InVars {~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_28, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_76, ~y$w_buff1~0=v_~y$w_buff1~0_16, ~y$w_buff0~0=v_~y$w_buff0~0_21, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_30, ~y~0=v_~y~0_22, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_61} OutVars{~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_27, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_75, ~y$w_buff1~0=v_~y$w_buff1~0_16, ~y$w_buff0~0=v_~y$w_buff0~0_21, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_29, ~y~0=v_~y~0_21, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_60} AuxVars[] AssignedVars[~y$r_buff1_thd2~0, ~y$w_buff0_used~0, ~y$r_buff0_thd2~0, ~y~0, ~y$w_buff1_used~0][41], [60#true, 30#L776true, 50#true, 87#true, Black: 75#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (or (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= (mod ~y$w_buff1_used~0 256) 0))) (not (= (mod ~y$w_buff0_used~0 256) 0)) (or (not (= (mod ~y$r_buff1_thd0~0 256) 0)) (not (= (mod ~y$r_buff0_thd0~0 256) 0)))) (not (= 2 ~__unbuffered_p2_EAX~0))) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$w_buff1_used~0 256) 0) (= (mod ~y$r_buff1_thd0~0 256) 0) (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff1~0)) (not (= 2 ~__unbuffered_p2_EAX~0))) (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$r_buff0_thd0~0 256) 0) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff0~0)) (not (= 2 ~__unbuffered_p2_EAX~0))) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 73#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (or (not (= (mod 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(= (mod ~main$tmp_guard1~0 256) 0))), 34#L821true, 31#L789true, 129#true, Black: 183#(and (= ~y$w_buff1~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (= ~y$r_buff1_thd0~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 113#(= ~x~0 1), Black: 185#(and (= ~y$w_buff1~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (= ~y$r_buff1_thd0~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 114#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (or (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= (mod ~y$w_buff1_used~0 256) 0))) (not (= (mod ~y$w_buff0_used~0 256) 0)) (or (not (= (mod ~y$r_buff1_thd0~0 256) 0)) (not (= (mod ~y$r_buff0_thd0~0 256) 0)))) (not (= 2 ~__unbuffered_p2_EAX~0))) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$w_buff1_used~0 256) 0) (= (mod ~y$r_buff1_thd0~0 256) 0) (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff1~0)) (not (= 2 ~__unbuffered_p2_EAX~0))) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$r_buff0_thd0~0 256) 0) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff0~0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), Black: 176#(and (= ~y$w_buff1~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (= ~y$r_buff1_thd0~0 0))]) [2024-11-07 19:18:49,243 INFO L294 olderBase$Statistics]: this new event has 19 ancestors and is cut-off event [2024-11-07 19:18:49,243 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2024-11-07 19:18:49,243 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2024-11-07 19:18:49,243 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2024-11-07 19:18:49,291 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([364] L769-->L776: Formula: (let ((.cse2 (not (= (mod v_~y$w_buff0_used~0_75 256) 0))) (.cse5 (not (= (mod v_~y$r_buff0_thd2~0_30 256) 0))) (.cse3 (not (= (mod v_~y$r_buff1_thd2~0_28 256) 0)))) (let ((.cse1 (and .cse3 (not (= (mod v_~y$w_buff1_used~0_61 256) 0)))) (.cse4 (and .cse5 (not (= (mod v_~y$w_buff0_used~0_76 256) 0)))) (.cse0 (and .cse5 .cse2))) (and (= v_~y$w_buff1_used~0_60 (ite (= (mod (ite (or .cse0 .cse1) 0 v_~y$w_buff1_used~0_61) 256) 0) 0 1)) (= (ite (= (mod (ite (or (and (not (= 0 (mod v_~y$r_buff0_thd2~0_29 256))) .cse2) (and .cse3 (not (= (mod v_~y$w_buff1_used~0_60 256) 0)))) 0 v_~y$r_buff1_thd2~0_28) 256) 0) 0 1) v_~y$r_buff1_thd2~0_27) (= v_~y~0_21 (ite .cse4 v_~y$w_buff0~0_21 (ite .cse1 v_~y$w_buff1~0_16 v_~y~0_22))) (= v_~y$w_buff0_used~0_75 (ite (= (mod (ite .cse4 0 v_~y$w_buff0_used~0_76) 256) 0) 0 1)) (= (ite (= (mod (ite .cse0 0 v_~y$r_buff0_thd2~0_30) 256) 0) 0 1) v_~y$r_buff0_thd2~0_29)))) InVars {~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_28, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_76, ~y$w_buff1~0=v_~y$w_buff1~0_16, ~y$w_buff0~0=v_~y$w_buff0~0_21, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_30, ~y~0=v_~y~0_22, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_61} OutVars{~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_27, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_75, ~y$w_buff1~0=v_~y$w_buff1~0_16, ~y$w_buff0~0=v_~y$w_buff0~0_21, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_29, ~y~0=v_~y~0_21, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_60} AuxVars[] AssignedVars[~y$r_buff1_thd2~0, ~y$w_buff0_used~0, ~y$r_buff0_thd2~0, ~y~0, ~y$w_buff1_used~0][41], [60#true, 30#L776true, 50#true, 87#true, Black: 75#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (or (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= (mod ~y$w_buff1_used~0 256) 0))) (not (= (mod ~y$w_buff0_used~0 256) 0)) (or (not (= (mod ~y$r_buff1_thd0~0 256) 0)) (not (= (mod ~y$r_buff0_thd0~0 256) 0)))) (not (= 2 ~__unbuffered_p2_EAX~0))) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$w_buff1_used~0 256) 0) (= (mod ~y$r_buff1_thd0~0 256) 0) (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff1~0)) (not (= 2 ~__unbuffered_p2_EAX~0))) (<= (div ~main$tmp_guard1~0 256) 0) (not (= 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~main$tmp_guard1~0 256) 0))), 59#(= |ULTIMATE.start_main_old_#valid#1| |#valid|), 193#true, Black: 90#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (or (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= (mod ~y$w_buff1_used~0 256) 0))) (not (= (mod ~y$w_buff0_used~0 256) 0)) (or (not (= (mod ~y$r_buff1_thd0~0 256) 0)) (not (= (mod ~y$r_buff0_thd0~0 256) 0)))) (not (= 2 ~__unbuffered_p2_EAX~0))) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$w_buff1_used~0 256) 0) (= (mod ~y$r_buff1_thd0~0 256) 0) (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff1~0)) (not (= 2 ~__unbuffered_p2_EAX~0))) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$r_buff0_thd0~0 256) 0) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff0~0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), Black: 96#(and (= ~y$w_buff1~0 0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (= ~y$w_buff0~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 157#(and (= ~y$w_buff1~0 0) (= ~y$w_buff0~0 0) (= ~y~0 1)), Black: 158#(and (= ~y$w_buff1~0 0) (or (= ~y~0 0) (= ~y~0 1)) (= ~y$w_buff0~0 0)), Black: 89#(and (= ~y$w_buff1~0 0) (= ~y~0 0) (= ~y$w_buff0~0 0)), 52#true, Black: 94#(and (= ~y$w_buff1~0 0) (= ~y~0 0) (<= (div ~main$tmp_guard1~0 256) 0) (= ~y$w_buff0~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), 38#P0EXITtrue, 34#L821true, 31#L789true, 129#true, Black: 113#(= ~x~0 1), Black: 183#(and (= ~y$w_buff1~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (= ~y$r_buff1_thd0~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 185#(and (= ~y$w_buff1~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (= ~y$r_buff1_thd0~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 114#(and (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (or (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= (mod ~y$w_buff1_used~0 256) 0))) (not (= (mod ~y$w_buff0_used~0 256) 0)) (or (not (= (mod ~y$r_buff1_thd0~0 256) 0)) (not (= (mod ~y$r_buff0_thd0~0 256) 0)))) (not (= 2 ~__unbuffered_p2_EAX~0))) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$w_buff1_used~0 256) 0) (= (mod ~y$r_buff1_thd0~0 256) 0) (not (= (mod ~y$r_buff0_thd0~0 256) 0)) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff1~0)) (not (= 2 ~__unbuffered_p2_EAX~0))) (or (= (mod ~y$w_buff0_used~0 256) 0) (= (mod ~y$r_buff0_thd0~0 256) 0) (not (= 2 ~x~0)) (not (= 2 ~y$w_buff0~0)) (not (= 2 ~__unbuffered_p2_EAX~0)))), Black: 176#(and (= ~y$w_buff1~0 0) (= ~y$r_buff0_thd0~0 0) (= ~y~0 0) (= ~y$r_buff1_thd0~0 0))]) [2024-11-07 19:18:49,291 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is cut-off event [2024-11-07 19:18:49,291 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2024-11-07 19:18:49,291 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2024-11-07 19:18:49,291 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2024-11-07 19:18:49,584 INFO L124 PetriNetUnfolderBase]: 3640/5741 cut-off events. [2024-11-07 19:18:49,584 INFO L125 PetriNetUnfolderBase]: For 72038/73542 co-relation queries the response was YES. [2024-11-07 19:18:49,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31363 conditions, 5741 events. 3640/5741 cut-off events. For 72038/73542 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 34021 event pairs, 623 based on Foata normal form. 529/5982 useless extension candidates. Maximal degree in co-relation 31322. Up to 3028 conditions per place. [2024-11-07 19:18:49,621 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 82 selfloop transitions, 5 changer transitions 11/121 dead transitions. [2024-11-07 19:18:49,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 121 transitions, 1594 flow [2024-11-07 19:18:49,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:18:49,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 19:18:49,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 104 transitions. [2024-11-07 19:18:49,622 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6046511627906976 [2024-11-07 19:18:49,623 INFO L175 Difference]: Start difference. First operand has 90 places, 82 transitions, 909 flow. Second operand 4 states and 104 transitions. [2024-11-07 19:18:49,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 121 transitions, 1594 flow [2024-11-07 19:18:49,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 121 transitions, 1490 flow, removed 52 selfloop flow, removed 6 redundant places. [2024-11-07 19:18:49,674 INFO L231 Difference]: Finished difference. Result has 83 places, 76 transitions, 768 flow [2024-11-07 19:18:49,674 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=758, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=768, PETRI_PLACES=83, PETRI_TRANSITIONS=76} [2024-11-07 19:18:49,674 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 35 predicate places. [2024-11-07 19:18:49,674 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 76 transitions, 768 flow [2024-11-07 19:18:49,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 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 19:18:49,675 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:49,675 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:49,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 19:18:49,675 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:18:49,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:49,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1664042334, now seen corresponding path program 1 times [2024-11-07 19:18:49,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:49,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662597319] [2024-11-07 19:18:49,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:49,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:49,836 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 19:18:49,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:49,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662597319] [2024-11-07 19:18:49,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662597319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:49,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:49,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 19:18:49,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799839777] [2024-11-07 19:18:49,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:49,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:18:49,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:49,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:18:49,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:18:49,845 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2024-11-07 19:18:49,846 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 76 transitions, 768 flow. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 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 19:18:49,846 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:49,846 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2024-11-07 19:18:49,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:50,685 INFO L124 PetriNetUnfolderBase]: 2957/5180 cut-off events. [2024-11-07 19:18:50,685 INFO L125 PetriNetUnfolderBase]: For 40904/41319 co-relation queries the response was YES. [2024-11-07 19:18:50,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26426 conditions, 5180 events. 2957/5180 cut-off events. For 40904/41319 co-relation queries the response was YES. Maximal size of possible extension queue 336. Compared 36687 event pairs, 968 based on Foata normal form. 149/5054 useless extension candidates. Maximal degree in co-relation 26387. Up to 1884 conditions per place. [2024-11-07 19:18:50,724 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 65 selfloop transitions, 6 changer transitions 45/135 dead transitions. [2024-11-07 19:18:50,724 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 135 transitions, 1576 flow [2024-11-07 19:18:50,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 19:18:50,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-07 19:18:50,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 169 transitions. [2024-11-07 19:18:50,726 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5614617940199336 [2024-11-07 19:18:50,726 INFO L175 Difference]: Start difference. First operand has 83 places, 76 transitions, 768 flow. Second operand 7 states and 169 transitions. [2024-11-07 19:18:50,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 135 transitions, 1576 flow [2024-11-07 19:18:50,764 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 135 transitions, 1574 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 19:18:50,766 INFO L231 Difference]: Finished difference. Result has 92 places, 75 transitions, 781 flow [2024-11-07 19:18:50,766 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=766, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=781, PETRI_PLACES=92, PETRI_TRANSITIONS=75} [2024-11-07 19:18:50,767 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 44 predicate places. [2024-11-07 19:18:50,767 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 75 transitions, 781 flow [2024-11-07 19:18:50,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 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 19:18:50,767 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:50,767 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:50,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 19:18:50,768 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:18:50,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:50,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1529376862, now seen corresponding path program 2 times [2024-11-07 19:18:50,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:50,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280416863] [2024-11-07 19:18:50,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:50,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:50,938 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 19:18:50,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:50,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280416863] [2024-11-07 19:18:50,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280416863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:50,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:50,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:18:50,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706904212] [2024-11-07 19:18:50,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:50,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:18:50,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:50,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:18:50,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:18:50,944 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2024-11-07 19:18:50,946 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 75 transitions, 781 flow. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 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 19:18:50,946 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:50,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2024-11-07 19:18:50,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:51,459 INFO L124 PetriNetUnfolderBase]: 2547/4134 cut-off events. [2024-11-07 19:18:51,459 INFO L125 PetriNetUnfolderBase]: For 44342/44893 co-relation queries the response was YES. [2024-11-07 19:18:51,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21514 conditions, 4134 events. 2547/4134 cut-off events. For 44342/44893 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 23822 event pairs, 375 based on Foata normal form. 374/4283 useless extension candidates. Maximal degree in co-relation 21471. Up to 1246 conditions per place. [2024-11-07 19:18:51,477 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 82 selfloop transitions, 8 changer transitions 7/119 dead transitions. [2024-11-07 19:18:51,477 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 119 transitions, 1430 flow [2024-11-07 19:18:51,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 19:18:51,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 19:18:51,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 132 transitions. [2024-11-07 19:18:51,479 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6139534883720931 [2024-11-07 19:18:51,479 INFO L175 Difference]: Start difference. First operand has 92 places, 75 transitions, 781 flow. Second operand 5 states and 132 transitions. [2024-11-07 19:18:51,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 119 transitions, 1430 flow [2024-11-07 19:18:51,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 119 transitions, 1400 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-07 19:18:51,501 INFO L231 Difference]: Finished difference. Result has 88 places, 75 transitions, 751 flow [2024-11-07 19:18:51,501 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=733, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=751, PETRI_PLACES=88, PETRI_TRANSITIONS=75} [2024-11-07 19:18:51,502 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 40 predicate places. [2024-11-07 19:18:51,502 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 75 transitions, 751 flow [2024-11-07 19:18:51,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 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 19:18:51,502 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:51,502 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:51,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 19:18:51,503 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:18:51,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:51,504 INFO L85 PathProgramCache]: Analyzing trace with hash -307555067, now seen corresponding path program 1 times [2024-11-07 19:18:51,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:51,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833910621] [2024-11-07 19:18:51,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:51,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:51,687 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 19:18:51,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:51,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833910621] [2024-11-07 19:18:51,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833910621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:51,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:51,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:18:51,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549454848] [2024-11-07 19:18:51,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:51,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:18:51,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:51,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:18:51,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:18:51,692 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2024-11-07 19:18:51,693 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 75 transitions, 751 flow. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 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 19:18:51,693 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:51,693 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2024-11-07 19:18:51,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:52,195 INFO L124 PetriNetUnfolderBase]: 1995/3215 cut-off events. [2024-11-07 19:18:52,196 INFO L125 PetriNetUnfolderBase]: For 37370/37846 co-relation queries the response was YES. [2024-11-07 19:18:52,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17835 conditions, 3215 events. 1995/3215 cut-off events. For 37370/37846 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 18236 event pairs, 329 based on Foata normal form. 247/3246 useless extension candidates. Maximal degree in co-relation 17793. Up to 1195 conditions per place. [2024-11-07 19:18:52,213 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 68 selfloop transitions, 11 changer transitions 14/113 dead transitions. [2024-11-07 19:18:52,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 113 transitions, 1281 flow [2024-11-07 19:18:52,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:18:52,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 19:18:52,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 144 transitions. [2024-11-07 19:18:52,216 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5581395348837209 [2024-11-07 19:18:52,216 INFO L175 Difference]: Start difference. First operand has 88 places, 75 transitions, 751 flow. Second operand 6 states and 144 transitions. [2024-11-07 19:18:52,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 113 transitions, 1281 flow [2024-11-07 19:18:52,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 113 transitions, 1180 flow, removed 38 selfloop flow, removed 4 redundant places. [2024-11-07 19:18:52,235 INFO L231 Difference]: Finished difference. Result has 91 places, 70 transitions, 654 flow [2024-11-07 19:18:52,235 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=675, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=654, PETRI_PLACES=91, PETRI_TRANSITIONS=70} [2024-11-07 19:18:52,236 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 43 predicate places. [2024-11-07 19:18:52,236 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 70 transitions, 654 flow [2024-11-07 19:18:52,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 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 19:18:52,236 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:52,237 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:52,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 19:18:52,237 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:18:52,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:52,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1986173737, now seen corresponding path program 1 times [2024-11-07 19:18:52,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:52,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402215154] [2024-11-07 19:18:52,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:52,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:18:53,400 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 19:18:53,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:18:53,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402215154] [2024-11-07 19:18:53,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402215154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:18:53,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:18:53,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 19:18:53,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206545503] [2024-11-07 19:18:53,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:18:53,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 19:18:53,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:18:53,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 19:18:53,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-07 19:18:53,408 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2024-11-07 19:18:53,408 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 70 transitions, 654 flow. Second operand has 10 states, 10 states have (on average 17.7) internal successors, (177), 10 states have internal predecessors, (177), 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 19:18:53,408 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:18:53,408 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2024-11-07 19:18:53,408 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:18:53,919 INFO L124 PetriNetUnfolderBase]: 1464/2943 cut-off events. [2024-11-07 19:18:53,919 INFO L125 PetriNetUnfolderBase]: For 21406/22074 co-relation queries the response was YES. [2024-11-07 19:18:53,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13268 conditions, 2943 events. 1464/2943 cut-off events. For 21406/22074 co-relation queries the response was YES. Maximal size of possible extension queue 304. Compared 21829 event pairs, 283 based on Foata normal form. 123/2788 useless extension candidates. Maximal degree in co-relation 13226. Up to 1171 conditions per place. [2024-11-07 19:18:53,934 INFO L140 encePairwiseOnDemand]: 34/43 looper letters, 36 selfloop transitions, 14 changer transitions 23/102 dead transitions. [2024-11-07 19:18:53,934 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 102 transitions, 1010 flow [2024-11-07 19:18:53,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 19:18:53,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-07 19:18:53,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 182 transitions. [2024-11-07 19:18:53,936 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5290697674418605 [2024-11-07 19:18:53,936 INFO L175 Difference]: Start difference. First operand has 91 places, 70 transitions, 654 flow. Second operand 8 states and 182 transitions. [2024-11-07 19:18:53,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 102 transitions, 1010 flow [2024-11-07 19:18:53,962 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 102 transitions, 872 flow, removed 59 selfloop flow, removed 11 redundant places. [2024-11-07 19:18:53,963 INFO L231 Difference]: Finished difference. Result has 91 places, 66 transitions, 577 flow [2024-11-07 19:18:53,963 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=577, PETRI_PLACES=91, PETRI_TRANSITIONS=66} [2024-11-07 19:18:53,964 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 43 predicate places. [2024-11-07 19:18:53,964 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 66 transitions, 577 flow [2024-11-07 19:18:53,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.7) internal successors, (177), 10 states have internal predecessors, (177), 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 19:18:53,964 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:18:53,964 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:53,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 19:18:53,964 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:18:53,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:18:53,965 INFO L85 PathProgramCache]: Analyzing trace with hash -345371585, now seen corresponding path program 2 times [2024-11-07 19:18:53,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:18:53,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645810870] [2024-11-07 19:18:53,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:18:53,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:18:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 19:18:54,028 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 19:18:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 19:18:54,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 19:18:54,126 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 19:18:54,127 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-07 19:18:54,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-07 19:18:54,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-07 19:18:54,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-07 19:18:54,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-07 19:18:54,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-11-07 19:18:54,129 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-07 19:18:54,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 19:18:54,130 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:18:54,209 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 19:18:54,210 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 19:18:54,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:18:54 BasicIcfg [2024-11-07 19:18:54,214 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 19:18:54,215 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 19:18:54,215 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 19:18:54,215 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 19:18:54,216 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:18:36" (3/4) ... [2024-11-07 19:18:54,219 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 19:18:54,219 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 19:18:54,220 INFO L158 Benchmark]: Toolchain (without parser) took 19348.83ms. Allocated memory was 100.7MB in the beginning and 687.9MB in the end (delta: 587.2MB). Free memory was 75.8MB in the beginning and 493.4MB in the end (delta: -417.6MB). Peak memory consumption was 170.0MB. Max. memory is 16.1GB. [2024-11-07 19:18:54,220 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:18:54,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.98ms. Allocated memory is still 100.7MB. Free memory was 75.6MB in the beginning and 52.6MB in the end (delta: 23.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 19:18:54,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.86ms. Allocated memory is still 100.7MB. Free memory was 52.6MB in the beginning and 50.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:18:54,221 INFO L158 Benchmark]: Boogie Preprocessor took 66.88ms. Allocated memory is still 100.7MB. Free memory was 50.2MB in the beginning and 47.1MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:18:54,221 INFO L158 Benchmark]: RCFGBuilder took 662.91ms. Allocated memory is still 100.7MB. Free memory was 47.1MB in the beginning and 34.0MB in the end (delta: 13.1MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-11-07 19:18:54,221 INFO L158 Benchmark]: TraceAbstraction took 18077.98ms. Allocated memory was 100.7MB in the beginning and 687.9MB in the end (delta: 587.2MB). Free memory was 33.5MB in the beginning and 493.4MB in the end (delta: -459.9MB). Peak memory consumption was 131.4MB. Max. memory is 16.1GB. [2024-11-07 19:18:54,222 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 687.9MB. Free memory was 493.4MB in the beginning and 493.4MB in the end (delta: 71.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:18:54,224 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.98ms. Allocated memory is still 100.7MB. Free memory was 75.6MB in the beginning and 52.6MB in the end (delta: 23.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.86ms. Allocated memory is still 100.7MB. Free memory was 52.6MB in the beginning and 50.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.88ms. Allocated memory is still 100.7MB. Free memory was 50.2MB in the beginning and 47.1MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 662.91ms. Allocated memory is still 100.7MB. Free memory was 47.1MB in the beginning and 34.0MB in the end (delta: 13.1MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * TraceAbstraction took 18077.98ms. Allocated memory was 100.7MB in the beginning and 687.9MB in the end (delta: 587.2MB). Free memory was 33.5MB in the beginning and 493.4MB in the end (delta: -459.9MB). Peak memory consumption was 131.4MB. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 687.9MB. Free memory was 493.4MB in the beginning and 493.4MB in the end (delta: 71.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L712] 0 _Bool main$tmp_guard0; [L713] 0 _Bool main$tmp_guard1; [L715] 0 int x = 0; [L717] 0 int y = 0; [L718] 0 _Bool y$flush_delayed; [L719] 0 int y$mem_tmp; [L720] 0 _Bool y$r_buff0_thd0; [L721] 0 _Bool y$r_buff0_thd1; [L722] 0 _Bool y$r_buff0_thd2; [L723] 0 _Bool y$r_buff0_thd3; [L724] 0 _Bool y$r_buff1_thd0; [L725] 0 _Bool y$r_buff1_thd1; [L726] 0 _Bool y$r_buff1_thd2; [L727] 0 _Bool y$r_buff1_thd3; [L728] 0 _Bool y$read_delayed; [L729] 0 int *y$read_delayed_var; [L730] 0 int y$w_buff0; [L731] 0 _Bool y$w_buff0_used; [L732] 0 int y$w_buff1; [L733] 0 _Bool y$w_buff1_used; [L734] 0 _Bool weak$$choice0; [L735] 0 _Bool weak$$choice2; [L813] 0 pthread_t t2177; [L814] FCALL, FORK 0 pthread_create(&t2177, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2177=-2, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0] [L815] 0 pthread_t t2178; [L816] FCALL, FORK 0 pthread_create(&t2178, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2177=-2, t2178=-1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0] [L817] 0 pthread_t t2179; [L818] FCALL, FORK 0 pthread_create(&t2179, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2177=-2, t2178=-1, t2179=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0] [L739] 1 y$w_buff1 = y$w_buff0 [L740] 1 y$w_buff0 = 2 [L741] 1 y$w_buff1_used = y$w_buff0_used [L742] 1 y$w_buff0_used = (_Bool)1 [L743] CALL 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L743] RET 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L744] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L745] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L746] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L747] 1 y$r_buff1_thd3 = y$r_buff0_thd3 [L748] 1 y$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L751] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L768] 2 x = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L785] 3 __unbuffered_p2_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L771] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L772] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L773] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L774] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L775] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L788] 3 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1] [L791] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L792] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L793] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L794] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L795] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1] [L754] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L755] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L756] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L757] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L758] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L761] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L778] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L798] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L820] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2177=-2, t2178=-1, t2179=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L822] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L822] RET 0 assume_abort_if_not(main$tmp_guard0) [L824] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L825] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L826] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L827] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L828] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2177=-2, t2178=-1, t2179=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L831] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L832] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L833] 0 y$flush_delayed = weak$$choice2 [L834] 0 y$mem_tmp = y [L835] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L836] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L837] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L838] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L839] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L840] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L841] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L842] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 2) [L843] 0 y = y$flush_delayed ? y$mem_tmp : y [L844] 0 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2177=-2, t2178=-1, t2179=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L846] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L17] 0 __assert_fail ("0", "safe017_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 66 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 17.9s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 10.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 706 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 672 mSDsluCounter, 191 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 139 mSDsCounter, 90 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1955 IncrementalHoareTripleChecker+Invalid, 2045 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 90 mSolverCounterUnsat, 52 mSDtfsCounter, 1955 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=909occurred in iteration=9, InterpolantAutomatonStates: 103, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 305 NumberOfCodeBlocks, 305 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 2268 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-07 19:18:54,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/safe017_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b046eb92ec2f4af5c767436762d7e86376926c2222092f8f03ea795d781fd943 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 19:18:56,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 19:18:56,605 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-07 19:18:56,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 19:18:56,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 19:18:56,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 19:18:56,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 19:18:56,669 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 19:18:56,669 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 19:18:56,669 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 19:18:56,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 19:18:56,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 19:18:56,670 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 19:18:56,670 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 19:18:56,670 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 19:18:56,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 19:18:56,670 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 19:18:56,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 19:18:56,670 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 19:18:56,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 19:18:56,671 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 19:18:56,671 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 19:18:56,671 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-07 19:18:56,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 19:18:56,671 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 19:18:56,671 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 19:18:56,671 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 19:18:56,677 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 19:18:56,677 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 19:18:56,677 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 19:18:56,677 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 19:18:56,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 19:18:56,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 19:18:56,678 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 19:18:56,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 19:18:56,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:18:56,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 19:18:56,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 19:18:56,678 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 19:18:56,678 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 19:18:56,678 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 19:18:56,678 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 19:18:56,678 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 19:18:56,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 19:18:56,678 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> b046eb92ec2f4af5c767436762d7e86376926c2222092f8f03ea795d781fd943 [2024-11-07 19:18:56,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 19:18:56,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 19:18:56,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 19:18:56,974 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 19:18:56,974 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 19:18:56,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe017_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-07 19:18:58,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 19:18:58,623 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 19:18:58,626 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe017_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-07 19:18:58,643 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ae752052b/d17f6c09e2ee4cd893ed1937f57fb4bf/FLAG182fc5536 [2024-11-07 19:18:58,665 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ae752052b/d17f6c09e2ee4cd893ed1937f57fb4bf [2024-11-07 19:18:58,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 19:18:58,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 19:18:58,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 19:18:58,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 19:18:58,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 19:18:58,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:18:58" (1/1) ... [2024-11-07 19:18:58,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aed99dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:58, skipping insertion in model container [2024-11-07 19:18:58,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:18:58" (1/1) ... [2024-11-07 19:18:58,725 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 19:18:59,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:18:59,129 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 19:18:59,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:18:59,238 INFO L204 MainTranslator]: Completed translation [2024-11-07 19:18:59,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:59 WrapperNode [2024-11-07 19:18:59,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 19:18:59,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 19:18:59,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 19:18:59,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 19:18:59,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:59" (1/1) ... [2024-11-07 19:18:59,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:59" (1/1) ... [2024-11-07 19:18:59,287 INFO L138 Inliner]: procedures = 176, calls = 41, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 137 [2024-11-07 19:18:59,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 19:18:59,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 19:18:59,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 19:18:59,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 19:18:59,296 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:59" (1/1) ... [2024-11-07 19:18:59,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:59" (1/1) ... [2024-11-07 19:18:59,301 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:59" (1/1) ... [2024-11-07 19:18:59,318 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 19:18:59,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:59" (1/1) ... [2024-11-07 19:18:59,318 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:59" (1/1) ... [2024-11-07 19:18:59,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:59" (1/1) ... [2024-11-07 19:18:59,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:59" (1/1) ... [2024-11-07 19:18:59,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:59" (1/1) ... [2024-11-07 19:18:59,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:59" (1/1) ... [2024-11-07 19:18:59,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 19:18:59,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 19:18:59,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 19:18:59,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 19:18:59,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:59" (1/1) ... [2024-11-07 19:18:59,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:18:59,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:18:59,364 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 19:18:59,367 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 19:18:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-07 19:18:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 19:18:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 19:18:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-07 19:18:59,386 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-07 19:18:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-07 19:18:59,386 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-07 19:18:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-07 19:18:59,386 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-07 19:18:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-07 19:18:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 19:18:59,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 19:18:59,387 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 19:18:59,504 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 19:18:59,505 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 19:18:59,871 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 19:18:59,871 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 19:19:00,086 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 19:19:00,087 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 19:19:00,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:19:00 BoogieIcfgContainer [2024-11-07 19:19:00,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 19:19:00,090 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 19:19:00,090 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 19:19:00,095 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 19:19:00,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:18:58" (1/3) ... [2024-11-07 19:19:00,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f95ba6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:19:00, skipping insertion in model container [2024-11-07 19:19:00,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:18:59" (2/3) ... [2024-11-07 19:19:00,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f95ba6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:19:00, skipping insertion in model container [2024-11-07 19:19:00,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:19:00" (3/3) ... [2024-11-07 19:19:00,099 INFO L112 eAbstractionObserver]: Analyzing ICFG safe017_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-07 19:19:00,135 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 19:19:00,136 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-07 19:19:00,136 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 19:19:00,200 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-07 19:19:00,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 43 transitions, 98 flow [2024-11-07 19:19:00,269 INFO L124 PetriNetUnfolderBase]: 2/40 cut-off events. [2024-11-07 19:19:00,271 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 19:19:00,275 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 40 events. 2/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2024-11-07 19:19:00,275 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 43 transitions, 98 flow [2024-11-07 19:19:00,278 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 40 transitions, 89 flow [2024-11-07 19:19:00,288 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 19:19:00,297 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=None, 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;@40d67f28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 19:19:00,298 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-07 19:19:00,303 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 19:19:00,304 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-07 19:19:00,304 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 19:19:00,305 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:19:00,305 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-07 19:19:00,306 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:19:00,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:19:00,311 INFO L85 PathProgramCache]: Analyzing trace with hash 11903800, now seen corresponding path program 1 times [2024-11-07 19:19:00,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:19:00,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1895086100] [2024-11-07 19:19:00,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:19:00,322 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:00,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:19:00,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:19:00,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-07 19:19:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:19:00,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 19:19:00,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:19:00,464 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 19:19:00,465 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:19:00,465 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:19:00,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1895086100] [2024-11-07 19:19:00,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1895086100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:19:00,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:19:00,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-07 19:19:00,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439526834] [2024-11-07 19:19:00,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:19:00,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:19:00,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:19:00,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:19:00,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:19:00,503 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 43 [2024-11-07 19:19:00,507 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 89 flow. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 19:19:00,507 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:19:00,507 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 43 [2024-11-07 19:19:00,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:19:00,945 INFO L124 PetriNetUnfolderBase]: 680/1276 cut-off events. [2024-11-07 19:19:00,945 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-07 19:19:00,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2352 conditions, 1276 events. 680/1276 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 8113 event pairs, 104 based on Foata normal form. 72/1335 useless extension candidates. Maximal degree in co-relation 2341. Up to 844 conditions per place. [2024-11-07 19:19:00,964 INFO L140 encePairwiseOnDemand]: 38/43 looper letters, 33 selfloop transitions, 2 changer transitions 2/52 dead transitions. [2024-11-07 19:19:00,965 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 52 transitions, 193 flow [2024-11-07 19:19:00,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:19:00,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:19:00,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 96 transitions. [2024-11-07 19:19:00,977 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7441860465116279 [2024-11-07 19:19:00,978 INFO L175 Difference]: Start difference. First operand has 48 places, 40 transitions, 89 flow. Second operand 3 states and 96 transitions. [2024-11-07 19:19:00,978 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 52 transitions, 193 flow [2024-11-07 19:19:00,983 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 52 transitions, 188 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-07 19:19:00,986 INFO L231 Difference]: Finished difference. Result has 45 places, 35 transitions, 80 flow [2024-11-07 19:19:00,988 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2024-11-07 19:19:00,992 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2024-11-07 19:19:00,992 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 80 flow [2024-11-07 19:19:00,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 19:19:00,993 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:19:00,993 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:19:00,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-07 19:19:01,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:01,194 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:19:01,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:19:01,195 INFO L85 PathProgramCache]: Analyzing trace with hash 534475217, now seen corresponding path program 1 times [2024-11-07 19:19:01,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:19:01,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556394328] [2024-11-07 19:19:01,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:19:01,196 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:01,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:19:01,198 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:19:01,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-07 19:19:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:19:01,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 19:19:01,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:19:01,352 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 19:19:01,353 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:19:01,353 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:19:01,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556394328] [2024-11-07 19:19:01,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [556394328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:19:01,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:19:01,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:19:01,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799909795] [2024-11-07 19:19:01,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:19:01,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:19:01,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:19:01,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:19:01,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:19:01,369 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2024-11-07 19:19:01,370 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 80 flow. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 19:19:01,370 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:19:01,370 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2024-11-07 19:19:01,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:19:01,845 INFO L124 PetriNetUnfolderBase]: 1511/2576 cut-off events. [2024-11-07 19:19:01,846 INFO L125 PetriNetUnfolderBase]: For 142/142 co-relation queries the response was YES. [2024-11-07 19:19:01,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5052 conditions, 2576 events. 1511/2576 cut-off events. For 142/142 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 15790 event pairs, 149 based on Foata normal form. 80/2623 useless extension candidates. Maximal degree in co-relation 5042. Up to 1513 conditions per place. [2024-11-07 19:19:01,865 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 41 selfloop transitions, 5 changer transitions 1/58 dead transitions. [2024-11-07 19:19:01,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 58 transitions, 228 flow [2024-11-07 19:19:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:19:01,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 19:19:01,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 105 transitions. [2024-11-07 19:19:01,867 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6104651162790697 [2024-11-07 19:19:01,867 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 80 flow. Second operand 4 states and 105 transitions. [2024-11-07 19:19:01,867 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 58 transitions, 228 flow [2024-11-07 19:19:01,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 58 transitions, 220 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-07 19:19:01,870 INFO L231 Difference]: Finished difference. Result has 47 places, 38 transitions, 110 flow [2024-11-07 19:19:01,870 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=110, PETRI_PLACES=47, PETRI_TRANSITIONS=38} [2024-11-07 19:19:01,871 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, -1 predicate places. [2024-11-07 19:19:01,871 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 110 flow [2024-11-07 19:19:01,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 19:19:01,871 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:19:01,871 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:19:01,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-07 19:19:02,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:02,072 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:19:02,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:19:02,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1440186873, now seen corresponding path program 1 times [2024-11-07 19:19:02,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:19:02,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1078889318] [2024-11-07 19:19:02,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:19:02,074 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:02,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:19:02,076 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:19:02,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-07 19:19:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:19:02,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 19:19:02,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:19:02,214 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 19:19:02,214 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:19:02,214 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:19:02,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1078889318] [2024-11-07 19:19:02,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1078889318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:19:02,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:19:02,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:19:02,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394727472] [2024-11-07 19:19:02,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:19:02,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:19:02,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:19:02,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:19:02,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:19:02,234 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2024-11-07 19:19:02,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 110 flow. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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 19:19:02,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:19:02,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2024-11-07 19:19:02,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:19:02,549 INFO L124 PetriNetUnfolderBase]: 947/1648 cut-off events. [2024-11-07 19:19:02,549 INFO L125 PetriNetUnfolderBase]: For 404/404 co-relation queries the response was YES. [2024-11-07 19:19:02,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3692 conditions, 1648 events. 947/1648 cut-off events. For 404/404 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 8876 event pairs, 75 based on Foata normal form. 68/1690 useless extension candidates. Maximal degree in co-relation 3680. Up to 729 conditions per place. [2024-11-07 19:19:02,558 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 51 selfloop transitions, 8 changer transitions 1/71 dead transitions. [2024-11-07 19:19:02,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 71 transitions, 317 flow [2024-11-07 19:19:02,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 19:19:02,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 19:19:02,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 132 transitions. [2024-11-07 19:19:02,563 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6139534883720931 [2024-11-07 19:19:02,563 INFO L175 Difference]: Start difference. First operand has 47 places, 38 transitions, 110 flow. Second operand 5 states and 132 transitions. [2024-11-07 19:19:02,563 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 71 transitions, 317 flow [2024-11-07 19:19:02,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 71 transitions, 307 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-07 19:19:02,567 INFO L231 Difference]: Finished difference. Result has 51 places, 41 transitions, 150 flow [2024-11-07 19:19:02,567 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=150, PETRI_PLACES=51, PETRI_TRANSITIONS=41} [2024-11-07 19:19:02,569 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 3 predicate places. [2024-11-07 19:19:02,569 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 41 transitions, 150 flow [2024-11-07 19:19:02,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 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 19:19:02,570 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:19:02,570 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:19:02,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-07 19:19:02,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:02,771 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:19:02,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:19:02,771 INFO L85 PathProgramCache]: Analyzing trace with hash 972854546, now seen corresponding path program 1 times [2024-11-07 19:19:02,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:19:02,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1378799694] [2024-11-07 19:19:02,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:19:02,772 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:02,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:19:02,774 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:19:02,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-07 19:19:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:19:02,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 19:19:02,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:19:02,923 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 19:19:02,924 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:19:02,924 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:19:02,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1378799694] [2024-11-07 19:19:02,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1378799694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:19:02,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:19:02,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:19:02,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871006085] [2024-11-07 19:19:02,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:19:02,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:19:02,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:19:02,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:19:02,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:19:02,939 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2024-11-07 19:19:02,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 41 transitions, 150 flow. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 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 19:19:02,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:19:02,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2024-11-07 19:19:02,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:19:03,212 INFO L124 PetriNetUnfolderBase]: 503/864 cut-off events. [2024-11-07 19:19:03,216 INFO L125 PetriNetUnfolderBase]: For 674/674 co-relation queries the response was YES. [2024-11-07 19:19:03,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2222 conditions, 864 events. 503/864 cut-off events. For 674/674 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 3757 event pairs, 61 based on Foata normal form. 36/874 useless extension candidates. Maximal degree in co-relation 2208. Up to 268 conditions per place. [2024-11-07 19:19:03,222 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 45 selfloop transitions, 11 changer transitions 1/68 dead transitions. [2024-11-07 19:19:03,222 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 68 transitions, 328 flow [2024-11-07 19:19:03,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:19:03,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 19:19:03,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 143 transitions. [2024-11-07 19:19:03,225 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5542635658914729 [2024-11-07 19:19:03,226 INFO L175 Difference]: Start difference. First operand has 51 places, 41 transitions, 150 flow. Second operand 6 states and 143 transitions. [2024-11-07 19:19:03,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 68 transitions, 328 flow [2024-11-07 19:19:03,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 68 transitions, 303 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-11-07 19:19:03,235 INFO L231 Difference]: Finished difference. Result has 54 places, 41 transitions, 164 flow [2024-11-07 19:19:03,235 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=164, PETRI_PLACES=54, PETRI_TRANSITIONS=41} [2024-11-07 19:19:03,236 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 6 predicate places. [2024-11-07 19:19:03,236 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 41 transitions, 164 flow [2024-11-07 19:19:03,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 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 19:19:03,237 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:19:03,237 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:19:03,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-07 19:19:03,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:03,437 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:19:03,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:19:03,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1607410151, now seen corresponding path program 1 times [2024-11-07 19:19:03,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:19:03,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [482602840] [2024-11-07 19:19:03,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:19:03,439 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:03,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:19:03,441 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:19:03,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-07 19:19:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:19:03,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 19:19:03,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:19:03,603 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 19:19:03,603 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:19:03,603 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:19:03,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [482602840] [2024-11-07 19:19:03,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [482602840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:19:03,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:19:03,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-07 19:19:03,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629082677] [2024-11-07 19:19:03,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:19:03,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:19:03,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:19:03,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:19:03,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:19:03,604 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-07 19:19:03,605 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 41 transitions, 164 flow. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 19:19:03,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:19:03,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-07 19:19:03,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:19:03,686 INFO L124 PetriNetUnfolderBase]: 261/543 cut-off events. [2024-11-07 19:19:03,686 INFO L125 PetriNetUnfolderBase]: For 164/169 co-relation queries the response was YES. [2024-11-07 19:19:03,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1178 conditions, 543 events. 261/543 cut-off events. For 164/169 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2593 event pairs, 251 based on Foata normal form. 8/497 useless extension candidates. Maximal degree in co-relation 1163. Up to 426 conditions per place. [2024-11-07 19:19:03,690 INFO L140 encePairwiseOnDemand]: 41/43 looper letters, 18 selfloop transitions, 1 changer transitions 1/40 dead transitions. [2024-11-07 19:19:03,690 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 40 transitions, 202 flow [2024-11-07 19:19:03,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:19:03,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-07 19:19:03,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2024-11-07 19:19:03,692 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5581395348837209 [2024-11-07 19:19:03,692 INFO L175 Difference]: Start difference. First operand has 54 places, 41 transitions, 164 flow. Second operand 3 states and 72 transitions. [2024-11-07 19:19:03,692 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 40 transitions, 202 flow [2024-11-07 19:19:03,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 40 transitions, 146 flow, removed 10 selfloop flow, removed 8 redundant places. [2024-11-07 19:19:03,695 INFO L231 Difference]: Finished difference. Result has 47 places, 39 transitions, 106 flow [2024-11-07 19:19:03,695 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=47, PETRI_TRANSITIONS=39} [2024-11-07 19:19:03,695 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, -1 predicate places. [2024-11-07 19:19:03,696 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 39 transitions, 106 flow [2024-11-07 19:19:03,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 19:19:03,696 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:19:03,696 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:19:03,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-07 19:19:03,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:03,897 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:19:03,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:19:03,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1581314033, now seen corresponding path program 1 times [2024-11-07 19:19:03,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:19:03,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1158238024] [2024-11-07 19:19:03,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:19:03,898 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:03,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:19:03,900 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:19:03,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-07 19:19:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:19:04,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-07 19:19:04,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:19:04,495 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 19:19:04,496 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:19:04,496 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:19:04,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1158238024] [2024-11-07 19:19:04,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1158238024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:19:04,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:19:04,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 19:19:04,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564036598] [2024-11-07 19:19:04,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:19:04,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 19:19:04,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:19:04,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 19:19:04,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-07 19:19:04,515 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-07 19:19:04,516 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 39 transitions, 106 flow. Second operand has 11 states, 11 states have (on average 18.545454545454547) internal successors, (204), 11 states have internal predecessors, (204), 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 19:19:04,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:19:04,517 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-07 19:19:04,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:19:04,871 INFO L124 PetriNetUnfolderBase]: 461/894 cut-off events. [2024-11-07 19:19:04,871 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 19:19:04,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1746 conditions, 894 events. 461/894 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4588 event pairs, 187 based on Foata normal form. 8/841 useless extension candidates. Maximal degree in co-relation 1739. Up to 379 conditions per place. [2024-11-07 19:19:04,876 INFO L140 encePairwiseOnDemand]: 35/43 looper letters, 31 selfloop transitions, 6 changer transitions 10/66 dead transitions. [2024-11-07 19:19:04,876 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 66 transitions, 258 flow [2024-11-07 19:19:04,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 19:19:04,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-07 19:19:04,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 167 transitions. [2024-11-07 19:19:04,878 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5548172757475083 [2024-11-07 19:19:04,878 INFO L175 Difference]: Start difference. First operand has 47 places, 39 transitions, 106 flow. Second operand 7 states and 167 transitions. [2024-11-07 19:19:04,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 66 transitions, 258 flow [2024-11-07 19:19:04,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 66 transitions, 257 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 19:19:04,880 INFO L231 Difference]: Finished difference. Result has 55 places, 42 transitions, 141 flow [2024-11-07 19:19:04,880 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=141, PETRI_PLACES=55, PETRI_TRANSITIONS=42} [2024-11-07 19:19:04,882 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 7 predicate places. [2024-11-07 19:19:04,882 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 42 transitions, 141 flow [2024-11-07 19:19:04,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 18.545454545454547) internal successors, (204), 11 states have internal predecessors, (204), 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 19:19:04,883 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:19:04,883 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:19:04,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-07 19:19:05,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:05,084 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:19:05,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:19:05,084 INFO L85 PathProgramCache]: Analyzing trace with hash -539593083, now seen corresponding path program 2 times [2024-11-07 19:19:05,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:19:05,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087525202] [2024-11-07 19:19:05,085 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 19:19:05,085 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:05,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:19:05,087 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:19:05,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-07 19:19:05,174 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 19:19:05,175 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:19:05,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 19:19:05,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:19:05,230 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 19:19:05,231 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:19:05,231 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:19:05,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2087525202] [2024-11-07 19:19:05,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2087525202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:19:05,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:19:05,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:19:05,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859593140] [2024-11-07 19:19:05,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:19:05,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:19:05,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:19:05,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:19:05,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:19:05,241 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2024-11-07 19:19:05,242 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 42 transitions, 141 flow. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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 19:19:05,242 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:19:05,242 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2024-11-07 19:19:05,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:19:05,497 INFO L124 PetriNetUnfolderBase]: 927/1709 cut-off events. [2024-11-07 19:19:05,497 INFO L125 PetriNetUnfolderBase]: For 384/419 co-relation queries the response was YES. [2024-11-07 19:19:05,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3843 conditions, 1709 events. 927/1709 cut-off events. For 384/419 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 9954 event pairs, 379 based on Foata normal form. 10/1587 useless extension candidates. Maximal degree in co-relation 3831. Up to 761 conditions per place. [2024-11-07 19:19:05,521 INFO L140 encePairwiseOnDemand]: 38/43 looper letters, 30 selfloop transitions, 2 changer transitions 14/65 dead transitions. [2024-11-07 19:19:05,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 65 transitions, 296 flow [2024-11-07 19:19:05,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 19:19:05,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-07 19:19:05,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 124 transitions. [2024-11-07 19:19:05,523 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5767441860465117 [2024-11-07 19:19:05,523 INFO L175 Difference]: Start difference. First operand has 55 places, 42 transitions, 141 flow. Second operand 5 states and 124 transitions. [2024-11-07 19:19:05,523 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 65 transitions, 296 flow [2024-11-07 19:19:05,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 65 transitions, 285 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-07 19:19:05,529 INFO L231 Difference]: Finished difference. Result has 56 places, 42 transitions, 145 flow [2024-11-07 19:19:05,530 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=145, PETRI_PLACES=56, PETRI_TRANSITIONS=42} [2024-11-07 19:19:05,530 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 8 predicate places. [2024-11-07 19:19:05,530 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 42 transitions, 145 flow [2024-11-07 19:19:05,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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 19:19:05,530 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:19:05,531 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:19:05,536 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-07 19:19:05,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:05,732 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:19:05,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:19:05,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1396081471, now seen corresponding path program 3 times [2024-11-07 19:19:05,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:19:05,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [560880468] [2024-11-07 19:19:05,733 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 19:19:05,733 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:05,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:19:05,737 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:19:05,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-07 19:19:05,822 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-07 19:19:05,822 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:19:05,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 19:19:05,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:19:05,887 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 19:19:05,887 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:19:05,887 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:19:05,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [560880468] [2024-11-07 19:19:05,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [560880468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:19:05,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:19:05,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 19:19:05,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130807266] [2024-11-07 19:19:05,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:19:05,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:19:05,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:19:05,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:19:05,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:19:05,898 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 43 [2024-11-07 19:19:05,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 42 transitions, 145 flow. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 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 19:19:05,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:19:05,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 43 [2024-11-07 19:19:05,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:19:06,145 INFO L124 PetriNetUnfolderBase]: 838/1584 cut-off events. [2024-11-07 19:19:06,146 INFO L125 PetriNetUnfolderBase]: For 318/320 co-relation queries the response was YES. [2024-11-07 19:19:06,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3651 conditions, 1584 events. 838/1584 cut-off events. For 318/320 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 9133 event pairs, 279 based on Foata normal form. 9/1520 useless extension candidates. Maximal degree in co-relation 3638. Up to 618 conditions per place. [2024-11-07 19:19:06,155 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 31 selfloop transitions, 3 changer transitions 17/69 dead transitions. [2024-11-07 19:19:06,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 69 transitions, 322 flow [2024-11-07 19:19:06,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:19:06,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-07 19:19:06,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 139 transitions. [2024-11-07 19:19:06,157 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5387596899224806 [2024-11-07 19:19:06,157 INFO L175 Difference]: Start difference. First operand has 56 places, 42 transitions, 145 flow. Second operand 6 states and 139 transitions. [2024-11-07 19:19:06,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 69 transitions, 322 flow [2024-11-07 19:19:06,160 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 69 transitions, 306 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-07 19:19:06,161 INFO L231 Difference]: Finished difference. Result has 58 places, 41 transitions, 145 flow [2024-11-07 19:19:06,161 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=145, PETRI_PLACES=58, PETRI_TRANSITIONS=41} [2024-11-07 19:19:06,161 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 10 predicate places. [2024-11-07 19:19:06,161 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 41 transitions, 145 flow [2024-11-07 19:19:06,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 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 19:19:06,162 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:19:06,162 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:19:06,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-07 19:19:06,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:06,366 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:19:06,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:19:06,367 INFO L85 PathProgramCache]: Analyzing trace with hash 423343689, now seen corresponding path program 4 times [2024-11-07 19:19:06,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:19:06,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718370178] [2024-11-07 19:19:06,367 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-07 19:19:06,368 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:06,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:19:06,370 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:19:06,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-07 19:19:06,450 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-07 19:19:06,451 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:19:06,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-07 19:19:06,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:19:06,668 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 19:19:06,668 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:19:06,669 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:19:06,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718370178] [2024-11-07 19:19:06,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718370178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:19:06,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:19:06,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 19:19:06,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928577945] [2024-11-07 19:19:06,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:19:06,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 19:19:06,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:19:06,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 19:19:06,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 19:19:06,679 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-11-07 19:19:06,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 41 transitions, 145 flow. Second operand has 8 states, 8 states have (on average 19.125) internal successors, (153), 8 states have internal predecessors, (153), 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 19:19:06,680 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:19:06,680 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-11-07 19:19:06,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:19:06,983 INFO L124 PetriNetUnfolderBase]: 706/1421 cut-off events. [2024-11-07 19:19:06,984 INFO L125 PetriNetUnfolderBase]: For 210/210 co-relation queries the response was YES. [2024-11-07 19:19:06,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3071 conditions, 1421 events. 706/1421 cut-off events. For 210/210 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 8373 event pairs, 373 based on Foata normal form. 8/1358 useless extension candidates. Maximal degree in co-relation 3057. Up to 448 conditions per place. [2024-11-07 19:19:06,991 INFO L140 encePairwiseOnDemand]: 34/43 looper letters, 37 selfloop transitions, 5 changer transitions 18/79 dead transitions. [2024-11-07 19:19:06,991 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 79 transitions, 373 flow [2024-11-07 19:19:06,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 19:19:06,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-07 19:19:06,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 179 transitions. [2024-11-07 19:19:06,993 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5946843853820598 [2024-11-07 19:19:06,993 INFO L175 Difference]: Start difference. First operand has 58 places, 41 transitions, 145 flow. Second operand 7 states and 179 transitions. [2024-11-07 19:19:06,993 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 79 transitions, 373 flow [2024-11-07 19:19:06,995 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 79 transitions, 351 flow, removed 8 selfloop flow, removed 5 redundant places. [2024-11-07 19:19:06,996 INFO L231 Difference]: Finished difference. Result has 61 places, 42 transitions, 157 flow [2024-11-07 19:19:06,996 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=133, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=157, PETRI_PLACES=61, PETRI_TRANSITIONS=42} [2024-11-07 19:19:06,997 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 13 predicate places. [2024-11-07 19:19:06,997 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 42 transitions, 157 flow [2024-11-07 19:19:06,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.125) internal successors, (153), 8 states have internal predecessors, (153), 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 19:19:06,997 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:19:06,997 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:19:07,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-07 19:19:07,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:07,198 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:19:07,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:19:07,198 INFO L85 PathProgramCache]: Analyzing trace with hash -641210505, now seen corresponding path program 5 times [2024-11-07 19:19:07,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:19:07,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1475717726] [2024-11-07 19:19:07,199 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-07 19:19:07,199 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:07,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:19:07,201 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:19:07,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-07 19:19:07,294 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 19:19:07,294 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:19:07,299 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 19:19:07,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:19:07,465 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 19:19:07,466 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:19:07,466 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 19:19:07,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1475717726] [2024-11-07 19:19:07,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1475717726] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:19:07,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:19:07,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 19:19:07,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900674337] [2024-11-07 19:19:07,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:19:07,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:19:07,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 19:19:07,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:19:07,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:19:07,477 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 43 [2024-11-07 19:19:07,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 42 transitions, 157 flow. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 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 19:19:07,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 19:19:07,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 43 [2024-11-07 19:19:07,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 19:19:07,760 INFO L124 PetriNetUnfolderBase]: 860/1674 cut-off events. [2024-11-07 19:19:07,760 INFO L125 PetriNetUnfolderBase]: For 501/508 co-relation queries the response was YES. [2024-11-07 19:19:07,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3883 conditions, 1674 events. 860/1674 cut-off events. For 501/508 co-relation queries the response was YES. Maximal size of possible extension queue 134. Compared 9908 event pairs, 424 based on Foata normal form. 17/1622 useless extension candidates. Maximal degree in co-relation 3868. Up to 698 conditions per place. [2024-11-07 19:19:07,770 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 28 selfloop transitions, 2 changer transitions 31/78 dead transitions. [2024-11-07 19:19:07,770 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 78 transitions, 405 flow [2024-11-07 19:19:07,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 19:19:07,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-07 19:19:07,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 159 transitions. [2024-11-07 19:19:07,771 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5282392026578073 [2024-11-07 19:19:07,772 INFO L175 Difference]: Start difference. First operand has 61 places, 42 transitions, 157 flow. Second operand 7 states and 159 transitions. [2024-11-07 19:19:07,772 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 78 transitions, 405 flow [2024-11-07 19:19:07,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 78 transitions, 362 flow, removed 11 selfloop flow, removed 7 redundant places. [2024-11-07 19:19:07,779 INFO L231 Difference]: Finished difference. Result has 60 places, 42 transitions, 149 flow [2024-11-07 19:19:07,780 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=149, PETRI_PLACES=60, PETRI_TRANSITIONS=42} [2024-11-07 19:19:07,780 INFO L277 CegarLoopForPetriNet]: 48 programPoint places, 12 predicate places. [2024-11-07 19:19:07,780 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 42 transitions, 149 flow [2024-11-07 19:19:07,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 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 19:19:07,780 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 19:19:07,780 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:19:07,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-07 19:19:07,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:07,981 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-07 19:19:07,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:19:07,982 INFO L85 PathProgramCache]: Analyzing trace with hash 891788257, now seen corresponding path program 6 times [2024-11-07 19:19:07,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 19:19:07,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [551950492] [2024-11-07 19:19:07,982 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-07 19:19:07,982 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:07,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 19:19:07,986 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 19:19:07,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-07 19:19:08,077 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-07 19:19:08,077 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-07 19:19:08,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 19:19:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 19:19:08,192 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-07 19:19:08,192 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 19:19:08,193 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-07 19:19:08,194 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-07 19:19:08,194 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-07 19:19:08,194 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-07 19:19:08,194 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-07 19:19:08,195 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-11-07 19:19:08,195 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-07 19:19:08,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-07 19:19:08,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 19:19:08,401 INFO L407 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1, 1] [2024-11-07 19:19:08,474 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 19:19:08,474 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 19:19:08,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:19:08 BasicIcfg [2024-11-07 19:19:08,482 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 19:19:08,483 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 19:19:08,483 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 19:19:08,483 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 19:19:08,484 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:19:00" (3/4) ... [2024-11-07 19:19:08,485 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 19:19:08,486 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 19:19:08,487 INFO L158 Benchmark]: Toolchain (without parser) took 9818.04ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 91.9MB in the beginning and 155.6MB in the end (delta: -63.7MB). Peak memory consumption was 118.0MB. Max. memory is 16.1GB. [2024-11-07 19:19:08,487 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:19:08,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.93ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 68.4MB in the end (delta: 23.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-07 19:19:08,488 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.12ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 66.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:19:08,488 INFO L158 Benchmark]: Boogie Preprocessor took 47.20ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 63.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:19:08,488 INFO L158 Benchmark]: RCFGBuilder took 752.08ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 42.9MB in the end (delta: 20.3MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-11-07 19:19:08,489 INFO L158 Benchmark]: TraceAbstraction took 8391.87ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 41.9MB in the beginning and 155.7MB in the end (delta: -113.8MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. [2024-11-07 19:19:08,489 INFO L158 Benchmark]: Witness Printer took 3.50ms. Allocated memory is still 302.0MB. Free memory was 155.7MB in the beginning and 155.6MB in the end (delta: 76.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:19:08,491 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 567.93ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 68.4MB in the end (delta: 23.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.12ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 66.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.20ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 63.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 752.08ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 42.9MB in the end (delta: 20.3MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * TraceAbstraction took 8391.87ms. Allocated memory was 117.4MB in the beginning and 302.0MB in the end (delta: 184.5MB). Free memory was 41.9MB in the beginning and 155.7MB in the end (delta: -113.8MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. * Witness Printer took 3.50ms. Allocated memory is still 302.0MB. Free memory was 155.7MB in the beginning and 155.6MB in the end (delta: 76.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L712] 0 _Bool main$tmp_guard0; [L713] 0 _Bool main$tmp_guard1; [L715] 0 int x = 0; [L717] 0 int y = 0; [L718] 0 _Bool y$flush_delayed; [L719] 0 int y$mem_tmp; [L720] 0 _Bool y$r_buff0_thd0; [L721] 0 _Bool y$r_buff0_thd1; [L722] 0 _Bool y$r_buff0_thd2; [L723] 0 _Bool y$r_buff0_thd3; [L724] 0 _Bool y$r_buff1_thd0; [L725] 0 _Bool y$r_buff1_thd1; [L726] 0 _Bool y$r_buff1_thd2; [L727] 0 _Bool y$r_buff1_thd3; [L728] 0 _Bool y$read_delayed; [L729] 0 int *y$read_delayed_var; [L730] 0 int y$w_buff0; [L731] 0 _Bool y$w_buff0_used; [L732] 0 int y$w_buff1; [L733] 0 _Bool y$w_buff1_used; [L734] 0 _Bool weak$$choice0; [L735] 0 _Bool weak$$choice2; [L813] 0 pthread_t t2177; [L814] FCALL, FORK 0 pthread_create(&t2177, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2177=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0] [L739] 1 y$w_buff1 = y$w_buff0 [L740] 1 y$w_buff0 = 2 [L741] 1 y$w_buff1_used = y$w_buff0_used [L742] 1 y$w_buff0_used = (_Bool)1 [L743] CALL 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L743] RET 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L744] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L745] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L746] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L747] 1 y$r_buff1_thd3 = y$r_buff0_thd3 [L748] 1 y$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L815] 0 pthread_t t2178; [L816] FCALL, FORK 0 pthread_create(&t2178, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2177=0, t2178=1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L817] 0 pthread_t t2179; [L751] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L768] 2 x = 2 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L818] FCALL, FORK 0 pthread_create(&t2179, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t2177=0, t2178=1, t2179=2, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L785] 3 __unbuffered_p2_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L788] 3 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1] [L754] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L755] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L756] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L757] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L758] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L771] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L772] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L773] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L774] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L775] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L791] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L792] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L793] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L794] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L795] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L761] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L778] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L798] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L820] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2177=0, t2178=1, t2179=2, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L822] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L822] RET 0 assume_abort_if_not(main$tmp_guard0) [L824] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L825] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L826] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L827] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L828] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2177=0, t2178=1, t2179=2, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L831] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L832] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L833] 0 y$flush_delayed = weak$$choice2 [L834] 0 y$mem_tmp = y [L835] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L836] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L837] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L838] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L839] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L840] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L841] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L842] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 2) [L843] 0 y = y$flush_delayed ? y$mem_tmp : y [L844] 0 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2177=0, t2178=1, t2179=2, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L846] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L17] 0 __assert_fail ("0", "safe017_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 811]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 66 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.2s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 381 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 340 mSDsluCounter, 143 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 121 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1333 IncrementalHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 22 mSDtfsCounter, 1333 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 245 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=164occurred in iteration=4, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 265 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 997 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1086 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-07 19:19:08,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample