./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce9ccd4-6217-48ff-85ed-220852f4581d/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce9ccd4-6217-48ff-85ed-220852f4581d/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce9ccd4-6217-48ff-85ed-220852f4581d/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce9ccd4-6217-48ff-85ed-220852f4581d/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce9ccd4-6217-48ff-85ed-220852f4581d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce9ccd4-6217-48ff-85ed-220852f4581d/bin/uautomizer-verify-aQ6SnzHsRB --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 e136f4ab00a1c93eb400bb9f2a21b2887cfec20e18dff1c5960bc25f16f1bcad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:32:48,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:32:48,571 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce9ccd4-6217-48ff-85ed-220852f4581d/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-28 04:32:48,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:32:48,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:32:48,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:32:48,623 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:32:48,624 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:32:48,625 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:32:48,625 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:32:48,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:32:48,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:32:48,627 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:32:48,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:32:48,627 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:32:48,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:32:48,627 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:32:48,627 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:32:48,628 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:32:48,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:32:48,628 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 04:32:48,628 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 04:32:48,628 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 04:32:48,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:32:48,629 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:32:48,629 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:32:48,629 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:32:48,629 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:32:48,629 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:32:48,629 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:32:48,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:32:48,630 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:32:48,630 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:32:48,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:32:48,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:32:48,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:32:48,631 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:32:48,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:32:48,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:32:48,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:32:48,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:32:48,632 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:32:48,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:32:48,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:32:48,632 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:32:48,632 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:32:48,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:32:48,632 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce9ccd4-6217-48ff-85ed-220852f4581d/bin/uautomizer-verify-aQ6SnzHsRB 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 -> e136f4ab00a1c93eb400bb9f2a21b2887cfec20e18dff1c5960bc25f16f1bcad [2024-11-28 04:32:48,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:32:48,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:32:48,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:32:48,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:32:48,971 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:32:48,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce9ccd4-6217-48ff-85ed-220852f4581d/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-28 04:32:51,860 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce9ccd4-6217-48ff-85ed-220852f4581d/bin/uautomizer-verify-aQ6SnzHsRB/data/417d0756b/aa0b6c76ed9649b493157e710acd09e8/FLAG3eabdf2d5 [2024-11-28 04:32:52,256 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:32:52,257 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce9ccd4-6217-48ff-85ed-220852f4581d/sv-benchmarks/c/pthread-wmm/safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-28 04:32:52,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce9ccd4-6217-48ff-85ed-220852f4581d/bin/uautomizer-verify-aQ6SnzHsRB/data/417d0756b/aa0b6c76ed9649b493157e710acd09e8/FLAG3eabdf2d5 [2024-11-28 04:32:52,440 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce9ccd4-6217-48ff-85ed-220852f4581d/bin/uautomizer-verify-aQ6SnzHsRB/data/417d0756b/aa0b6c76ed9649b493157e710acd09e8 [2024-11-28 04:32:52,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:32:52,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:32:52,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:32:52,445 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:32:52,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:32:52,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:52" (1/1) ... [2024-11-28 04:32:52,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5feb4fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:52, skipping insertion in model container [2024-11-28 04:32:52,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:32:52" (1/1) ... [2024-11-28 04:32:52,490 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:32:52,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:32:52,964 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:32:53,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:32:53,072 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:32:53,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:53 WrapperNode [2024-11-28 04:32:53,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:32:53,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:32:53,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:32:53,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:32:53,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:53" (1/1) ... [2024-11-28 04:32:53,103 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:53" (1/1) ... [2024-11-28 04:32:53,131 INFO L138 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2024-11-28 04:32:53,131 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:32:53,132 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:32:53,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:32:53,133 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:32:53,141 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:53" (1/1) ... [2024-11-28 04:32:53,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:53" (1/1) ... [2024-11-28 04:32:53,144 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:53" (1/1) ... [2024-11-28 04:32:53,157 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]. [2024-11-28 04:32:53,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:53" (1/1) ... [2024-11-28 04:32:53,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:53" (1/1) ... [2024-11-28 04:32:53,162 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:53" (1/1) ... [2024-11-28 04:32:53,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:53" (1/1) ... [2024-11-28 04:32:53,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:53" (1/1) ... [2024-11-28 04:32:53,174 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:53" (1/1) ... [2024-11-28 04:32:53,175 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:53" (1/1) ... [2024-11-28 04:32:53,177 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:32:53,177 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:32:53,178 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:32:53,178 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:32:53,179 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:53" (1/1) ... [2024-11-28 04:32:53,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:32:53,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce9ccd4-6217-48ff-85ed-220852f4581d/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:32:53,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce9ccd4-6217-48ff-85ed-220852f4581d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:32:53,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce9ccd4-6217-48ff-85ed-220852f4581d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:32:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 04:32:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:32:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 04:32:53,244 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 04:32:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 04:32:53,244 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 04:32:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-28 04:32:53,244 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-28 04:32:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:32:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 04:32:53,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:32:53,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:32:53,246 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:32:53,418 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:32:53,421 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:32:53,610 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:32:53,610 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:32:53,705 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:32:53,705 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:32:53,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:53 BoogieIcfgContainer [2024-11-28 04:32:53,705 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:32:53,708 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:32:53,708 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:32:53,713 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:32:53,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:32:52" (1/3) ... [2024-11-28 04:32:53,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538af1a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:32:53, skipping insertion in model container [2024-11-28 04:32:53,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:32:53" (2/3) ... [2024-11-28 04:32:53,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538af1a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:32:53, skipping insertion in model container [2024-11-28 04:32:53,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:53" (3/3) ... [2024-11-28 04:32:53,716 INFO L128 eAbstractionObserver]: Analyzing ICFG safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-28 04:32:53,733 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:32:53,734 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe018_pso.oepc_pso.opt_tso.oepc_tso.opt.i that has 4 procedures, 41 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-28 04:32:53,735 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:32:53,809 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 04:32:53,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 42 transitions, 96 flow [2024-11-28 04:32:53,919 INFO L124 PetriNetUnfolderBase]: 2/39 cut-off events. [2024-11-28 04:32:53,923 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:32:53,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 39 events. 2/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 66 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2024-11-28 04:32:53,929 INFO L82 GeneralOperation]: Start removeDead. Operand has 50 places, 42 transitions, 96 flow [2024-11-28 04:32:53,932 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 38 transitions, 85 flow [2024-11-28 04:32:53,947 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:32:53,962 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;@791fd28f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:32:53,964 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-28 04:32:53,985 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:32:53,989 INFO L124 PetriNetUnfolderBase]: 2/36 cut-off events. [2024-11-28 04:32:53,989 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:32:53,989 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:53,990 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:53,990 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-28 04:32:53,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:53,996 INFO L85 PathProgramCache]: Analyzing trace with hash 41767399, now seen corresponding path program 1 times [2024-11-28 04:32:54,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:54,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680687774] [2024-11-28 04:32:54,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:54,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:54,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:54,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:54,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680687774] [2024-11-28 04:32:54,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680687774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:54,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:54,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 04:32:54,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794180667] [2024-11-28 04:32:54,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:54,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:32:54,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:54,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:32:54,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:32:54,399 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 42 [2024-11-28 04:32:54,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 38 transitions, 85 flow. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:54,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:54,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 42 [2024-11-28 04:32:54,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:54,541 INFO L124 PetriNetUnfolderBase]: 75/217 cut-off events. [2024-11-28 04:32:54,542 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:32:54,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 217 events. 75/217 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1172 event pairs, 75 based on Foata normal form. 24/223 useless extension candidates. Maximal degree in co-relation 361. Up to 136 conditions per place. [2024-11-28 04:32:54,546 INFO L140 encePairwiseOnDemand]: 38/42 looper letters, 12 selfloop transitions, 1 changer transitions 1/34 dead transitions. [2024-11-28 04:32:54,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 34 transitions, 105 flow [2024-11-28 04:32:54,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:32:54,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:32:54,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 86 transitions. [2024-11-28 04:32:54,562 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6825396825396826 [2024-11-28 04:32:54,564 INFO L175 Difference]: Start difference. First operand has 46 places, 38 transitions, 85 flow. Second operand 3 states and 86 transitions. [2024-11-28 04:32:54,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 34 transitions, 105 flow [2024-11-28 04:32:54,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 34 transitions, 102 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-28 04:32:54,571 INFO L231 Difference]: Finished difference. Result has 43 places, 33 transitions, 74 flow [2024-11-28 04:32:54,574 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, 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} [2024-11-28 04:32:54,577 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, -3 predicate places. [2024-11-28 04:32:54,577 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 33 transitions, 74 flow [2024-11-28 04:32:54,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:32:54,578 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:54,578 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:54,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:32:54,578 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-28 04:32:54,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:54,579 INFO L85 PathProgramCache]: Analyzing trace with hash 41768954, now seen corresponding path program 1 times [2024-11-28 04:32:54,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:54,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186328405] [2024-11-28 04:32:54,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:54,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:54,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:54,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:54,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186328405] [2024-11-28 04:32:54,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186328405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:54,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:54,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:32:54,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7093340] [2024-11-28 04:32:54,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:54,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:32:54,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:54,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:32:54,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:32:55,004 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 42 [2024-11-28 04:32:55,004 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 33 transitions, 74 flow. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 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) [2024-11-28 04:32:55,005 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:55,005 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 42 [2024-11-28 04:32:55,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:55,343 INFO L124 PetriNetUnfolderBase]: 421/834 cut-off events. [2024-11-28 04:32:55,344 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:32:55,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1542 conditions, 834 events. 421/834 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 5179 event pairs, 178 based on Foata normal form. 0/792 useless extension candidates. Maximal degree in co-relation 1536. Up to 411 conditions per place. [2024-11-28 04:32:55,354 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 23 selfloop transitions, 3 changer transitions 30/71 dead transitions. [2024-11-28 04:32:55,354 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 71 transitions, 266 flow [2024-11-28 04:32:55,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:32:55,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-28 04:32:55,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 210 transitions. [2024-11-28 04:32:55,359 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.625 [2024-11-28 04:32:55,359 INFO L175 Difference]: Start difference. First operand has 43 places, 33 transitions, 74 flow. Second operand 8 states and 210 transitions. [2024-11-28 04:32:55,359 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 71 transitions, 266 flow [2024-11-28 04:32:55,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 71 transitions, 265 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:32:55,361 INFO L231 Difference]: Finished difference. Result has 53 places, 34 transitions, 106 flow [2024-11-28 04:32:55,362 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=106, PETRI_PLACES=53, PETRI_TRANSITIONS=34} [2024-11-28 04:32:55,362 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 7 predicate places. [2024-11-28 04:32:55,362 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 34 transitions, 106 flow [2024-11-28 04:32:55,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 5 states have internal predecessors, (106), 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) [2024-11-28 04:32:55,366 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:55,366 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:55,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:32:55,367 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-28 04:32:55,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:55,368 INFO L85 PathProgramCache]: Analyzing trace with hash -2014766247, now seen corresponding path program 1 times [2024-11-28 04:32:55,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:55,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114555394] [2024-11-28 04:32:55,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:55,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:55,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:55,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:55,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114555394] [2024-11-28 04:32:55,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114555394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:55,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:55,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:32:55,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545532746] [2024-11-28 04:32:55,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:55,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:32:55,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:55,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:32:55,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:32:55,655 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 42 [2024-11-28 04:32:55,656 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 34 transitions, 106 flow. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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) [2024-11-28 04:32:55,656 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:55,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 42 [2024-11-28 04:32:55,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:56,194 INFO L124 PetriNetUnfolderBase]: 511/1027 cut-off events. [2024-11-28 04:32:56,194 INFO L125 PetriNetUnfolderBase]: For 701/701 co-relation queries the response was YES. [2024-11-28 04:32:56,203 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2377 conditions, 1027 events. 511/1027 cut-off events. For 701/701 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 6819 event pairs, 82 based on Foata normal form. 30/1042 useless extension candidates. Maximal degree in co-relation 2365. Up to 321 conditions per place. [2024-11-28 04:32:56,210 INFO L140 encePairwiseOnDemand]: 34/42 looper letters, 40 selfloop transitions, 8 changer transitions 38/100 dead transitions. [2024-11-28 04:32:56,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 100 transitions, 496 flow [2024-11-28 04:32:56,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 04:32:56,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-28 04:32:56,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 323 transitions. [2024-11-28 04:32:56,217 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5915750915750916 [2024-11-28 04:32:56,217 INFO L175 Difference]: Start difference. First operand has 53 places, 34 transitions, 106 flow. Second operand 13 states and 323 transitions. [2024-11-28 04:32:56,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 100 transitions, 496 flow [2024-11-28 04:32:56,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 100 transitions, 469 flow, removed 12 selfloop flow, removed 3 redundant places. [2024-11-28 04:32:56,229 INFO L231 Difference]: Finished difference. Result has 67 places, 39 transitions, 190 flow [2024-11-28 04:32:56,229 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=190, PETRI_PLACES=67, PETRI_TRANSITIONS=39} [2024-11-28 04:32:56,230 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 21 predicate places. [2024-11-28 04:32:56,230 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 39 transitions, 190 flow [2024-11-28 04:32:56,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 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) [2024-11-28 04:32:56,230 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:56,230 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:56,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:32:56,231 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-28 04:32:56,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:56,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1486249929, now seen corresponding path program 1 times [2024-11-28 04:32:56,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:56,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507168082] [2024-11-28 04:32:56,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:56,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:56,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:56,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:56,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507168082] [2024-11-28 04:32:56,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507168082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:56,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:56,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:32:56,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622663343] [2024-11-28 04:32:56,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:56,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:32:56,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:56,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:32:56,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:32:56,488 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 42 [2024-11-28 04:32:56,489 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 39 transitions, 190 flow. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 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) [2024-11-28 04:32:56,489 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:56,489 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 42 [2024-11-28 04:32:56,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:56,758 INFO L124 PetriNetUnfolderBase]: 329/715 cut-off events. [2024-11-28 04:32:56,758 INFO L125 PetriNetUnfolderBase]: For 2136/2136 co-relation queries the response was YES. [2024-11-28 04:32:56,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2309 conditions, 715 events. 329/715 cut-off events. For 2136/2136 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4555 event pairs, 78 based on Foata normal form. 24/717 useless extension candidates. Maximal degree in co-relation 2287. Up to 372 conditions per place. [2024-11-28 04:32:56,768 INFO L140 encePairwiseOnDemand]: 37/42 looper letters, 27 selfloop transitions, 4 changer transitions 23/70 dead transitions. [2024-11-28 04:32:56,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 70 transitions, 464 flow [2024-11-28 04:32:56,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:32:56,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 04:32:56,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 178 transitions. [2024-11-28 04:32:56,771 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6054421768707483 [2024-11-28 04:32:56,771 INFO L175 Difference]: Start difference. First operand has 67 places, 39 transitions, 190 flow. Second operand 7 states and 178 transitions. [2024-11-28 04:32:56,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 70 transitions, 464 flow [2024-11-28 04:32:56,786 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 70 transitions, 409 flow, removed 25 selfloop flow, removed 7 redundant places. [2024-11-28 04:32:56,788 INFO L231 Difference]: Finished difference. Result has 63 places, 39 transitions, 187 flow [2024-11-28 04:32:56,788 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=187, PETRI_PLACES=63, PETRI_TRANSITIONS=39} [2024-11-28 04:32:56,789 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 17 predicate places. [2024-11-28 04:32:56,789 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 39 transitions, 187 flow [2024-11-28 04:32:56,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 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) [2024-11-28 04:32:56,789 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:56,789 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:56,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:32:56,791 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-28 04:32:56,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:56,791 INFO L85 PathProgramCache]: Analyzing trace with hash 247383691, now seen corresponding path program 1 times [2024-11-28 04:32:56,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:56,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277800769] [2024-11-28 04:32:56,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:56,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:56,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:56,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:56,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277800769] [2024-11-28 04:32:56,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277800769] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:56,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:56,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:32:56,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655542549] [2024-11-28 04:32:56,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:56,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:32:56,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:56,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:32:56,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:32:57,013 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 42 [2024-11-28 04:32:57,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 39 transitions, 187 flow. Second operand has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 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) [2024-11-28 04:32:57,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:57,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 42 [2024-11-28 04:32:57,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:57,295 INFO L124 PetriNetUnfolderBase]: 310/669 cut-off events. [2024-11-28 04:32:57,296 INFO L125 PetriNetUnfolderBase]: For 1333/1365 co-relation queries the response was YES. [2024-11-28 04:32:57,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1910 conditions, 669 events. 310/669 cut-off events. For 1333/1365 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4228 event pairs, 97 based on Foata normal form. 28/663 useless extension candidates. Maximal degree in co-relation 1888. Up to 148 conditions per place. [2024-11-28 04:32:57,303 INFO L140 encePairwiseOnDemand]: 36/42 looper letters, 20 selfloop transitions, 3 changer transitions 25/64 dead transitions. [2024-11-28 04:32:57,303 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 64 transitions, 361 flow [2024-11-28 04:32:57,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:32:57,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-28 04:32:57,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 204 transitions. [2024-11-28 04:32:57,305 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6071428571428571 [2024-11-28 04:32:57,305 INFO L175 Difference]: Start difference. First operand has 63 places, 39 transitions, 187 flow. Second operand 8 states and 204 transitions. [2024-11-28 04:32:57,306 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 64 transitions, 361 flow [2024-11-28 04:32:57,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 64 transitions, 325 flow, removed 14 selfloop flow, removed 7 redundant places. [2024-11-28 04:32:57,313 INFO L231 Difference]: Finished difference. Result has 65 places, 32 transitions, 133 flow [2024-11-28 04:32:57,313 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=133, PETRI_PLACES=65, PETRI_TRANSITIONS=32} [2024-11-28 04:32:57,314 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 19 predicate places. [2024-11-28 04:32:57,314 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 32 transitions, 133 flow [2024-11-28 04:32:57,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 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) [2024-11-28 04:32:57,314 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:57,314 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:57,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:32:57,315 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-28 04:32:57,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:57,315 INFO L85 PathProgramCache]: Analyzing trace with hash 2055534897, now seen corresponding path program 1 times [2024-11-28 04:32:57,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:57,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342454985] [2024-11-28 04:32:57,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:57,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:57,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:57,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:57,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342454985] [2024-11-28 04:32:57,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342454985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:57,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:57,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:32:57,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752728915] [2024-11-28 04:32:57,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:57,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:32:57,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:57,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:32:57,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:32:57,530 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 42 [2024-11-28 04:32:57,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 32 transitions, 133 flow. Second operand has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 7 states have internal predecessors, (139), 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) [2024-11-28 04:32:57,530 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:57,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 42 [2024-11-28 04:32:57,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:57,840 INFO L124 PetriNetUnfolderBase]: 325/655 cut-off events. [2024-11-28 04:32:57,840 INFO L125 PetriNetUnfolderBase]: For 1326/1326 co-relation queries the response was YES. [2024-11-28 04:32:57,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1971 conditions, 655 events. 325/655 cut-off events. For 1326/1326 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 3588 event pairs, 106 based on Foata normal form. 18/656 useless extension candidates. Maximal degree in co-relation 1948. Up to 219 conditions per place. [2024-11-28 04:32:57,844 INFO L140 encePairwiseOnDemand]: 36/42 looper letters, 22 selfloop transitions, 3 changer transitions 29/68 dead transitions. [2024-11-28 04:32:57,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 68 transitions, 425 flow [2024-11-28 04:32:57,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:32:57,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-28 04:32:57,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 200 transitions. [2024-11-28 04:32:57,846 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5952380952380952 [2024-11-28 04:32:57,846 INFO L175 Difference]: Start difference. First operand has 65 places, 32 transitions, 133 flow. Second operand 8 states and 200 transitions. [2024-11-28 04:32:57,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 68 transitions, 425 flow [2024-11-28 04:32:57,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 68 transitions, 326 flow, removed 36 selfloop flow, removed 15 redundant places. [2024-11-28 04:32:57,852 INFO L231 Difference]: Finished difference. Result has 58 places, 32 transitions, 113 flow [2024-11-28 04:32:57,852 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=113, PETRI_PLACES=58, PETRI_TRANSITIONS=32} [2024-11-28 04:32:57,853 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 12 predicate places. [2024-11-28 04:32:57,853 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 32 transitions, 113 flow [2024-11-28 04:32:57,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 7 states have internal predecessors, (139), 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) [2024-11-28 04:32:57,853 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:57,853 INFO L206 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] [2024-11-28 04:32:57,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:32:57,854 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-28 04:32:57,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:57,855 INFO L85 PathProgramCache]: Analyzing trace with hash -866081834, now seen corresponding path program 1 times [2024-11-28 04:32:57,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:57,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068142340] [2024-11-28 04:32:57,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:57,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:57,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:57,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:57,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068142340] [2024-11-28 04:32:57,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068142340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:57,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:57,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:32:57,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466266448] [2024-11-28 04:32:57,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:57,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:32:57,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:57,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:32:57,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:32:58,009 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 42 [2024-11-28 04:32:58,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 32 transitions, 113 flow. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 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) [2024-11-28 04:32:58,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:58,010 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 42 [2024-11-28 04:32:58,010 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:58,171 INFO L124 PetriNetUnfolderBase]: 370/727 cut-off events. [2024-11-28 04:32:58,171 INFO L125 PetriNetUnfolderBase]: For 578/578 co-relation queries the response was YES. [2024-11-28 04:32:58,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1730 conditions, 727 events. 370/727 cut-off events. For 578/578 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 4001 event pairs, 78 based on Foata normal form. 27/724 useless extension candidates. Maximal degree in co-relation 1713. Up to 353 conditions per place. [2024-11-28 04:32:58,177 INFO L140 encePairwiseOnDemand]: 36/42 looper letters, 24 selfloop transitions, 5 changer transitions 1/45 dead transitions. [2024-11-28 04:32:58,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 45 transitions, 201 flow [2024-11-28 04:32:58,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:32:58,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 04:32:58,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 112 transitions. [2024-11-28 04:32:58,179 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-11-28 04:32:58,179 INFO L175 Difference]: Start difference. First operand has 58 places, 32 transitions, 113 flow. Second operand 4 states and 112 transitions. [2024-11-28 04:32:58,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 45 transitions, 201 flow [2024-11-28 04:32:58,183 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 45 transitions, 181 flow, removed 6 selfloop flow, removed 8 redundant places. [2024-11-28 04:32:58,184 INFO L231 Difference]: Finished difference. Result has 51 places, 35 transitions, 127 flow [2024-11-28 04:32:58,185 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=127, PETRI_PLACES=51, PETRI_TRANSITIONS=35} [2024-11-28 04:32:58,186 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 5 predicate places. [2024-11-28 04:32:58,187 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 35 transitions, 127 flow [2024-11-28 04:32:58,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 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) [2024-11-28 04:32:58,187 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:58,187 INFO L206 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] [2024-11-28 04:32:58,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:32:58,187 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-28 04:32:58,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:58,189 INFO L85 PathProgramCache]: Analyzing trace with hash 660738135, now seen corresponding path program 1 times [2024-11-28 04:32:58,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:58,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092220086] [2024-11-28 04:32:58,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:58,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:58,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:58,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:58,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092220086] [2024-11-28 04:32:58,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092220086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:58,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:58,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:32:58,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618880717] [2024-11-28 04:32:58,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:58,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:32:58,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:58,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:32:58,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:32:58,387 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 42 [2024-11-28 04:32:58,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 35 transitions, 127 flow. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 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) [2024-11-28 04:32:58,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:58,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 42 [2024-11-28 04:32:58,388 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:58,545 INFO L124 PetriNetUnfolderBase]: 285/569 cut-off events. [2024-11-28 04:32:58,545 INFO L125 PetriNetUnfolderBase]: For 275/362 co-relation queries the response was YES. [2024-11-28 04:32:58,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1411 conditions, 569 events. 285/569 cut-off events. For 275/362 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2690 event pairs, 27 based on Foata normal form. 30/578 useless extension candidates. Maximal degree in co-relation 1398. Up to 245 conditions per place. [2024-11-28 04:32:58,549 INFO L140 encePairwiseOnDemand]: 36/42 looper letters, 28 selfloop transitions, 8 changer transitions 1/52 dead transitions. [2024-11-28 04:32:58,549 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 52 transitions, 252 flow [2024-11-28 04:32:58,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:32:58,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 04:32:58,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 139 transitions. [2024-11-28 04:32:58,550 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6619047619047619 [2024-11-28 04:32:58,550 INFO L175 Difference]: Start difference. First operand has 51 places, 35 transitions, 127 flow. Second operand 5 states and 139 transitions. [2024-11-28 04:32:58,550 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 52 transitions, 252 flow [2024-11-28 04:32:58,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 52 transitions, 242 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-28 04:32:58,554 INFO L231 Difference]: Finished difference. Result has 55 places, 38 transitions, 167 flow [2024-11-28 04:32:58,554 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=119, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=167, PETRI_PLACES=55, PETRI_TRANSITIONS=38} [2024-11-28 04:32:58,555 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 9 predicate places. [2024-11-28 04:32:58,555 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 38 transitions, 167 flow [2024-11-28 04:32:58,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 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) [2024-11-28 04:32:58,555 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:58,555 INFO L206 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] [2024-11-28 04:32:58,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:32:58,555 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-28 04:32:58,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:58,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1363049494, now seen corresponding path program 1 times [2024-11-28 04:32:58,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:58,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368649324] [2024-11-28 04:32:58,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:58,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:58,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:58,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:58,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:58,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368649324] [2024-11-28 04:32:58,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368649324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:58,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:58,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:32:58,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128338689] [2024-11-28 04:32:58,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:58,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:32:58,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:58,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:32:58,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:32:58,746 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 42 [2024-11-28 04:32:58,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 38 transitions, 167 flow. Second operand has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 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) [2024-11-28 04:32:58,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:58,747 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 42 [2024-11-28 04:32:58,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:58,881 INFO L124 PetriNetUnfolderBase]: 162/320 cut-off events. [2024-11-28 04:32:58,882 INFO L125 PetriNetUnfolderBase]: For 370/491 co-relation queries the response was YES. [2024-11-28 04:32:58,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 891 conditions, 320 events. 162/320 cut-off events. For 370/491 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1101 event pairs, 6 based on Foata normal form. 28/334 useless extension candidates. Maximal degree in co-relation 876. Up to 84 conditions per place. [2024-11-28 04:32:58,884 INFO L140 encePairwiseOnDemand]: 36/42 looper letters, 26 selfloop transitions, 11 changer transitions 1/53 dead transitions. [2024-11-28 04:32:58,884 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 53 transitions, 279 flow [2024-11-28 04:32:58,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:32:58,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:32:58,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 160 transitions. [2024-11-28 04:32:58,886 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6349206349206349 [2024-11-28 04:32:58,886 INFO L175 Difference]: Start difference. First operand has 55 places, 38 transitions, 167 flow. Second operand 6 states and 160 transitions. [2024-11-28 04:32:58,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 53 transitions, 279 flow [2024-11-28 04:32:58,889 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 53 transitions, 236 flow, removed 11 selfloop flow, removed 8 redundant places. [2024-11-28 04:32:58,891 INFO L231 Difference]: Finished difference. Result has 54 places, 38 transitions, 163 flow [2024-11-28 04:32:58,891 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=163, PETRI_PLACES=54, PETRI_TRANSITIONS=38} [2024-11-28 04:32:58,892 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 8 predicate places. [2024-11-28 04:32:58,894 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 38 transitions, 163 flow [2024-11-28 04:32:58,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 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) [2024-11-28 04:32:58,894 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:32:58,894 INFO L206 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] [2024-11-28 04:32:58,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:32:58,894 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-28 04:32:58,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:32:58,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1689631471, now seen corresponding path program 1 times [2024-11-28 04:32:58,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:32:58,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710841358] [2024-11-28 04:32:58,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:32:58,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:32:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:32:59,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:32:59,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:32:59,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710841358] [2024-11-28 04:32:59,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710841358] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:32:59,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:32:59,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:32:59,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027953022] [2024-11-28 04:32:59,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:32:59,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:32:59,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:32:59,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:32:59,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:32:59,093 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 42 [2024-11-28 04:32:59,093 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 38 transitions, 163 flow. Second operand has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 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) [2024-11-28 04:32:59,093 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:32:59,093 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 42 [2024-11-28 04:32:59,093 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:32:59,225 INFO L124 PetriNetUnfolderBase]: 97/229 cut-off events. [2024-11-28 04:32:59,225 INFO L125 PetriNetUnfolderBase]: For 182/186 co-relation queries the response was YES. [2024-11-28 04:32:59,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 587 conditions, 229 events. 97/229 cut-off events. For 182/186 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 786 event pairs, 6 based on Foata normal form. 8/222 useless extension candidates. Maximal degree in co-relation 575. Up to 84 conditions per place. [2024-11-28 04:32:59,226 INFO L140 encePairwiseOnDemand]: 37/42 looper letters, 0 selfloop transitions, 0 changer transitions 47/47 dead transitions. [2024-11-28 04:32:59,226 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 47 transitions, 237 flow [2024-11-28 04:32:59,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:32:59,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:32:59,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 148 transitions. [2024-11-28 04:32:59,227 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5873015873015873 [2024-11-28 04:32:59,227 INFO L175 Difference]: Start difference. First operand has 54 places, 38 transitions, 163 flow. Second operand 6 states and 148 transitions. [2024-11-28 04:32:59,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 47 transitions, 237 flow [2024-11-28 04:32:59,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 47 transitions, 181 flow, removed 10 selfloop flow, removed 8 redundant places. [2024-11-28 04:32:59,229 INFO L231 Difference]: Finished difference. Result has 48 places, 0 transitions, 0 flow [2024-11-28 04:32:59,229 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=48, PETRI_TRANSITIONS=0} [2024-11-28 04:32:59,233 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 2 predicate places. [2024-11-28 04:32:59,234 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 0 transitions, 0 flow [2024-11-28 04:32:59,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 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) [2024-11-28 04:32:59,239 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-28 04:32:59,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-28 04:32:59,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-28 04:32:59,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-28 04:32:59,240 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-28 04:32:59,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:32:59,241 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:32:59,244 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 04:32:59,246 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:32:59,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:32:59 BasicIcfg [2024-11-28 04:32:59,251 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:32:59,253 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:32:59,253 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:32:59,253 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:32:59,254 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:32:53" (3/4) ... [2024-11-28 04:32:59,256 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:32:59,260 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-28 04:32:59,260 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-28 04:32:59,260 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-28 04:32:59,266 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-11-28 04:32:59,266 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-28 04:32:59,266 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 04:32:59,266 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 04:32:59,345 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce9ccd4-6217-48ff-85ed-220852f4581d/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:32:59,345 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce9ccd4-6217-48ff-85ed-220852f4581d/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:32:59,345 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:32:59,346 INFO L158 Benchmark]: Toolchain (without parser) took 6902.96ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 104.2MB in the beginning and 200.5MB in the end (delta: -96.3MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2024-11-28 04:32:59,347 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:32:59,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 630.17ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 84.0MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:32:59,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.48ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 82.2MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:32:59,348 INFO L158 Benchmark]: Boogie Preprocessor took 44.32ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 80.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:32:59,351 INFO L158 Benchmark]: RCFGBuilder took 528.16ms. Allocated memory is still 142.6MB. Free memory was 80.5MB in the beginning and 62.3MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:32:59,352 INFO L158 Benchmark]: TraceAbstraction took 5543.25ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 61.6MB in the beginning and 205.4MB in the end (delta: -143.8MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2024-11-28 04:32:59,352 INFO L158 Benchmark]: Witness Printer took 92.24ms. Allocated memory is still 335.5MB. Free memory was 205.4MB in the beginning and 200.5MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:32:59,353 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 104.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 630.17ms. Allocated memory is still 142.6MB. Free memory was 103.9MB in the beginning and 84.0MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.48ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 82.2MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.32ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 80.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 528.16ms. Allocated memory is still 142.6MB. Free memory was 80.5MB in the beginning and 62.3MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5543.25ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 61.6MB in the beginning and 205.4MB in the end (delta: -143.8MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. * Witness Printer took 92.24ms. Allocated memory is still 335.5MB. Free memory was 205.4MB in the beginning and 200.5MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 773]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 64 locations, 5 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: 5.4s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 346 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 318 mSDsluCounter, 146 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 97 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 816 IncrementalHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 49 mSDtfsCounter, 816 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=190occurred in iteration=3, InterpolantAutomatonStates: 68, 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, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 203 NumberOfCodeBlocks, 203 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 193 ConstructedInterpolants, 0 QuantifiedInterpolants, 689 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 04:32:59,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8ce9ccd4-6217-48ff-85ed-220852f4581d/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE