./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe030_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe030_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX --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 bd5019d3aed54929cd262296b7eb8866c696444f31311cf49176222c13f665a6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:21:36,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:21:36,257 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-08 19:21:36,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:21:36,265 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:21:36,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:21:36,321 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:21:36,322 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:21:36,323 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:21:36,325 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:21:36,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:21:36,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:21:36,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:21:36,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:21:36,328 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:21:36,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:21:36,328 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:21:36,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:21:36,333 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:21:36,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:21:36,333 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 19:21:36,334 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 19:21:36,334 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 19:21:36,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:21:36,335 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:21:36,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:21:36,335 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:21:36,336 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:21:36,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:21:36,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:21:36,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:21:36,337 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:21:36,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:21:36,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:21:36,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:21:36,343 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:21:36,343 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:21:36,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:21:36,344 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:21:36,344 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:21:36,344 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:21:36,347 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:21:36,347 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd5019d3aed54929cd262296b7eb8866c696444f31311cf49176222c13f665a6 [2024-11-08 19:21:36,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:21:36,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:21:36,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:21:36,735 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:21:36,735 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:21:36,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-wmm/safe030_power.oepc_pso.oepc_rmo.oepc.i Unable to find full path for "g++" [2024-11-08 19:21:39,554 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:21:39,864 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:21:39,865 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/sv-benchmarks/c/pthread-wmm/safe030_power.oepc_pso.oepc_rmo.oepc.i [2024-11-08 19:21:39,887 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/data/c47868f66/272f1a0a78dc4b07ad952f667ba98f0c/FLAGcbd11d197 [2024-11-08 19:21:39,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/data/c47868f66/272f1a0a78dc4b07ad952f667ba98f0c [2024-11-08 19:21:39,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:21:39,921 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:21:39,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:21:39,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:21:39,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:21:39,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:21:39" (1/1) ... [2024-11-08 19:21:39,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac0fb1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:39, skipping insertion in model container [2024-11-08 19:21:39,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:21:39" (1/1) ... [2024-11-08 19:21:40,017 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:21:40,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:21:40,722 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:21:40,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:21:40,915 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:21:40,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:40 WrapperNode [2024-11-08 19:21:40,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:21:40,918 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:21:40,918 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:21:40,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:21:40,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:40" (1/1) ... [2024-11-08 19:21:40,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:40" (1/1) ... [2024-11-08 19:21:41,018 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 136 [2024-11-08 19:21:41,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:21:41,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:21:41,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:21:41,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:21:41,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:40" (1/1) ... [2024-11-08 19:21:41,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:40" (1/1) ... [2024-11-08 19:21:41,047 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:40" (1/1) ... [2024-11-08 19:21:41,088 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]. [2024-11-08 19:21:41,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:40" (1/1) ... [2024-11-08 19:21:41,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:40" (1/1) ... [2024-11-08 19:21:41,111 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:40" (1/1) ... [2024-11-08 19:21:41,113 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:40" (1/1) ... [2024-11-08 19:21:41,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:40" (1/1) ... [2024-11-08 19:21:41,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:40" (1/1) ... [2024-11-08 19:21:41,131 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:21:41,132 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:21:41,132 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:21:41,132 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:21:41,133 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:40" (1/1) ... [2024-11-08 19:21:41,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:21:41,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:21:41,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:21:41,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:21:41,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 19:21:41,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:21:41,263 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-08 19:21:41,264 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-08 19:21:41,265 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-08 19:21:41,266 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-08 19:21:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-08 19:21:41,266 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-08 19:21:41,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:21:41,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 19:21:41,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:21:41,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:21:41,272 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 19:21:41,560 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:21:41,564 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:21:42,047 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 19:21:42,048 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:21:42,427 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:21:42,428 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:21:42,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:21:42 BoogieIcfgContainer [2024-11-08 19:21:42,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:21:42,434 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:21:42,435 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:21:42,440 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:21:42,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:21:39" (1/3) ... [2024-11-08 19:21:42,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d08e270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:21:42, skipping insertion in model container [2024-11-08 19:21:42,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:40" (2/3) ... [2024-11-08 19:21:42,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d08e270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:21:42, skipping insertion in model container [2024-11-08 19:21:42,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:21:42" (3/3) ... [2024-11-08 19:21:42,449 INFO L112 eAbstractionObserver]: Analyzing ICFG safe030_power.oepc_pso.oepc_rmo.oepc.i [2024-11-08 19:21:42,475 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:21:42,476 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-08 19:21:42,477 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 19:21:42,577 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 19:21:42,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 44 transitions, 100 flow [2024-11-08 19:21:42,698 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2024-11-08 19:21:42,698 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:21:42,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 41 events. 2/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2024-11-08 19:21:42,707 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 44 transitions, 100 flow [2024-11-08 19:21:42,715 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 41 transitions, 91 flow [2024-11-08 19:21:42,725 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:21:42,734 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;@595bf14e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:21:42,735 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-08 19:21:42,744 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 19:21:42,744 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-08 19:21:42,744 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:21:42,745 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:21:42,746 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-08 19:21:42,746 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:21:42,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:21:42,755 INFO L85 PathProgramCache]: Analyzing trace with hash 11874970, now seen corresponding path program 1 times [2024-11-08 19:21:42,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:21:42,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393415523] [2024-11-08 19:21:42,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:21:42,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:21:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:43,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:21:43,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:21:43,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393415523] [2024-11-08 19:21:43,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393415523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:21:43,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:21:43,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 19:21:43,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72097303] [2024-11-08 19:21:43,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:21:43,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:21:43,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:21:43,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:21:43,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:21:43,527 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 44 [2024-11-08 19:21:43,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2024-11-08 19:21:43,532 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:21:43,532 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 44 [2024-11-08 19:21:43,534 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:21:44,234 INFO L124 PetriNetUnfolderBase]: 680/1277 cut-off events. [2024-11-08 19:21:44,235 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-08 19:21:44,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2353 conditions, 1277 events. 680/1277 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 8166 event pairs, 104 based on Foata normal form. 72/1333 useless extension candidates. Maximal degree in co-relation 2342. Up to 844 conditions per place. [2024-11-08 19:21:44,259 INFO L140 encePairwiseOnDemand]: 39/44 looper letters, 33 selfloop transitions, 2 changer transitions 2/53 dead transitions. [2024-11-08 19:21:44,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 53 transitions, 195 flow [2024-11-08 19:21:44,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:21:44,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:21:44,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2024-11-08 19:21:44,278 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.75 [2024-11-08 19:21:44,280 INFO L175 Difference]: Start difference. First operand has 49 places, 41 transitions, 91 flow. Second operand 3 states and 99 transitions. [2024-11-08 19:21:44,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 53 transitions, 195 flow [2024-11-08 19:21:44,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 53 transitions, 190 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-08 19:21:44,292 INFO L231 Difference]: Finished difference. Result has 46 places, 36 transitions, 82 flow [2024-11-08 19:21:44,297 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=46, PETRI_TRANSITIONS=36} [2024-11-08 19:21:44,304 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2024-11-08 19:21:44,305 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 36 transitions, 82 flow [2024-11-08 19:21:44,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2024-11-08 19:21:44,305 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:21:44,306 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:21:44,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:21:44,307 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:21:44,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:21:44,309 INFO L85 PathProgramCache]: Analyzing trace with hash 625606107, now seen corresponding path program 1 times [2024-11-08 19:21:44,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:21:44,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886798915] [2024-11-08 19:21:44,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:21:44,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:21:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:44,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:21:44,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:21:44,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886798915] [2024-11-08 19:21:44,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886798915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:21:44,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:21:44,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 19:21:44,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988902729] [2024-11-08 19:21:44,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:21:44,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:21:44,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:21:44,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:21:44,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:21:44,520 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 44 [2024-11-08 19:21:44,521 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:21:44,521 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:21:44,521 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 44 [2024-11-08 19:21:44,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:21:44,911 INFO L124 PetriNetUnfolderBase]: 605/1137 cut-off events. [2024-11-08 19:21:44,912 INFO L125 PetriNetUnfolderBase]: For 80/80 co-relation queries the response was YES. [2024-11-08 19:21:44,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2181 conditions, 1137 events. 605/1137 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 7018 event pairs, 605 based on Foata normal form. 36/1123 useless extension candidates. Maximal degree in co-relation 2171. Up to 926 conditions per place. [2024-11-08 19:21:44,925 INFO L140 encePairwiseOnDemand]: 42/44 looper letters, 18 selfloop transitions, 1 changer transitions 1/35 dead transitions. [2024-11-08 19:21:44,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 35 transitions, 120 flow [2024-11-08 19:21:44,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:21:44,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:21:44,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2024-11-08 19:21:44,928 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5681818181818182 [2024-11-08 19:21:44,928 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 82 flow. Second operand 3 states and 75 transitions. [2024-11-08 19:21:44,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 35 transitions, 120 flow [2024-11-08 19:21:44,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 116 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:21:44,931 INFO L231 Difference]: Finished difference. Result has 44 places, 34 transitions, 76 flow [2024-11-08 19:21:44,931 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=44, PETRI_TRANSITIONS=34} [2024-11-08 19:21:44,932 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, -5 predicate places. [2024-11-08 19:21:44,933 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 76 flow [2024-11-08 19:21:44,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:21:44,933 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:21:44,934 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:21:44,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:21:44,935 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:21:44,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:21:44,936 INFO L85 PathProgramCache]: Analyzing trace with hash 625607718, now seen corresponding path program 1 times [2024-11-08 19:21:44,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:21:44,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653013152] [2024-11-08 19:21:44,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:21:44,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:21:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:46,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:21:46,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:21:46,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653013152] [2024-11-08 19:21:46,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653013152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:21:46,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:21:46,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:21:46,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031861091] [2024-11-08 19:21:46,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:21:46,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:21:46,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:21:46,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:21:46,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:21:46,610 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 44 [2024-11-08 19:21:46,612 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 76 flow. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:21:46,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:21:46,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 44 [2024-11-08 19:21:46,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:21:48,764 INFO L124 PetriNetUnfolderBase]: 3181/5158 cut-off events. [2024-11-08 19:21:48,764 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:21:48,781 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9892 conditions, 5158 events. 3181/5158 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 300. Compared 33096 event pairs, 392 based on Foata normal form. 0/5021 useless extension candidates. Maximal degree in co-relation 9886. Up to 2283 conditions per place. [2024-11-08 19:21:48,803 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 41 selfloop transitions, 12 changer transitions 90/153 dead transitions. [2024-11-08 19:21:48,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 153 transitions, 604 flow [2024-11-08 19:21:48,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 19:21:48,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-08 19:21:48,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 314 transitions. [2024-11-08 19:21:48,808 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5946969696969697 [2024-11-08 19:21:48,809 INFO L175 Difference]: Start difference. First operand has 44 places, 34 transitions, 76 flow. Second operand 12 states and 314 transitions. [2024-11-08 19:21:48,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 153 transitions, 604 flow [2024-11-08 19:21:48,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 153 transitions, 603 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 19:21:48,815 INFO L231 Difference]: Finished difference. Result has 64 places, 44 transitions, 213 flow [2024-11-08 19:21:48,816 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=213, PETRI_PLACES=64, PETRI_TRANSITIONS=44} [2024-11-08 19:21:48,818 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 15 predicate places. [2024-11-08 19:21:48,818 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 44 transitions, 213 flow [2024-11-08 19:21:48,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:21:48,820 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:21:48,820 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:21:48,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:21:48,820 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:21:48,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:21:48,822 INFO L85 PathProgramCache]: Analyzing trace with hash 827570693, now seen corresponding path program 1 times [2024-11-08 19:21:48,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:21:48,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998727649] [2024-11-08 19:21:48,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:21:48,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:21:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:50,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:21:50,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:21:50,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998727649] [2024-11-08 19:21:50,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998727649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:21:50,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:21:50,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:21:50,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72248888] [2024-11-08 19:21:50,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:21:50,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:21:50,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:21:50,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:21:50,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:21:50,088 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 44 [2024-11-08 19:21:50,089 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 44 transitions, 213 flow. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 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) [2024-11-08 19:21:50,089 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:21:50,089 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 44 [2024-11-08 19:21:50,089 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:21:51,684 INFO L124 PetriNetUnfolderBase]: 2355/3922 cut-off events. [2024-11-08 19:21:51,685 INFO L125 PetriNetUnfolderBase]: For 8780/8783 co-relation queries the response was YES. [2024-11-08 19:21:51,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14278 conditions, 3922 events. 2355/3922 cut-off events. For 8780/8783 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 24816 event pairs, 500 based on Foata normal form. 99/4015 useless extension candidates. Maximal degree in co-relation 14260. Up to 2269 conditions per place. [2024-11-08 19:21:51,735 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 46 selfloop transitions, 19 changer transitions 54/129 dead transitions. [2024-11-08 19:21:51,736 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 129 transitions, 951 flow [2024-11-08 19:21:51,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:21:51,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-08 19:21:51,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 253 transitions. [2024-11-08 19:21:51,739 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.575 [2024-11-08 19:21:51,739 INFO L175 Difference]: Start difference. First operand has 64 places, 44 transitions, 213 flow. Second operand 10 states and 253 transitions. [2024-11-08 19:21:51,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 129 transitions, 951 flow [2024-11-08 19:21:51,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 129 transitions, 875 flow, removed 38 selfloop flow, removed 4 redundant places. [2024-11-08 19:21:51,787 INFO L231 Difference]: Finished difference. Result has 69 places, 53 transitions, 361 flow [2024-11-08 19:21:51,787 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=197, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=361, PETRI_PLACES=69, PETRI_TRANSITIONS=53} [2024-11-08 19:21:51,788 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 20 predicate places. [2024-11-08 19:21:51,788 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 53 transitions, 361 flow [2024-11-08 19:21:51,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 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) [2024-11-08 19:21:51,789 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:21:51,789 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:21:51,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 19:21:51,790 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:21:51,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:21:51,791 INFO L85 PathProgramCache]: Analyzing trace with hash 59559027, now seen corresponding path program 1 times [2024-11-08 19:21:51,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:21:51,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645196890] [2024-11-08 19:21:51,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:21:51,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:21:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:52,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:21:52,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:21:52,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645196890] [2024-11-08 19:21:52,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645196890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:21:52,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:21:52,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:21:52,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428505736] [2024-11-08 19:21:52,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:21:52,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:21:52,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:21:52,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:21:52,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:21:52,163 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2024-11-08 19:21:52,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 53 transitions, 361 flow. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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) [2024-11-08 19:21:52,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:21:52,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2024-11-08 19:21:52,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:21:53,679 INFO L124 PetriNetUnfolderBase]: 2791/4724 cut-off events. [2024-11-08 19:21:53,679 INFO L125 PetriNetUnfolderBase]: For 16588/17316 co-relation queries the response was YES. [2024-11-08 19:21:53,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18998 conditions, 4724 events. 2791/4724 cut-off events. For 16588/17316 co-relation queries the response was YES. Maximal size of possible extension queue 282. Compared 32211 event pairs, 663 based on Foata normal form. 392/4954 useless extension candidates. Maximal degree in co-relation 18973. Up to 2030 conditions per place. [2024-11-08 19:21:53,754 INFO L140 encePairwiseOnDemand]: 39/44 looper letters, 46 selfloop transitions, 6 changer transitions 47/118 dead transitions. [2024-11-08 19:21:53,754 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 118 transitions, 1019 flow [2024-11-08 19:21:53,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:21:53,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-08 19:21:53,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 183 transitions. [2024-11-08 19:21:53,756 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5941558441558441 [2024-11-08 19:21:53,757 INFO L175 Difference]: Start difference. First operand has 69 places, 53 transitions, 361 flow. Second operand 7 states and 183 transitions. [2024-11-08 19:21:53,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 118 transitions, 1019 flow [2024-11-08 19:21:53,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 118 transitions, 977 flow, removed 21 selfloop flow, removed 6 redundant places. [2024-11-08 19:21:53,849 INFO L231 Difference]: Finished difference. Result has 68 places, 53 transitions, 371 flow [2024-11-08 19:21:53,849 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=343, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=371, PETRI_PLACES=68, PETRI_TRANSITIONS=53} [2024-11-08 19:21:53,850 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 19 predicate places. [2024-11-08 19:21:53,850 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 53 transitions, 371 flow [2024-11-08 19:21:53,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 5 states have internal predecessors, (93), 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) [2024-11-08 19:21:53,851 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:21:53,851 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:21:53,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 19:21:53,851 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:21:53,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:21:53,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1393230876, now seen corresponding path program 1 times [2024-11-08 19:21:53,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:21:53,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561661657] [2024-11-08 19:21:53,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:21:53,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:21:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:54,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:21:54,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:21:54,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561661657] [2024-11-08 19:21:54,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561661657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:21:54,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:21:54,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:21:54,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958283514] [2024-11-08 19:21:54,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:21:54,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:21:54,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:21:54,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:21:54,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:21:54,624 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 44 [2024-11-08 19:21:54,624 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 53 transitions, 371 flow. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-11-08 19:21:54,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:21:54,625 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 44 [2024-11-08 19:21:54,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:21:56,335 INFO L124 PetriNetUnfolderBase]: 3231/5480 cut-off events. [2024-11-08 19:21:56,336 INFO L125 PetriNetUnfolderBase]: For 17539/18594 co-relation queries the response was YES. [2024-11-08 19:21:56,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21658 conditions, 5480 events. 3231/5480 cut-off events. For 17539/18594 co-relation queries the response was YES. Maximal size of possible extension queue 333. Compared 38051 event pairs, 976 based on Foata normal form. 607/5881 useless extension candidates. Maximal degree in co-relation 21633. Up to 3591 conditions per place. [2024-11-08 19:21:56,414 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 37 selfloop transitions, 4 changer transitions 39/106 dead transitions. [2024-11-08 19:21:56,414 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 106 transitions, 877 flow [2024-11-08 19:21:56,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:21:56,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-08 19:21:56,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 179 transitions. [2024-11-08 19:21:56,417 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5811688311688312 [2024-11-08 19:21:56,417 INFO L175 Difference]: Start difference. First operand has 68 places, 53 transitions, 371 flow. Second operand 7 states and 179 transitions. [2024-11-08 19:21:56,417 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 106 transitions, 877 flow [2024-11-08 19:21:56,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 106 transitions, 855 flow, removed 8 selfloop flow, removed 5 redundant places. [2024-11-08 19:21:56,519 INFO L231 Difference]: Finished difference. Result has 70 places, 56 transitions, 417 flow [2024-11-08 19:21:56,519 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=357, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=417, PETRI_PLACES=70, PETRI_TRANSITIONS=56} [2024-11-08 19:21:56,520 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 21 predicate places. [2024-11-08 19:21:56,521 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 56 transitions, 417 flow [2024-11-08 19:21:56,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-11-08 19:21:56,522 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:21:56,522 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:21:56,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 19:21:56,523 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:21:56,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:21:56,524 INFO L85 PathProgramCache]: Analyzing trace with hash 810999619, now seen corresponding path program 1 times [2024-11-08 19:21:56,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:21:56,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639973436] [2024-11-08 19:21:56,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:21:56,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:21:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:21:57,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:21:57,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:21:57,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639973436] [2024-11-08 19:21:57,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639973436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:21:57,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:21:57,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:21:57,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990711822] [2024-11-08 19:21:57,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:21:57,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:21:57,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:21:57,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:21:57,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:21:57,597 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 44 [2024-11-08 19:21:57,598 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 56 transitions, 417 flow. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 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) [2024-11-08 19:21:57,598 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:21:57,598 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 44 [2024-11-08 19:21:57,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:22:00,054 INFO L124 PetriNetUnfolderBase]: 4492/7749 cut-off events. [2024-11-08 19:22:00,055 INFO L125 PetriNetUnfolderBase]: For 25276/25308 co-relation queries the response was YES. [2024-11-08 19:22:00,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31852 conditions, 7749 events. 4492/7749 cut-off events. For 25276/25308 co-relation queries the response was YES. Maximal size of possible extension queue 467. Compared 58000 event pairs, 985 based on Foata normal form. 196/7884 useless extension candidates. Maximal degree in co-relation 31825. Up to 2933 conditions per place. [2024-11-08 19:22:00,148 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 57 selfloop transitions, 21 changer transitions 55/144 dead transitions. [2024-11-08 19:22:00,148 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 144 transitions, 1290 flow [2024-11-08 19:22:00,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:22:00,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-08 19:22:00,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 246 transitions. [2024-11-08 19:22:00,151 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5590909090909091 [2024-11-08 19:22:00,151 INFO L175 Difference]: Start difference. First operand has 70 places, 56 transitions, 417 flow. Second operand 10 states and 246 transitions. [2024-11-08 19:22:00,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 144 transitions, 1290 flow [2024-11-08 19:22:00,215 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 144 transitions, 1267 flow, removed 9 selfloop flow, removed 3 redundant places. [2024-11-08 19:22:00,218 INFO L231 Difference]: Finished difference. Result has 81 places, 63 transitions, 607 flow [2024-11-08 19:22:00,219 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=409, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=607, PETRI_PLACES=81, PETRI_TRANSITIONS=63} [2024-11-08 19:22:00,219 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 32 predicate places. [2024-11-08 19:22:00,220 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 63 transitions, 607 flow [2024-11-08 19:22:00,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 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) [2024-11-08 19:22:00,220 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:22:00,221 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:00,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 19:22:00,221 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:22:00,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:00,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1542743980, now seen corresponding path program 1 times [2024-11-08 19:22:00,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:00,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454310751] [2024-11-08 19:22:00,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:00,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:00,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:22:00,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:22:00,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454310751] [2024-11-08 19:22:00,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454310751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:00,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:00,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:22:00,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637931505] [2024-11-08 19:22:00,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:00,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:22:00,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:22:00,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:22:00,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:22:00,672 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 44 [2024-11-08 19:22:00,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 63 transitions, 607 flow. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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) [2024-11-08 19:22:00,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:22:00,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 44 [2024-11-08 19:22:00,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:22:02,761 INFO L124 PetriNetUnfolderBase]: 4122/7298 cut-off events. [2024-11-08 19:22:02,761 INFO L125 PetriNetUnfolderBase]: For 42892/44051 co-relation queries the response was YES. [2024-11-08 19:22:02,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33715 conditions, 7298 events. 4122/7298 cut-off events. For 42892/44051 co-relation queries the response was YES. Maximal size of possible extension queue 425. Compared 55803 event pairs, 1856 based on Foata normal form. 634/7776 useless extension candidates. Maximal degree in co-relation 33680. Up to 4832 conditions per place. [2024-11-08 19:22:02,845 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 49 selfloop transitions, 14 changer transitions 42/132 dead transitions. [2024-11-08 19:22:02,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 132 transitions, 1473 flow [2024-11-08 19:22:02,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:22:02,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-08 19:22:02,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 205 transitions. [2024-11-08 19:22:02,849 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5823863636363636 [2024-11-08 19:22:02,850 INFO L175 Difference]: Start difference. First operand has 81 places, 63 transitions, 607 flow. Second operand 8 states and 205 transitions. [2024-11-08 19:22:02,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 132 transitions, 1473 flow [2024-11-08 19:22:02,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 132 transitions, 1415 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-11-08 19:22:02,975 INFO L231 Difference]: Finished difference. Result has 84 places, 70 transitions, 721 flow [2024-11-08 19:22:02,976 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=721, PETRI_PLACES=84, PETRI_TRANSITIONS=70} [2024-11-08 19:22:02,977 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 35 predicate places. [2024-11-08 19:22:02,977 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 70 transitions, 721 flow [2024-11-08 19:22:02,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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) [2024-11-08 19:22:02,978 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:22:02,978 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:02,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 19:22:02,978 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:22:02,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:02,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1127372396, now seen corresponding path program 2 times [2024-11-08 19:22:02,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:02,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165060804] [2024-11-08 19:22:02,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:02,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:03,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:22:03,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:22:03,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165060804] [2024-11-08 19:22:03,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165060804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:03,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:03,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:22:03,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122665038] [2024-11-08 19:22:03,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:03,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:22:03,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:22:03,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:22:03,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:22:03,649 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 44 [2024-11-08 19:22:03,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 70 transitions, 721 flow. Second operand has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 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) [2024-11-08 19:22:03,650 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:22:03,650 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 44 [2024-11-08 19:22:03,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:22:05,388 INFO L124 PetriNetUnfolderBase]: 3958/7012 cut-off events. [2024-11-08 19:22:05,389 INFO L125 PetriNetUnfolderBase]: For 46743/47730 co-relation queries the response was YES. [2024-11-08 19:22:05,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34259 conditions, 7012 events. 3958/7012 cut-off events. For 46743/47730 co-relation queries the response was YES. Maximal size of possible extension queue 399. Compared 53324 event pairs, 1805 based on Foata normal form. 624/7481 useless extension candidates. Maximal degree in co-relation 34220. Up to 4749 conditions per place. [2024-11-08 19:22:05,484 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 45 selfloop transitions, 14 changer transitions 42/128 dead transitions. [2024-11-08 19:22:05,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 128 transitions, 1476 flow [2024-11-08 19:22:05,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:22:05,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-08 19:22:05,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 202 transitions. [2024-11-08 19:22:05,487 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5738636363636364 [2024-11-08 19:22:05,487 INFO L175 Difference]: Start difference. First operand has 84 places, 70 transitions, 721 flow. Second operand 8 states and 202 transitions. [2024-11-08 19:22:05,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 128 transitions, 1476 flow [2024-11-08 19:22:05,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 128 transitions, 1424 flow, removed 20 selfloop flow, removed 5 redundant places. [2024-11-08 19:22:05,637 INFO L231 Difference]: Finished difference. Result has 87 places, 70 transitions, 739 flow [2024-11-08 19:22:05,638 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=689, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=739, PETRI_PLACES=87, PETRI_TRANSITIONS=70} [2024-11-08 19:22:05,638 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 38 predicate places. [2024-11-08 19:22:05,639 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 70 transitions, 739 flow [2024-11-08 19:22:05,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.857142857142858) internal successors, (132), 7 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) [2024-11-08 19:22:05,639 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:22:05,639 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:05,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 19:22:05,640 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:22:05,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:05,641 INFO L85 PathProgramCache]: Analyzing trace with hash -97355430, now seen corresponding path program 1 times [2024-11-08 19:22:05,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:05,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474405388] [2024-11-08 19:22:05,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:05,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:07,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:22:07,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:22:07,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474405388] [2024-11-08 19:22:07,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474405388] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:07,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:07,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:22:07,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390265874] [2024-11-08 19:22:07,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:07,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:22:07,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:22:07,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:22:07,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:22:07,661 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 44 [2024-11-08 19:22:07,662 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 70 transitions, 739 flow. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 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) [2024-11-08 19:22:07,662 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:22:07,663 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 44 [2024-11-08 19:22:07,663 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:22:10,218 INFO L124 PetriNetUnfolderBase]: 4961/8462 cut-off events. [2024-11-08 19:22:10,218 INFO L125 PetriNetUnfolderBase]: For 57395/57418 co-relation queries the response was YES. [2024-11-08 19:22:10,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41506 conditions, 8462 events. 4961/8462 cut-off events. For 57395/57418 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 62179 event pairs, 1438 based on Foata normal form. 244/8701 useless extension candidates. Maximal degree in co-relation 41465. Up to 4922 conditions per place. [2024-11-08 19:22:10,324 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 68 selfloop transitions, 34 changer transitions 94/205 dead transitions. [2024-11-08 19:22:10,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 205 transitions, 2562 flow [2024-11-08 19:22:10,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:22:10,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-08 19:22:10,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 242 transitions. [2024-11-08 19:22:10,326 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.55 [2024-11-08 19:22:10,326 INFO L175 Difference]: Start difference. First operand has 87 places, 70 transitions, 739 flow. Second operand 10 states and 242 transitions. [2024-11-08 19:22:10,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 205 transitions, 2562 flow [2024-11-08 19:22:10,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 205 transitions, 2492 flow, removed 16 selfloop flow, removed 7 redundant places. [2024-11-08 19:22:10,575 INFO L231 Difference]: Finished difference. Result has 94 places, 88 transitions, 1090 flow [2024-11-08 19:22:10,576 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=699, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1090, PETRI_PLACES=94, PETRI_TRANSITIONS=88} [2024-11-08 19:22:10,579 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 45 predicate places. [2024-11-08 19:22:10,580 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 88 transitions, 1090 flow [2024-11-08 19:22:10,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 7 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) [2024-11-08 19:22:10,581 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:22:10,581 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:10,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 19:22:10,582 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:22:10,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:10,582 INFO L85 PathProgramCache]: Analyzing trace with hash -364931210, now seen corresponding path program 1 times [2024-11-08 19:22:10,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:10,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872939684] [2024-11-08 19:22:10,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:10,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:10,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:22:10,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:22:10,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872939684] [2024-11-08 19:22:10,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872939684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:10,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:10,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:22:10,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708685201] [2024-11-08 19:22:10,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:10,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:22:10,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:22:10,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:22:10,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:22:10,856 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-08 19:22:10,857 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 88 transitions, 1090 flow. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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) [2024-11-08 19:22:10,857 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:22:10,857 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-08 19:22:10,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:22:11,355 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([373] L792-->L799: Formula: (let ((.cse1 (not (= 0 (mod v_~z$r_buff1_thd3~0_28 256)))) (.cse5 (not (= (mod v_~z$r_buff0_thd3~0_30 256) 0))) (.cse2 (not (= (mod v_~z$w_buff0_used~0_87 256) 0)))) (let ((.cse0 (and .cse5 .cse2)) (.cse3 (and .cse5 (not (= (mod v_~z$w_buff0_used~0_88 256) 0)))) (.cse4 (and .cse1 (not (= (mod v_~z$w_buff1_used~0_75 256) 0))))) (and (= v_~z$r_buff0_thd3~0_29 (ite (= (mod (ite .cse0 0 v_~z$r_buff0_thd3~0_30) 256) 0) 0 1)) (= (ite (= (mod (ite (or (and (not (= (mod v_~z$w_buff1_used~0_74 256) 0)) .cse1) (and (not (= (mod v_~z$r_buff0_thd3~0_29 256) 0)) .cse2)) 0 v_~z$r_buff1_thd3~0_28) 256) 0) 0 1) v_~z$r_buff1_thd3~0_27) (= v_~z$w_buff0_used~0_87 (ite (= (mod (ite .cse3 0 v_~z$w_buff0_used~0_88) 256) 0) 0 1)) (= (ite (= (mod (ite (or .cse0 .cse4) 0 v_~z$w_buff1_used~0_75) 256) 0) 0 1) v_~z$w_buff1_used~0_74) (= v_~z~0_25 (ite .cse3 v_~z$w_buff0~0_23 (ite .cse4 v_~z$w_buff1~0_18 v_~z~0_26)))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_88, ~z$w_buff0~0=v_~z$w_buff0~0_23, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_28, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_75, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_30, ~z$w_buff1~0=v_~z$w_buff1~0_18, ~z~0=v_~z~0_26} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_87, ~z$w_buff0~0=v_~z$w_buff0~0_23, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_27, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_74, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_29, ~z$w_buff1~0=v_~z$w_buff1~0_18, ~z~0=v_~z~0_25} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, ~z$r_buff0_thd3~0, ~z~0][63], [60#(= |ULTIMATE.start_main_old_#valid#1| |#valid|), 42#L769true, 44#L824true, 210#true, Black: 65#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 198#(and (= ~z$w_buff1~0 0) (or (= ~z~0 1) (= ~z~0 0)) (= ~z$w_buff0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 140#(and (= ~z$w_buff1~0 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (= ~z$w_buff0~0 0) (= ~z~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0)) (= ~z$r_buff1_thd0~0 0)), Black: 72#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 138#(and (= ~z$w_buff1~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0)) (= ~z$r_buff1_thd0~0 0)), Black: 74#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 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(mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), Black: 152#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 218#(and (<= (div ~main$tmp_guard1~0 256) 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= (mod ~z$w_buff1_used~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0)) (= ~z$r_buff1_thd0~0 0)), Black: 159#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 215#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 226#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (not (= (mod ~main$tmp_guard1~0 256) 0))), 53#true, 148#true, Black: 163#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 222#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= (mod ~z$w_buff1_used~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0)) (= ~z$r_buff1_thd0~0 0)), Black: 150#(= ~x~0 1), Black: 93#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), Black: 92#(= ~x~0 0), 241#(and (= ~__unbuffered_cnt~0 0) (<= (mod ~main$tmp_guard0~0 256) 0) (<= 0 ~main$tmp_guard0~0)), Black: 176#(and (= ~z~0 1) (= ~z$w_buff1~0 0) (= ~z$w_buff0~0 0)), Black: 117#(= ~y~0 1)]) [2024-11-08 19:22:11,356 INFO L294 olderBase$Statistics]: this new event has 18 ancestors and is cut-off event [2024-11-08 19:22:11,356 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is cut-off event [2024-11-08 19:22:11,356 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is cut-off event [2024-11-08 19:22:11,356 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is cut-off event [2024-11-08 19:22:11,465 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([373] L792-->L799: Formula: (let ((.cse1 (not (= 0 (mod v_~z$r_buff1_thd3~0_28 256)))) (.cse5 (not (= (mod v_~z$r_buff0_thd3~0_30 256) 0))) (.cse2 (not (= (mod v_~z$w_buff0_used~0_87 256) 0)))) (let ((.cse0 (and .cse5 .cse2)) (.cse3 (and .cse5 (not (= (mod v_~z$w_buff0_used~0_88 256) 0)))) (.cse4 (and .cse1 (not (= (mod v_~z$w_buff1_used~0_75 256) 0))))) (and (= v_~z$r_buff0_thd3~0_29 (ite (= (mod (ite .cse0 0 v_~z$r_buff0_thd3~0_30) 256) 0) 0 1)) (= (ite (= (mod (ite (or (and (not (= (mod v_~z$w_buff1_used~0_74 256) 0)) .cse1) (and (not (= (mod v_~z$r_buff0_thd3~0_29 256) 0)) .cse2)) 0 v_~z$r_buff1_thd3~0_28) 256) 0) 0 1) v_~z$r_buff1_thd3~0_27) (= v_~z$w_buff0_used~0_87 (ite (= (mod (ite .cse3 0 v_~z$w_buff0_used~0_88) 256) 0) 0 1)) (= (ite (= (mod (ite (or .cse0 .cse4) 0 v_~z$w_buff1_used~0_75) 256) 0) 0 1) v_~z$w_buff1_used~0_74) (= v_~z~0_25 (ite .cse3 v_~z$w_buff0~0_23 (ite .cse4 v_~z$w_buff1~0_18 v_~z~0_26)))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_88, ~z$w_buff0~0=v_~z$w_buff0~0_23, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_28, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_75, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_30, ~z$w_buff1~0=v_~z$w_buff1~0_18, ~z~0=v_~z~0_26} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_87, ~z$w_buff0~0=v_~z$w_buff0~0_23, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_27, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_74, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_29, ~z$w_buff1~0=v_~z$w_buff1~0_18, ~z~0=v_~z~0_25} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, ~z$r_buff0_thd3~0, ~z~0][84], [60#(= |ULTIMATE.start_main_old_#valid#1| |#valid|), 42#L769true, 44#L824true, 210#true, 239#(and (<= (mod ~main$tmp_guard0~0 256) 0) (<= 0 ~main$tmp_guard0~0)), Black: 65#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 198#(and (= ~z$w_buff1~0 0) (or (= ~z~0 1) (= ~z~0 0)) (= ~z$w_buff0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 140#(and (= ~z$w_buff1~0 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (= ~z$w_buff0~0 0) (= ~z~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0)) (= ~z$r_buff1_thd0~0 0)), Black: 72#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 138#(and (= ~z$w_buff1~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0)) (= ~z$r_buff1_thd0~0 0)), Black: 74#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), 51#true, Black: 133#(and (= ~z$w_buff1~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 63#(<= ~y~0 0), 90#true, 61#true, Black: 76#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), 49#true, Black: 64#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), 23#L799true, Black: 214#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), Black: 161#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 220#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 224#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 213#(and (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= (mod ~z$w_buff1_used~0 256) 0) (= ~z$r_buff1_thd0~0 0)), 14#L762true, Black: 151#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), Black: 152#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 218#(and (<= (div ~main$tmp_guard1~0 256) 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= (mod ~z$w_buff1_used~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0)) (= ~z$r_buff1_thd0~0 0)), Black: 159#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 215#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 226#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (not (= (mod ~main$tmp_guard1~0 256) 0))), 53#true, 148#true, Black: 163#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 222#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= (mod ~z$w_buff1_used~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0)) (= ~z$r_buff1_thd0~0 0)), Black: 150#(= ~x~0 1), Black: 93#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), Black: 92#(= ~x~0 0), Black: 176#(and (= ~z~0 1) (= ~z$w_buff1~0 0) (= ~z$w_buff0~0 0)), Black: 117#(= ~y~0 1)]) [2024-11-08 19:22:11,466 INFO L294 olderBase$Statistics]: this new event has 19 ancestors and is cut-off event [2024-11-08 19:22:11,466 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2024-11-08 19:22:11,466 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2024-11-08 19:22:11,466 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2024-11-08 19:22:11,595 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([373] L792-->L799: Formula: (let ((.cse1 (not (= 0 (mod v_~z$r_buff1_thd3~0_28 256)))) (.cse5 (not (= (mod v_~z$r_buff0_thd3~0_30 256) 0))) (.cse2 (not (= (mod v_~z$w_buff0_used~0_87 256) 0)))) (let ((.cse0 (and .cse5 .cse2)) (.cse3 (and .cse5 (not (= (mod v_~z$w_buff0_used~0_88 256) 0)))) (.cse4 (and .cse1 (not (= (mod v_~z$w_buff1_used~0_75 256) 0))))) (and (= v_~z$r_buff0_thd3~0_29 (ite (= (mod (ite .cse0 0 v_~z$r_buff0_thd3~0_30) 256) 0) 0 1)) (= (ite (= (mod (ite (or (and (not (= (mod v_~z$w_buff1_used~0_74 256) 0)) .cse1) (and (not (= (mod v_~z$r_buff0_thd3~0_29 256) 0)) .cse2)) 0 v_~z$r_buff1_thd3~0_28) 256) 0) 0 1) v_~z$r_buff1_thd3~0_27) (= v_~z$w_buff0_used~0_87 (ite (= (mod (ite .cse3 0 v_~z$w_buff0_used~0_88) 256) 0) 0 1)) (= (ite (= (mod (ite (or .cse0 .cse4) 0 v_~z$w_buff1_used~0_75) 256) 0) 0 1) v_~z$w_buff1_used~0_74) (= v_~z~0_25 (ite .cse3 v_~z$w_buff0~0_23 (ite .cse4 v_~z$w_buff1~0_18 v_~z~0_26)))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_88, ~z$w_buff0~0=v_~z$w_buff0~0_23, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_28, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_75, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_30, ~z$w_buff1~0=v_~z$w_buff1~0_18, ~z~0=v_~z~0_26} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_87, ~z$w_buff0~0=v_~z$w_buff0~0_23, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_27, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_74, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_29, ~z$w_buff1~0=v_~z$w_buff1~0_18, ~z~0=v_~z~0_25} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, ~z$r_buff0_thd3~0, ~z~0][84], [60#(= |ULTIMATE.start_main_old_#valid#1| |#valid|), 42#L769true, 44#L824true, 210#true, 239#(and (<= (mod ~main$tmp_guard0~0 256) 0) (<= 0 ~main$tmp_guard0~0)), Black: 65#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 198#(and (= ~z$w_buff1~0 0) (or (= ~z~0 1) (= ~z~0 0)) (= ~z$w_buff0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 140#(and (= ~z$w_buff1~0 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (= ~z$w_buff0~0 0) (= ~z~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0)) (= ~z$r_buff1_thd0~0 0)), Black: 72#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 138#(and (= ~z$w_buff1~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0)) (= ~z$r_buff1_thd0~0 0)), 51#true, Black: 74#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 133#(and (= ~z$w_buff1~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 63#(<= ~y~0 0), 90#true, 61#true, Black: 76#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), 49#true, Black: 64#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), 23#L799true, Black: 214#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), Black: 220#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 161#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 224#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 213#(and (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= (mod ~z$w_buff1_used~0 256) 0) (= ~z$r_buff1_thd0~0 0)), Black: 151#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), Black: 152#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 218#(and (<= (div ~main$tmp_guard1~0 256) 0) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= (mod ~z$w_buff1_used~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0)) (= ~z$r_buff1_thd0~0 0)), Black: 159#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 215#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 226#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (not (= (mod ~main$tmp_guard1~0 256) 0))), 53#true, 148#true, Black: 163#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 222#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= (mod ~z$w_buff1_used~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0)) (= ~z$r_buff1_thd0~0 0)), Black: 150#(= ~x~0 1), Black: 93#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), 38#P0EXITtrue, Black: 92#(= ~x~0 0), Black: 176#(and (= ~z~0 1) (= ~z$w_buff1~0 0) (= ~z$w_buff0~0 0)), Black: 117#(= ~y~0 1)]) [2024-11-08 19:22:11,595 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is cut-off event [2024-11-08 19:22:11,596 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2024-11-08 19:22:11,596 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2024-11-08 19:22:11,596 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2024-11-08 19:22:13,000 INFO L124 PetriNetUnfolderBase]: 6633/10569 cut-off events. [2024-11-08 19:22:13,001 INFO L125 PetriNetUnfolderBase]: For 97646/100947 co-relation queries the response was YES. [2024-11-08 19:22:13,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51675 conditions, 10569 events. 6633/10569 cut-off events. For 97646/100947 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 71253 event pairs, 1018 based on Foata normal form. 1950/12128 useless extension candidates. Maximal degree in co-relation 51629. Up to 5701 conditions per place. [2024-11-08 19:22:13,169 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 79 selfloop transitions, 5 changer transitions 6/123 dead transitions. [2024-11-08 19:22:13,170 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 123 transitions, 1635 flow [2024-11-08 19:22:13,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:22:13,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 19:22:13,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 108 transitions. [2024-11-08 19:22:13,175 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6136363636363636 [2024-11-08 19:22:13,176 INFO L175 Difference]: Start difference. First operand has 94 places, 88 transitions, 1090 flow. Second operand 4 states and 108 transitions. [2024-11-08 19:22:13,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 123 transitions, 1635 flow [2024-11-08 19:22:13,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 123 transitions, 1595 flow, removed 20 selfloop flow, removed 6 redundant places. [2024-11-08 19:22:13,394 INFO L231 Difference]: Finished difference. Result has 87 places, 86 transitions, 1019 flow [2024-11-08 19:22:13,394 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=981, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1019, PETRI_PLACES=87, PETRI_TRANSITIONS=86} [2024-11-08 19:22:13,395 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 38 predicate places. [2024-11-08 19:22:13,395 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 86 transitions, 1019 flow [2024-11-08 19:22:13,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 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) [2024-11-08 19:22:13,396 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:22:13,397 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:13,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 19:22:13,397 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:22:13,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:13,398 INFO L85 PathProgramCache]: Analyzing trace with hash 2047113351, now seen corresponding path program 1 times [2024-11-08 19:22:13,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:13,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823521682] [2024-11-08 19:22:13,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:13,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:22:13,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:22:13,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823521682] [2024-11-08 19:22:13,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823521682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:13,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:13,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:22:13,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529402653] [2024-11-08 19:22:13,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:13,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:22:13,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:22:13,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:22:13,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:22:13,735 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-08 19:22:13,736 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 86 transitions, 1019 flow. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 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) [2024-11-08 19:22:13,736 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:22:13,737 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-08 19:22:13,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:22:14,269 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([373] L792-->L799: Formula: (let ((.cse1 (not (= 0 (mod v_~z$r_buff1_thd3~0_28 256)))) (.cse5 (not (= (mod v_~z$r_buff0_thd3~0_30 256) 0))) (.cse2 (not (= (mod v_~z$w_buff0_used~0_87 256) 0)))) (let ((.cse0 (and .cse5 .cse2)) (.cse3 (and .cse5 (not (= (mod v_~z$w_buff0_used~0_88 256) 0)))) (.cse4 (and .cse1 (not (= (mod v_~z$w_buff1_used~0_75 256) 0))))) (and (= v_~z$r_buff0_thd3~0_29 (ite (= (mod (ite .cse0 0 v_~z$r_buff0_thd3~0_30) 256) 0) 0 1)) (= (ite (= (mod (ite (or (and (not (= (mod v_~z$w_buff1_used~0_74 256) 0)) .cse1) (and (not (= (mod v_~z$r_buff0_thd3~0_29 256) 0)) .cse2)) 0 v_~z$r_buff1_thd3~0_28) 256) 0) 0 1) v_~z$r_buff1_thd3~0_27) (= v_~z$w_buff0_used~0_87 (ite (= (mod (ite .cse3 0 v_~z$w_buff0_used~0_88) 256) 0) 0 1)) (= (ite (= (mod (ite (or .cse0 .cse4) 0 v_~z$w_buff1_used~0_75) 256) 0) 0 1) v_~z$w_buff1_used~0_74) (= v_~z~0_25 (ite .cse3 v_~z$w_buff0~0_23 (ite .cse4 v_~z$w_buff1~0_18 v_~z~0_26)))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_88, ~z$w_buff0~0=v_~z$w_buff0~0_23, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_28, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_75, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_30, ~z$w_buff1~0=v_~z$w_buff1~0_18, ~z~0=v_~z~0_26} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_87, ~z$w_buff0~0=v_~z$w_buff0~0_23, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_27, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_74, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_29, ~z$w_buff1~0=v_~z$w_buff1~0_18, ~z~0=v_~z~0_25} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, ~z$r_buff0_thd3~0, ~z~0][63], [60#(= |ULTIMATE.start_main_old_#valid#1| |#valid|), 42#L769true, 44#L824true, 210#true, Black: 140#(and (= ~z$w_buff1~0 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (= ~z$w_buff0~0 0) (= ~z~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0)) (= ~z$r_buff1_thd0~0 0)), Black: 65#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 198#(and (= ~z$w_buff1~0 0) (or (= ~z~0 1) (= ~z~0 0)) (= ~z$w_buff0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 138#(and (= ~z$w_buff1~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0)) (= ~z$r_buff1_thd0~0 0)), Black: 72#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 74#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), 51#true, Black: 133#(and (= ~z$w_buff1~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 63#(<= ~y~0 0), 90#true, 61#true, Black: 76#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), 49#true, Black: 64#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), 250#(and (= ~__unbuffered_cnt~0 0) (<= (mod ~main$tmp_guard0~0 256) 0) (<= 0 ~main$tmp_guard0~0)), 21#L759true, 23#L799true, Black: 214#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), Black: 161#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 213#(and (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= (mod ~z$w_buff1_used~0 256) 0) (= ~z$r_buff1_thd0~0 0)), Black: 151#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), Black: 152#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 159#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (not (= (mod ~main$tmp_guard1~0 256) 0))), 53#true, 148#true, Black: 163#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 150#(= ~x~0 1), Black: 93#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), Black: 92#(= ~x~0 0), Black: 239#(and (<= (mod ~main$tmp_guard0~0 256) 0) (<= 0 ~main$tmp_guard0~0)), 241#(and (= ~__unbuffered_cnt~0 0) (<= (mod ~main$tmp_guard0~0 256) 0) (<= 0 ~main$tmp_guard0~0)), Black: 176#(and (= ~z~0 1) (= ~z$w_buff1~0 0) (= ~z$w_buff0~0 0)), Black: 117#(= ~y~0 1)]) [2024-11-08 19:22:14,269 INFO L294 olderBase$Statistics]: this new event has 18 ancestors and is cut-off event [2024-11-08 19:22:14,269 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is cut-off event [2024-11-08 19:22:14,270 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is cut-off event [2024-11-08 19:22:14,270 INFO L297 olderBase$Statistics]: existing Event has 18 ancestors and is cut-off event [2024-11-08 19:22:14,351 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([373] L792-->L799: Formula: (let ((.cse1 (not (= 0 (mod v_~z$r_buff1_thd3~0_28 256)))) (.cse5 (not (= (mod v_~z$r_buff0_thd3~0_30 256) 0))) (.cse2 (not (= (mod v_~z$w_buff0_used~0_87 256) 0)))) (let ((.cse0 (and .cse5 .cse2)) (.cse3 (and .cse5 (not (= (mod v_~z$w_buff0_used~0_88 256) 0)))) (.cse4 (and .cse1 (not (= (mod v_~z$w_buff1_used~0_75 256) 0))))) (and (= v_~z$r_buff0_thd3~0_29 (ite (= (mod (ite .cse0 0 v_~z$r_buff0_thd3~0_30) 256) 0) 0 1)) (= (ite (= (mod (ite (or (and (not (= (mod v_~z$w_buff1_used~0_74 256) 0)) .cse1) (and (not (= (mod v_~z$r_buff0_thd3~0_29 256) 0)) .cse2)) 0 v_~z$r_buff1_thd3~0_28) 256) 0) 0 1) v_~z$r_buff1_thd3~0_27) (= v_~z$w_buff0_used~0_87 (ite (= (mod (ite .cse3 0 v_~z$w_buff0_used~0_88) 256) 0) 0 1)) (= (ite (= (mod (ite (or .cse0 .cse4) 0 v_~z$w_buff1_used~0_75) 256) 0) 0 1) v_~z$w_buff1_used~0_74) (= v_~z~0_25 (ite .cse3 v_~z$w_buff0~0_23 (ite .cse4 v_~z$w_buff1~0_18 v_~z~0_26)))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_88, ~z$w_buff0~0=v_~z$w_buff0~0_23, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_28, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_75, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_30, ~z$w_buff1~0=v_~z$w_buff1~0_18, ~z~0=v_~z~0_26} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_87, ~z$w_buff0~0=v_~z$w_buff0~0_23, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_27, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_74, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_29, ~z$w_buff1~0=v_~z$w_buff1~0_18, ~z~0=v_~z~0_25} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, ~z$r_buff0_thd3~0, ~z~0][80], [60#(= |ULTIMATE.start_main_old_#valid#1| |#valid|), 42#L769true, 44#L824true, 210#true, 239#(and (<= (mod ~main$tmp_guard0~0 256) 0) (<= 0 ~main$tmp_guard0~0)), Black: 140#(and (= ~z$w_buff1~0 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (= ~z$w_buff0~0 0) (= ~z~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0)) (= ~z$r_buff1_thd0~0 0)), Black: 65#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 198#(and (= ~z$w_buff1~0 0) (or (= ~z~0 1) (= ~z~0 0)) (= ~z$w_buff0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 138#(and (= ~z$w_buff1~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0)) (= ~z$r_buff1_thd0~0 0)), Black: 72#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 74#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), 51#true, Black: 133#(and (= ~z$w_buff1~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 63#(<= ~y~0 0), 90#true, 61#true, Black: 76#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), 49#true, Black: 64#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), 23#L799true, Black: 214#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), Black: 161#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), 14#L762true, Black: 213#(and (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= (mod ~z$w_buff1_used~0 256) 0) (= ~z$r_buff1_thd0~0 0)), Black: 151#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), Black: 152#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 159#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (not (= (mod ~main$tmp_guard1~0 256) 0))), 53#true, 148#true, Black: 163#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), 252#(and (<= ~__unbuffered_cnt~0 1) (<= (mod ~main$tmp_guard0~0 256) 0) (<= 0 ~main$tmp_guard0~0)), Black: 150#(= ~x~0 1), Black: 93#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), Black: 92#(= ~x~0 0), Black: 241#(and (= ~__unbuffered_cnt~0 0) (<= (mod ~main$tmp_guard0~0 256) 0) (<= 0 ~main$tmp_guard0~0)), Black: 176#(and (= ~z~0 1) (= ~z$w_buff1~0 0) (= ~z$w_buff0~0 0)), Black: 117#(= ~y~0 1)]) [2024-11-08 19:22:14,351 INFO L294 olderBase$Statistics]: this new event has 19 ancestors and is cut-off event [2024-11-08 19:22:14,352 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2024-11-08 19:22:14,352 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2024-11-08 19:22:14,352 INFO L297 olderBase$Statistics]: existing Event has 19 ancestors and is cut-off event [2024-11-08 19:22:14,516 INFO L292 olderBase$Statistics]: inserting event number 4 for the transition-marking pair ([373] L792-->L799: Formula: (let ((.cse1 (not (= 0 (mod v_~z$r_buff1_thd3~0_28 256)))) (.cse5 (not (= (mod v_~z$r_buff0_thd3~0_30 256) 0))) (.cse2 (not (= (mod v_~z$w_buff0_used~0_87 256) 0)))) (let ((.cse0 (and .cse5 .cse2)) (.cse3 (and .cse5 (not (= (mod v_~z$w_buff0_used~0_88 256) 0)))) (.cse4 (and .cse1 (not (= (mod v_~z$w_buff1_used~0_75 256) 0))))) (and (= v_~z$r_buff0_thd3~0_29 (ite (= (mod (ite .cse0 0 v_~z$r_buff0_thd3~0_30) 256) 0) 0 1)) (= (ite (= (mod (ite (or (and (not (= (mod v_~z$w_buff1_used~0_74 256) 0)) .cse1) (and (not (= (mod v_~z$r_buff0_thd3~0_29 256) 0)) .cse2)) 0 v_~z$r_buff1_thd3~0_28) 256) 0) 0 1) v_~z$r_buff1_thd3~0_27) (= v_~z$w_buff0_used~0_87 (ite (= (mod (ite .cse3 0 v_~z$w_buff0_used~0_88) 256) 0) 0 1)) (= (ite (= (mod (ite (or .cse0 .cse4) 0 v_~z$w_buff1_used~0_75) 256) 0) 0 1) v_~z$w_buff1_used~0_74) (= v_~z~0_25 (ite .cse3 v_~z$w_buff0~0_23 (ite .cse4 v_~z$w_buff1~0_18 v_~z~0_26)))))) InVars {~z$w_buff0_used~0=v_~z$w_buff0_used~0_88, ~z$w_buff0~0=v_~z$w_buff0~0_23, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_28, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_75, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_30, ~z$w_buff1~0=v_~z$w_buff1~0_18, ~z~0=v_~z~0_26} OutVars{~z$w_buff0_used~0=v_~z$w_buff0_used~0_87, ~z$w_buff0~0=v_~z$w_buff0~0_23, ~z$r_buff1_thd3~0=v_~z$r_buff1_thd3~0_27, ~z$w_buff1_used~0=v_~z$w_buff1_used~0_74, ~z$r_buff0_thd3~0=v_~z$r_buff0_thd3~0_29, ~z$w_buff1~0=v_~z$w_buff1~0_18, ~z~0=v_~z~0_25} AuxVars[] AssignedVars[~z$w_buff0_used~0, ~z$r_buff1_thd3~0, ~z$w_buff1_used~0, ~z$r_buff0_thd3~0, ~z~0][80], [60#(= |ULTIMATE.start_main_old_#valid#1| |#valid|), 42#L769true, 44#L824true, 210#true, 239#(and (<= (mod ~main$tmp_guard0~0 256) 0) (<= 0 ~main$tmp_guard0~0)), Black: 140#(and (= ~z$w_buff1~0 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (= ~z$w_buff0~0 0) (= ~z~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0)) (= ~z$r_buff1_thd0~0 0)), Black: 65#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 198#(and (= ~z$w_buff1~0 0) (or (= ~z~0 1) (= ~z~0 0)) (= ~z$w_buff0~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 138#(and (= ~z$w_buff1~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (not (= (mod ~main$tmp_guard1~0 256) 0)) (= ~z$r_buff1_thd0~0 0)), Black: 72#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 74#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), 51#true, Black: 133#(and (= ~z$w_buff1~0 0) (= ~z$w_buff0~0 0) (= ~z~0 0) (= ~z$r_buff1_thd0~0 0)), Black: 63#(<= ~y~0 0), 90#true, 61#true, Black: 76#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), 49#true, Black: 64#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), 23#L799true, Black: 214#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), Black: 161#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 213#(and (= ~z$r_buff0_thd0~0 0) (= ~z~0 0) (= (mod ~z$w_buff1_used~0 256) 0) (= ~z$r_buff1_thd0~0 0)), Black: 151#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), Black: 152#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= (mod ~main$tmp_guard1~0 256) 0))), Black: 159#(and (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (not (= (mod ~main$tmp_guard1~0 256) 0))), 53#true, 148#true, Black: 163#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (<= (div ~main$tmp_guard1~0 256) 0) (not (= |ULTIMATE.start___VERIFIER_assert_~expression#1| 0)) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~main$tmp_guard1~0 256) 0))), 252#(and (<= ~__unbuffered_cnt~0 1) (<= (mod ~main$tmp_guard0~0 256) 0) (<= 0 ~main$tmp_guard0~0)), Black: 150#(= ~x~0 1), Black: 93#(and (or (not (= 2 ~y~0)) (= (mod ~z$r_buff1_thd0~0 256) 0) (not (= ~z$w_buff1~0 2)) (not (= 2 ~x~0)) (= (mod ~z$w_buff1_used~0 256) 0) (= 0 (mod ~z$w_buff0_used~0 256)) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (and (not (= (mod ~z$r_buff1_thd0~0 256) 0)) (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= (mod ~z$w_buff1_used~0 256) 0))) (and (not (= 0 (mod ~z$w_buff0_used~0 256))) (not (= 0 (mod ~z$r_buff0_thd0~0 256)))) (not (= 2 ~z~0))) (or (not (= 2 ~y~0)) (not (= 2 ~x~0)) (= 0 (mod ~z$r_buff0_thd0~0 256)) (not (= ~z$w_buff0~0 2)) (= 0 (mod ~z$w_buff0_used~0 256)))), 38#P0EXITtrue, Black: 92#(= ~x~0 0), Black: 241#(and (= ~__unbuffered_cnt~0 0) (<= (mod ~main$tmp_guard0~0 256) 0) (<= 0 ~main$tmp_guard0~0)), Black: 176#(and (= ~z~0 1) (= ~z$w_buff1~0 0) (= ~z$w_buff0~0 0)), Black: 117#(= ~y~0 1)]) [2024-11-08 19:22:14,517 INFO L294 olderBase$Statistics]: this new event has 20 ancestors and is cut-off event [2024-11-08 19:22:14,517 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2024-11-08 19:22:14,517 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2024-11-08 19:22:14,517 INFO L297 olderBase$Statistics]: existing Event has 20 ancestors and is cut-off event [2024-11-08 19:22:15,189 INFO L124 PetriNetUnfolderBase]: 4618/7370 cut-off events. [2024-11-08 19:22:15,189 INFO L125 PetriNetUnfolderBase]: For 54185/56190 co-relation queries the response was YES. [2024-11-08 19:22:15,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34907 conditions, 7370 events. 4618/7370 cut-off events. For 54185/56190 co-relation queries the response was YES. Maximal size of possible extension queue 424. Compared 47430 event pairs, 435 based on Foata normal form. 1272/8301 useless extension candidates. Maximal degree in co-relation 34863. Up to 2597 conditions per place. [2024-11-08 19:22:15,255 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 79 selfloop transitions, 8 changer transitions 16/133 dead transitions. [2024-11-08 19:22:15,255 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 133 transitions, 1678 flow [2024-11-08 19:22:15,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:22:15,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 19:22:15,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 137 transitions. [2024-11-08 19:22:15,257 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6227272727272727 [2024-11-08 19:22:15,257 INFO L175 Difference]: Start difference. First operand has 87 places, 86 transitions, 1019 flow. Second operand 5 states and 137 transitions. [2024-11-08 19:22:15,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 133 transitions, 1678 flow [2024-11-08 19:22:15,328 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 133 transitions, 1650 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-11-08 19:22:15,331 INFO L231 Difference]: Finished difference. Result has 90 places, 81 transitions, 904 flow [2024-11-08 19:22:15,331 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=978, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=904, PETRI_PLACES=90, PETRI_TRANSITIONS=81} [2024-11-08 19:22:15,332 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 41 predicate places. [2024-11-08 19:22:15,332 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 81 transitions, 904 flow [2024-11-08 19:22:15,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 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) [2024-11-08 19:22:15,333 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:22:15,333 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:15,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 19:22:15,334 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:22:15,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:15,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1030053428, now seen corresponding path program 1 times [2024-11-08 19:22:15,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:15,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119961573] [2024-11-08 19:22:15,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:15,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:17,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:22:17,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:22:17,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119961573] [2024-11-08 19:22:17,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119961573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:17,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:17,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:22:17,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856236732] [2024-11-08 19:22:17,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:17,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 19:22:17,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:22:17,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 19:22:17,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:22:17,088 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 44 [2024-11-08 19:22:17,089 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 81 transitions, 904 flow. Second operand has 9 states, 9 states have (on average 18.77777777777778) internal successors, (169), 9 states have internal predecessors, (169), 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) [2024-11-08 19:22:17,089 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:22:17,089 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 44 [2024-11-08 19:22:17,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:22:18,676 INFO L124 PetriNetUnfolderBase]: 3248/6253 cut-off events. [2024-11-08 19:22:18,677 INFO L125 PetriNetUnfolderBase]: For 31534/33181 co-relation queries the response was YES. [2024-11-08 19:22:18,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27203 conditions, 6253 events. 3248/6253 cut-off events. For 31534/33181 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 50029 event pairs, 1073 based on Foata normal form. 489/6189 useless extension candidates. Maximal degree in co-relation 27172. Up to 2858 conditions per place. [2024-11-08 19:22:18,728 INFO L140 encePairwiseOnDemand]: 36/44 looper letters, 44 selfloop transitions, 19 changer transitions 38/139 dead transitions. [2024-11-08 19:22:18,728 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 139 transitions, 1585 flow [2024-11-08 19:22:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:22:18,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-08 19:22:18,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 224 transitions. [2024-11-08 19:22:18,730 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5656565656565656 [2024-11-08 19:22:18,730 INFO L175 Difference]: Start difference. First operand has 90 places, 81 transitions, 904 flow. Second operand 9 states and 224 transitions. [2024-11-08 19:22:18,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 139 transitions, 1585 flow [2024-11-08 19:22:18,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 95 places, 139 transitions, 1546 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-11-08 19:22:18,792 INFO L231 Difference]: Finished difference. Result has 100 places, 82 transitions, 977 flow [2024-11-08 19:22:18,793 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=870, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=977, PETRI_PLACES=100, PETRI_TRANSITIONS=82} [2024-11-08 19:22:18,793 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 51 predicate places. [2024-11-08 19:22:18,794 INFO L471 AbstractCegarLoop]: Abstraction has has 100 places, 82 transitions, 977 flow [2024-11-08 19:22:18,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.77777777777778) internal successors, (169), 9 states have internal predecessors, (169), 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) [2024-11-08 19:22:18,794 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:22:18,795 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:18,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 19:22:18,795 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:22:18,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:18,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1349137058, now seen corresponding path program 1 times [2024-11-08 19:22:18,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:18,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423712609] [2024-11-08 19:22:18,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:18,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:22:19,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:22:19,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423712609] [2024-11-08 19:22:19,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423712609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:19,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:19,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:22:19,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173231468] [2024-11-08 19:22:19,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:19,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:22:19,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:22:19,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:22:19,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:22:19,187 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-08 19:22:19,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 82 transitions, 977 flow. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 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) [2024-11-08 19:22:19,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:22:19,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-08 19:22:19,188 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:22:20,827 INFO L124 PetriNetUnfolderBase]: 3900/6494 cut-off events. [2024-11-08 19:22:20,827 INFO L125 PetriNetUnfolderBase]: For 57450/58703 co-relation queries the response was YES. [2024-11-08 19:22:20,869 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30586 conditions, 6494 events. 3900/6494 cut-off events. For 57450/58703 co-relation queries the response was YES. Maximal size of possible extension queue 398. Compared 43629 event pairs, 396 based on Foata normal form. 881/7154 useless extension candidates. Maximal degree in co-relation 30550. Up to 2464 conditions per place. [2024-11-08 19:22:20,877 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 58 selfloop transitions, 11 changer transitions 30/120 dead transitions. [2024-11-08 19:22:20,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 120 transitions, 1554 flow [2024-11-08 19:22:20,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:22:20,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 19:22:20,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 150 transitions. [2024-11-08 19:22:20,879 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5681818181818182 [2024-11-08 19:22:20,879 INFO L175 Difference]: Start difference. First operand has 100 places, 82 transitions, 977 flow. Second operand 6 states and 150 transitions. [2024-11-08 19:22:20,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 120 transitions, 1554 flow [2024-11-08 19:22:20,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 120 transitions, 1364 flow, removed 85 selfloop flow, removed 11 redundant places. [2024-11-08 19:22:20,977 INFO L231 Difference]: Finished difference. Result has 92 places, 64 transitions, 622 flow [2024-11-08 19:22:20,977 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=843, PETRI_DIFFERENCE_MINUEND_PLACES=85, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=622, PETRI_PLACES=92, PETRI_TRANSITIONS=64} [2024-11-08 19:22:20,978 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 43 predicate places. [2024-11-08 19:22:20,978 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 64 transitions, 622 flow [2024-11-08 19:22:20,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 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) [2024-11-08 19:22:20,979 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:22:20,979 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:20,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 19:22:20,979 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:22:20,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:20,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1860468819, now seen corresponding path program 1 times [2024-11-08 19:22:20,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:20,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825105877] [2024-11-08 19:22:20,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:20,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:23,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:22:23,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:22:23,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825105877] [2024-11-08 19:22:23,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825105877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:23,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:23,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 19:22:23,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983511151] [2024-11-08 19:22:23,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:23,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:22:23,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:22:23,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:22:23,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:22:23,272 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 44 [2024-11-08 19:22:23,273 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 64 transitions, 622 flow. Second operand has 10 states, 10 states have (on average 18.7) internal successors, (187), 10 states have internal predecessors, (187), 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) [2024-11-08 19:22:23,273 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:22:23,273 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 44 [2024-11-08 19:22:23,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:22:23,895 INFO L124 PetriNetUnfolderBase]: 843/1745 cut-off events. [2024-11-08 19:22:23,895 INFO L125 PetriNetUnfolderBase]: For 8026/8377 co-relation queries the response was YES. [2024-11-08 19:22:23,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6871 conditions, 1745 events. 843/1745 cut-off events. For 8026/8377 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 11548 event pairs, 234 based on Foata normal form. 78/1647 useless extension candidates. Maximal degree in co-relation 6842. Up to 621 conditions per place. [2024-11-08 19:22:23,909 INFO L140 encePairwiseOnDemand]: 37/44 looper letters, 32 selfloop transitions, 6 changer transitions 23/89 dead transitions. [2024-11-08 19:22:23,909 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 89 transitions, 831 flow [2024-11-08 19:22:23,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:22:23,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-08 19:22:23,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 166 transitions. [2024-11-08 19:22:23,911 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.538961038961039 [2024-11-08 19:22:23,911 INFO L175 Difference]: Start difference. First operand has 92 places, 64 transitions, 622 flow. Second operand 7 states and 166 transitions. [2024-11-08 19:22:23,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 89 transitions, 831 flow [2024-11-08 19:22:23,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 89 transitions, 670 flow, removed 46 selfloop flow, removed 16 redundant places. [2024-11-08 19:22:23,936 INFO L231 Difference]: Finished difference. Result has 85 places, 57 transitions, 401 flow [2024-11-08 19:22:23,936 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=401, PETRI_PLACES=85, PETRI_TRANSITIONS=57} [2024-11-08 19:22:23,937 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 36 predicate places. [2024-11-08 19:22:23,937 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 57 transitions, 401 flow [2024-11-08 19:22:23,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.7) internal successors, (187), 10 states have internal predecessors, (187), 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) [2024-11-08 19:22:23,937 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:22:23,938 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:23,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 19:22:23,938 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:22:23,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:23,939 INFO L85 PathProgramCache]: Analyzing trace with hash -462981715, now seen corresponding path program 2 times [2024-11-08 19:22:23,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:22:23,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559476332] [2024-11-08 19:22:23,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:23,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:22:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:22:24,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:22:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:22:24,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:22:24,190 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:22:24,191 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-08 19:22:24,197 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-08 19:22:24,198 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-08 19:22:24,199 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-08 19:22:24,199 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-08 19:22:24,199 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-11-08 19:22:24,199 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-08 19:22:24,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 19:22:24,200 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:24,339 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 19:22:24,340 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:22:24,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:22:24 BasicIcfg [2024-11-08 19:22:24,346 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:22:24,347 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:22:24,347 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:22:24,347 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:22:24,348 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:21:42" (3/4) ... [2024-11-08 19:22:24,351 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:22:24,352 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:22:24,353 INFO L158 Benchmark]: Toolchain (without parser) took 44432.99ms. Allocated memory was 142.6MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 102.7MB in the beginning and 787.8MB in the end (delta: -685.0MB). Peak memory consumption was 965.8MB. Max. memory is 16.1GB. [2024-11-08 19:22:24,354 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 100.7MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:22:24,354 INFO L158 Benchmark]: CACSL2BoogieTranslator took 992.84ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 76.2MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 19:22:24,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.90ms. Allocated memory is still 142.6MB. Free memory was 76.2MB in the beginning and 73.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:22:24,355 INFO L158 Benchmark]: Boogie Preprocessor took 110.63ms. Allocated memory is still 142.6MB. Free memory was 73.3MB in the beginning and 69.6MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:22:24,355 INFO L158 Benchmark]: RCFGBuilder took 1297.98ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 69.6MB in the beginning and 119.8MB in the end (delta: -50.3MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-11-08 19:22:24,357 INFO L158 Benchmark]: TraceAbstraction took 41912.20ms. Allocated memory was 195.0MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 118.8MB in the beginning and 787.8MB in the end (delta: -669.0MB). Peak memory consumption was 929.1MB. Max. memory is 16.1GB. [2024-11-08 19:22:24,358 INFO L158 Benchmark]: Witness Printer took 5.68ms. Allocated memory is still 1.8GB. Free memory is still 787.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:22:24,360 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 100.7MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 992.84ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 76.2MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.90ms. Allocated memory is still 142.6MB. Free memory was 76.2MB in the beginning and 73.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.63ms. Allocated memory is still 142.6MB. Free memory was 73.3MB in the beginning and 69.6MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1297.98ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 69.6MB in the beginning and 119.8MB in the end (delta: -50.3MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * TraceAbstraction took 41912.20ms. Allocated memory was 195.0MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 118.8MB in the beginning and 787.8MB in the end (delta: -669.0MB). Peak memory consumption was 929.1MB. Max. memory is 16.1GB. * Witness Printer took 5.68ms. Allocated memory is still 1.8GB. Free memory is still 787.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L710] 0 _Bool main$tmp_guard0; [L711] 0 _Bool main$tmp_guard1; [L713] 0 int x = 0; [L715] 0 int y = 0; [L717] 0 int z = 0; [L718] 0 _Bool z$flush_delayed; [L719] 0 int z$mem_tmp; [L720] 0 _Bool z$r_buff0_thd0; [L721] 0 _Bool z$r_buff0_thd1; [L722] 0 _Bool z$r_buff0_thd2; [L723] 0 _Bool z$r_buff0_thd3; [L724] 0 _Bool z$r_buff1_thd0; [L725] 0 _Bool z$r_buff1_thd1; [L726] 0 _Bool z$r_buff1_thd2; [L727] 0 _Bool z$r_buff1_thd3; [L728] 0 _Bool z$read_delayed; [L729] 0 int *z$read_delayed_var; [L730] 0 int z$w_buff0; [L731] 0 _Bool z$w_buff0_used; [L732] 0 int z$w_buff1; [L733] 0 _Bool z$w_buff1_used; [L734] 0 _Bool weak$$choice0; [L735] 0 _Bool weak$$choice2; [L816] 0 pthread_t t2489; [L817] FCALL, FORK 0 pthread_create(&t2489, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, t2489=-3, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L818] 0 pthread_t t2490; [L819] FCALL, FORK 0 pthread_create(&t2490, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, t2489=-3, t2490=-2, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L820] 0 pthread_t t2491; [L821] FCALL, FORK 0 pthread_create(&t2491, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, t2489=-3, t2490=-2, t2491=-1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L739] 1 z$w_buff1 = z$w_buff0 [L740] 1 z$w_buff0 = 2 [L741] 1 z$w_buff1_used = z$w_buff0_used [L742] 1 z$w_buff0_used = (_Bool)1 [L743] CALL 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L743] RET 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L744] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L745] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L746] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L747] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L748] 1 z$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L751] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L768] 2 x = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L771] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L774] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L775] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L776] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L777] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L778] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L788] 3 y = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L791] 3 z = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=1] [L794] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L795] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L796] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L797] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L798] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=1] [L754] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L755] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L756] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L757] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L758] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=2] [L761] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=2] [L781] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=2] [L801] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=2] [L823] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2489=-3, t2490=-2, t2491=-1, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=2] [L825] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L825] RET 0 assume_abort_if_not(main$tmp_guard0) [L827] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L828] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L829] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L830] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L831] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2489=-3, t2490=-2, t2491=-1, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=2] [L834] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L835] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L836] 0 z$flush_delayed = weak$$choice2 [L837] 0 z$mem_tmp = z [L838] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L839] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L840] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L841] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L842] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L843] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L844] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L845] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2) [L846] 0 z = z$flush_delayed ? z$mem_tmp : z [L847] 0 z$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2489=-3, t2490=-2, t2491=-1, weak$$choice0=1, weak$$choice2=1, x=2, y=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=2] [L849] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=2] [L17] 0 __assert_fail ("0", "safe030_power.oepc_pso.oepc_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=2] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 819]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 821]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 68 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 41.6s, OverallIterations: 16, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 27.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 757 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 718 mSDsluCounter, 290 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 221 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2176 IncrementalHoareTripleChecker+Invalid, 2269 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 69 mSDtfsCounter, 2176 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1090occurred in iteration=10, InterpolantAutomatonStates: 109, 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: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 12.9s InterpolantComputationTime, 329 NumberOfCodeBlocks, 329 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 284 ConstructedInterpolants, 0 QuantifiedInterpolants, 2375 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:22:24,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe030_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX --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 bd5019d3aed54929cd262296b7eb8866c696444f31311cf49176222c13f665a6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:22:27,472 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:22:27,597 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-08 19:22:27,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:22:27,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:22:27,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:22:27,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:22:27,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:22:27,654 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:22:27,655 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:22:27,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:22:27,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:22:27,657 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:22:27,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:22:27,661 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:22:27,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:22:27,662 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:22:27,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:22:27,663 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:22:27,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:22:27,668 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 19:22:27,668 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 19:22:27,669 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 19:22:27,669 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:22:27,670 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:22:27,670 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:22:27,670 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:22:27,671 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:22:27,671 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:22:27,671 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:22:27,675 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:22:27,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:22:27,676 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:22:27,677 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:22:27,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:22:27,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:22:27,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:22:27,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:22:27,680 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 19:22:27,681 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:22:27,681 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:22:27,681 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:22:27,682 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:22:27,682 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:22:27,682 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release 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_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX 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 -> bd5019d3aed54929cd262296b7eb8866c696444f31311cf49176222c13f665a6 [2024-11-08 19:22:28,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:22:28,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:22:28,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:22:28,285 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:22:28,286 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:22:28,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-wmm/safe030_power.oepc_pso.oepc_rmo.oepc.i Unable to find full path for "g++" [2024-11-08 19:22:30,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:22:31,334 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:22:31,335 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/sv-benchmarks/c/pthread-wmm/safe030_power.oepc_pso.oepc_rmo.oepc.i [2024-11-08 19:22:31,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/data/38c14f0ac/bde2c36ea34d402c9f7b54d7798e139f/FLAGf6247945e [2024-11-08 19:22:31,388 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/data/38c14f0ac/bde2c36ea34d402c9f7b54d7798e139f [2024-11-08 19:22:31,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:22:31,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:22:31,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:22:31,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:22:31,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:22:31,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:22:31" (1/1) ... [2024-11-08 19:22:31,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515ed961 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:31, skipping insertion in model container [2024-11-08 19:22:31,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:22:31" (1/1) ... [2024-11-08 19:22:31,499 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:22:32,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:22:32,155 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:22:32,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:22:32,350 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:22:32,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:32 WrapperNode [2024-11-08 19:22:32,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:22:32,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:22:32,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:22:32,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:22:32,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:32" (1/1) ... [2024-11-08 19:22:32,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:32" (1/1) ... [2024-11-08 19:22:32,432 INFO L138 Inliner]: procedures = 176, calls = 43, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 137 [2024-11-08 19:22:32,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:22:32,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:22:32,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:22:32,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:22:32,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:32" (1/1) ... [2024-11-08 19:22:32,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:32" (1/1) ... [2024-11-08 19:22:32,461 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:32" (1/1) ... [2024-11-08 19:22:32,486 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]. [2024-11-08 19:22:32,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:32" (1/1) ... [2024-11-08 19:22:32,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:32" (1/1) ... [2024-11-08 19:22:32,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:32" (1/1) ... [2024-11-08 19:22:32,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:32" (1/1) ... [2024-11-08 19:22:32,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:32" (1/1) ... [2024-11-08 19:22:32,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:32" (1/1) ... [2024-11-08 19:22:32,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:22:32,528 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:22:32,528 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:22:32,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:22:32,529 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:32" (1/1) ... [2024-11-08 19:22:32,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:22:32,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:22:32,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:22:32,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:22:32,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 19:22:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:22:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 19:22:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-08 19:22:32,648 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-08 19:22:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-08 19:22:32,649 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-08 19:22:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-08 19:22:32,649 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-08 19:22:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 19:22:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:22:32,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:22:32,658 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 19:22:32,947 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:22:32,951 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:22:33,599 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 19:22:33,600 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:22:34,013 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:22:34,013 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:22:34,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:22:34 BoogieIcfgContainer [2024-11-08 19:22:34,014 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:22:34,017 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:22:34,019 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:22:34,024 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:22:34,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:22:31" (1/3) ... [2024-11-08 19:22:34,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95b0fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:22:34, skipping insertion in model container [2024-11-08 19:22:34,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:22:32" (2/3) ... [2024-11-08 19:22:34,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@95b0fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:22:34, skipping insertion in model container [2024-11-08 19:22:34,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:22:34" (3/3) ... [2024-11-08 19:22:34,032 INFO L112 eAbstractionObserver]: Analyzing ICFG safe030_power.oepc_pso.oepc_rmo.oepc.i [2024-11-08 19:22:34,057 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:22:34,058 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-08 19:22:34,058 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 19:22:34,152 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 19:22:34,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 44 transitions, 100 flow [2024-11-08 19:22:34,270 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2024-11-08 19:22:34,270 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:22:34,274 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 41 events. 2/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2024-11-08 19:22:34,275 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 44 transitions, 100 flow [2024-11-08 19:22:34,279 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 41 transitions, 91 flow [2024-11-08 19:22:34,302 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:22:34,314 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;@6dddbfaa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:22:34,315 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-08 19:22:34,323 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 19:22:34,324 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-08 19:22:34,324 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:22:34,324 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:22:34,325 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-08 19:22:34,341 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:22:34,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:34,350 INFO L85 PathProgramCache]: Analyzing trace with hash 11936538, now seen corresponding path program 1 times [2024-11-08 19:22:34,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:22:34,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1155574866] [2024-11-08 19:22:34,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:34,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:34,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:22:34,373 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:22:34,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:22:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:34,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:22:34,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:22:34,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:22:34,613 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:22:34,614 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:22:34,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155574866] [2024-11-08 19:22:34,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155574866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:34,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:34,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 19:22:34,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301716081] [2024-11-08 19:22:34,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:34,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:22:34,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:22:34,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:22:34,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:22:34,686 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 44 [2024-11-08 19:22:34,690 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2024-11-08 19:22:34,691 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:22:34,691 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 44 [2024-11-08 19:22:34,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:22:35,541 INFO L124 PetriNetUnfolderBase]: 680/1277 cut-off events. [2024-11-08 19:22:35,541 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-11-08 19:22:35,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2353 conditions, 1277 events. 680/1277 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 8166 event pairs, 104 based on Foata normal form. 72/1333 useless extension candidates. Maximal degree in co-relation 2342. Up to 844 conditions per place. [2024-11-08 19:22:35,569 INFO L140 encePairwiseOnDemand]: 39/44 looper letters, 33 selfloop transitions, 2 changer transitions 2/53 dead transitions. [2024-11-08 19:22:35,570 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 53 transitions, 195 flow [2024-11-08 19:22:35,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:22:35,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:22:35,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2024-11-08 19:22:35,589 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.75 [2024-11-08 19:22:35,592 INFO L175 Difference]: Start difference. First operand has 49 places, 41 transitions, 91 flow. Second operand 3 states and 99 transitions. [2024-11-08 19:22:35,594 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 53 transitions, 195 flow [2024-11-08 19:22:35,599 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 53 transitions, 190 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-08 19:22:35,608 INFO L231 Difference]: Finished difference. Result has 46 places, 36 transitions, 82 flow [2024-11-08 19:22:35,611 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=46, PETRI_TRANSITIONS=36} [2024-11-08 19:22:35,618 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2024-11-08 19:22:35,618 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 36 transitions, 82 flow [2024-11-08 19:22:35,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 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) [2024-11-08 19:22:35,619 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:22:35,620 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:35,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 19:22:35,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:35,821 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:22:35,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:35,822 INFO L85 PathProgramCache]: Analyzing trace with hash 18908189, now seen corresponding path program 1 times [2024-11-08 19:22:35,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:22:35,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [90523858] [2024-11-08 19:22:35,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:35,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:35,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:22:35,829 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:22:35,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 19:22:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:35,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 19:22:35,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:22:36,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:22:36,050 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:22:36,050 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:22:36,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90523858] [2024-11-08 19:22:36,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90523858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:36,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:36,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 19:22:36,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769272889] [2024-11-08 19:22:36,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:36,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 19:22:36,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:22:36,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:22:36,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:22:36,056 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 44 [2024-11-08 19:22:36,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:22:36,057 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:22:36,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 44 [2024-11-08 19:22:36,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:22:36,424 INFO L124 PetriNetUnfolderBase]: 605/1137 cut-off events. [2024-11-08 19:22:36,424 INFO L125 PetriNetUnfolderBase]: For 80/80 co-relation queries the response was YES. [2024-11-08 19:22:36,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2181 conditions, 1137 events. 605/1137 cut-off events. For 80/80 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 7018 event pairs, 605 based on Foata normal form. 36/1123 useless extension candidates. Maximal degree in co-relation 2171. Up to 926 conditions per place. [2024-11-08 19:22:36,440 INFO L140 encePairwiseOnDemand]: 42/44 looper letters, 18 selfloop transitions, 1 changer transitions 1/35 dead transitions. [2024-11-08 19:22:36,440 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 35 transitions, 120 flow [2024-11-08 19:22:36,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:22:36,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 19:22:36,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2024-11-08 19:22:36,442 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5681818181818182 [2024-11-08 19:22:36,442 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 82 flow. Second operand 3 states and 75 transitions. [2024-11-08 19:22:36,443 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 35 transitions, 120 flow [2024-11-08 19:22:36,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 116 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 19:22:36,444 INFO L231 Difference]: Finished difference. Result has 44 places, 34 transitions, 76 flow [2024-11-08 19:22:36,446 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=44, PETRI_TRANSITIONS=34} [2024-11-08 19:22:36,447 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, -5 predicate places. [2024-11-08 19:22:36,449 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 76 flow [2024-11-08 19:22:36,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:22:36,450 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:22:36,450 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:36,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 19:22:36,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:36,651 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:22:36,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:36,654 INFO L85 PathProgramCache]: Analyzing trace with hash 18909800, now seen corresponding path program 1 times [2024-11-08 19:22:36,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:22:36,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1567331207] [2024-11-08 19:22:36,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:36,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:36,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:22:36,658 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:22:36,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 19:22:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:36,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:22:36,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:22:36,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:22:36,913 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:22:36,913 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:22:36,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567331207] [2024-11-08 19:22:36,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567331207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:36,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:36,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:22:36,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125703605] [2024-11-08 19:22:36,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:36,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:22:36,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:22:36,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:22:36,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:22:36,935 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-08 19:22:36,936 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 76 flow. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2024-11-08 19:22:36,936 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:22:36,936 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-08 19:22:36,936 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:22:37,549 INFO L124 PetriNetUnfolderBase]: 1363/2295 cut-off events. [2024-11-08 19:22:37,550 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 19:22:37,556 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4413 conditions, 2295 events. 1363/2295 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 13820 event pairs, 149 based on Foata normal form. 80/2328 useless extension candidates. Maximal degree in co-relation 4407. Up to 1297 conditions per place. [2024-11-08 19:22:37,569 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 40 selfloop transitions, 5 changer transitions 1/57 dead transitions. [2024-11-08 19:22:37,569 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 57 transitions, 218 flow [2024-11-08 19:22:37,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:22:37,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 19:22:37,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 108 transitions. [2024-11-08 19:22:37,573 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6136363636363636 [2024-11-08 19:22:37,573 INFO L175 Difference]: Start difference. First operand has 44 places, 34 transitions, 76 flow. Second operand 4 states and 108 transitions. [2024-11-08 19:22:37,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 57 transitions, 218 flow [2024-11-08 19:22:37,576 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 57 transitions, 217 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 19:22:37,578 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 109 flow [2024-11-08 19:22:37,582 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=109, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-11-08 19:22:37,583 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, -2 predicate places. [2024-11-08 19:22:37,583 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 109 flow [2024-11-08 19:22:37,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2024-11-08 19:22:37,585 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:22:37,585 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:37,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 19:22:37,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:37,787 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:22:37,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:37,788 INFO L85 PathProgramCache]: Analyzing trace with hash 763898825, now seen corresponding path program 1 times [2024-11-08 19:22:37,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:22:37,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1819562153] [2024-11-08 19:22:37,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:37,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:37,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:22:37,792 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:22:37,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 19:22:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:37,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:22:37,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:22:38,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:22:38,020 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:22:38,020 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:22:38,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819562153] [2024-11-08 19:22:38,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819562153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:38,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:38,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:22:38,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061091118] [2024-11-08 19:22:38,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:38,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:22:38,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:22:38,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:22:38,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:22:38,037 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-08 19:22:38,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 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) [2024-11-08 19:22:38,040 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:22:38,040 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-08 19:22:38,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:22:38,516 INFO L124 PetriNetUnfolderBase]: 879/1511 cut-off events. [2024-11-08 19:22:38,517 INFO L125 PetriNetUnfolderBase]: For 374/374 co-relation queries the response was YES. [2024-11-08 19:22:38,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3440 conditions, 1511 events. 879/1511 cut-off events. For 374/374 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 8068 event pairs, 75 based on Foata normal form. 68/1540 useless extension candidates. Maximal degree in co-relation 3431. Up to 625 conditions per place. [2024-11-08 19:22:38,529 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 50 selfloop transitions, 8 changer transitions 1/70 dead transitions. [2024-11-08 19:22:38,529 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 70 transitions, 314 flow [2024-11-08 19:22:38,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:22:38,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 19:22:38,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 136 transitions. [2024-11-08 19:22:38,532 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6181818181818182 [2024-11-08 19:22:38,532 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 109 flow. Second operand 5 states and 136 transitions. [2024-11-08 19:22:38,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 70 transitions, 314 flow [2024-11-08 19:22:38,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 70 transitions, 304 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-08 19:22:38,536 INFO L231 Difference]: Finished difference. Result has 51 places, 40 transitions, 149 flow [2024-11-08 19:22:38,537 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=149, PETRI_PLACES=51, PETRI_TRANSITIONS=40} [2024-11-08 19:22:38,538 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 2 predicate places. [2024-11-08 19:22:38,538 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 40 transitions, 149 flow [2024-11-08 19:22:38,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 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) [2024-11-08 19:22:38,539 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:22:38,539 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:38,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 19:22:38,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:38,740 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:22:38,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:38,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1947523095, now seen corresponding path program 1 times [2024-11-08 19:22:38,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:22:38,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [941854056] [2024-11-08 19:22:38,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:38,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:38,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:22:38,746 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:22:38,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 19:22:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:38,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:22:38,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:22:39,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:22:39,009 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:22:39,009 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:22:39,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [941854056] [2024-11-08 19:22:39,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [941854056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:39,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:39,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:22:39,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114333818] [2024-11-08 19:22:39,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:39,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:22:39,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:22:39,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:22:39,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:22:39,025 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-08 19:22:39,025 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 40 transitions, 149 flow. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 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) [2024-11-08 19:22:39,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:22:39,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-08 19:22:39,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:22:39,498 INFO L124 PetriNetUnfolderBase]: 491/839 cut-off events. [2024-11-08 19:22:39,499 INFO L125 PetriNetUnfolderBase]: For 674/674 co-relation queries the response was YES. [2024-11-08 19:22:39,502 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2178 conditions, 839 events. 491/839 cut-off events. For 674/674 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3707 event pairs, 61 based on Foata normal form. 36/841 useless extension candidates. Maximal degree in co-relation 2167. Up to 268 conditions per place. [2024-11-08 19:22:39,508 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 44 selfloop transitions, 11 changer transitions 1/67 dead transitions. [2024-11-08 19:22:39,508 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 67 transitions, 325 flow [2024-11-08 19:22:39,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:22:39,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 19:22:39,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 148 transitions. [2024-11-08 19:22:39,511 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5606060606060606 [2024-11-08 19:22:39,511 INFO L175 Difference]: Start difference. First operand has 51 places, 40 transitions, 149 flow. Second operand 6 states and 148 transitions. [2024-11-08 19:22:39,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 67 transitions, 325 flow [2024-11-08 19:22:39,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 67 transitions, 300 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-11-08 19:22:39,520 INFO L231 Difference]: Finished difference. Result has 54 places, 40 transitions, 163 flow [2024-11-08 19:22:39,520 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=163, PETRI_PLACES=54, PETRI_TRANSITIONS=40} [2024-11-08 19:22:39,521 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 5 predicate places. [2024-11-08 19:22:39,522 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 40 transitions, 163 flow [2024-11-08 19:22:39,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 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) [2024-11-08 19:22:39,522 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:22:39,523 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:39,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 19:22:39,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:39,728 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:22:39,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:39,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1445209619, now seen corresponding path program 1 times [2024-11-08 19:22:39,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:22:39,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [833455564] [2024-11-08 19:22:39,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:22:39,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:39,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:22:39,733 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:22:39,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 19:22:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:22:39,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 19:22:39,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:22:40,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:22:40,687 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:22:40,687 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:22:40,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833455564] [2024-11-08 19:22:40,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833455564] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:40,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:40,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:22:40,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178375770] [2024-11-08 19:22:40,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:40,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 19:22:40,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:22:40,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 19:22:40,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:22:40,726 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 44 [2024-11-08 19:22:40,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 40 transitions, 163 flow. Second operand has 9 states, 9 states have (on average 19.0) internal successors, (171), 9 states have internal predecessors, (171), 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) [2024-11-08 19:22:40,727 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:22:40,728 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 44 [2024-11-08 19:22:40,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:22:41,313 INFO L124 PetriNetUnfolderBase]: 505/962 cut-off events. [2024-11-08 19:22:41,314 INFO L125 PetriNetUnfolderBase]: For 390/411 co-relation queries the response was YES. [2024-11-08 19:22:41,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2217 conditions, 962 events. 505/962 cut-off events. For 390/411 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4898 event pairs, 201 based on Foata normal form. 8/907 useless extension candidates. Maximal degree in co-relation 2205. Up to 484 conditions per place. [2024-11-08 19:22:41,322 INFO L140 encePairwiseOnDemand]: 36/44 looper letters, 25 selfloop transitions, 4 changer transitions 14/62 dead transitions. [2024-11-08 19:22:41,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 62 transitions, 305 flow [2024-11-08 19:22:41,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:22:41,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-08 19:22:41,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 163 transitions. [2024-11-08 19:22:41,324 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5292207792207793 [2024-11-08 19:22:41,325 INFO L175 Difference]: Start difference. First operand has 54 places, 40 transitions, 163 flow. Second operand 7 states and 163 transitions. [2024-11-08 19:22:41,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 62 transitions, 305 flow [2024-11-08 19:22:41,330 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 62 transitions, 238 flow, removed 14 selfloop flow, removed 8 redundant places. [2024-11-08 19:22:41,331 INFO L231 Difference]: Finished difference. Result has 56 places, 42 transitions, 134 flow [2024-11-08 19:22:41,331 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=134, PETRI_PLACES=56, PETRI_TRANSITIONS=42} [2024-11-08 19:22:41,332 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 7 predicate places. [2024-11-08 19:22:41,332 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 42 transitions, 134 flow [2024-11-08 19:22:41,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.0) internal successors, (171), 9 states have internal predecessors, (171), 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) [2024-11-08 19:22:41,333 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:22:41,333 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:41,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 19:22:41,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:41,535 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:22:41,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:41,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1188579421, now seen corresponding path program 2 times [2024-11-08 19:22:41,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:22:41,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1175685361] [2024-11-08 19:22:41,537 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 19:22:41,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:41,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:22:41,539 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:22:41,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 19:22:41,673 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-08 19:22:41,674 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 19:22:41,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 19:22:41,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:22:42,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:22:42,425 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:22:42,425 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:22:42,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175685361] [2024-11-08 19:22:42,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175685361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:42,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:42,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 19:22:42,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100387202] [2024-11-08 19:22:42,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:42,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:22:42,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:22:42,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:22:42,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:22:42,440 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 44 [2024-11-08 19:22:42,441 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 42 transitions, 134 flow. Second operand has 10 states, 10 states have (on average 18.8) internal successors, (188), 10 states have internal predecessors, (188), 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) [2024-11-08 19:22:42,441 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:22:42,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 44 [2024-11-08 19:22:42,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:22:43,075 INFO L124 PetriNetUnfolderBase]: 573/1092 cut-off events. [2024-11-08 19:22:43,075 INFO L125 PetriNetUnfolderBase]: For 206/215 co-relation queries the response was YES. [2024-11-08 19:22:43,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2392 conditions, 1092 events. 573/1092 cut-off events. For 206/215 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 5843 event pairs, 239 based on Foata normal form. 8/1032 useless extension candidates. Maximal degree in co-relation 2380. Up to 404 conditions per place. [2024-11-08 19:22:43,087 INFO L140 encePairwiseOnDemand]: 37/44 looper letters, 24 selfloop transitions, 4 changer transitions 16/63 dead transitions. [2024-11-08 19:22:43,087 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 63 transitions, 273 flow [2024-11-08 19:22:43,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:22:43,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-08 19:22:43,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 163 transitions. [2024-11-08 19:22:43,089 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5292207792207793 [2024-11-08 19:22:43,089 INFO L175 Difference]: Start difference. First operand has 56 places, 42 transitions, 134 flow. Second operand 7 states and 163 transitions. [2024-11-08 19:22:43,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 63 transitions, 273 flow [2024-11-08 19:22:43,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 63 transitions, 258 flow, removed 5 selfloop flow, removed 5 redundant places. [2024-11-08 19:22:43,094 INFO L231 Difference]: Finished difference. Result has 58 places, 42 transitions, 142 flow [2024-11-08 19:22:43,095 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=123, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=142, PETRI_PLACES=58, PETRI_TRANSITIONS=42} [2024-11-08 19:22:43,095 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 9 predicate places. [2024-11-08 19:22:43,096 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 42 transitions, 142 flow [2024-11-08 19:22:43,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.8) internal successors, (188), 10 states have internal predecessors, (188), 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) [2024-11-08 19:22:43,098 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:22:43,098 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:43,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-08 19:22:43,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:43,299 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:22:43,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:43,300 INFO L85 PathProgramCache]: Analyzing trace with hash 50392787, now seen corresponding path program 3 times [2024-11-08 19:22:43,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:22:43,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1445024400] [2024-11-08 19:22:43,300 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 19:22:43,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:43,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:22:43,304 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:22:43,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 19:22:43,434 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-08 19:22:43,435 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 19:22:43,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:22:43,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:22:43,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:22:43,717 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:22:43,717 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:22:43,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445024400] [2024-11-08 19:22:43,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445024400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:43,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:43,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:22:43,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927021196] [2024-11-08 19:22:43,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:43,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:22:43,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:22:43,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:22:43,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:22:43,735 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2024-11-08 19:22:43,736 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 42 transitions, 142 flow. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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) [2024-11-08 19:22:43,736 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:22:43,736 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2024-11-08 19:22:43,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:22:44,253 INFO L124 PetriNetUnfolderBase]: 657/1209 cut-off events. [2024-11-08 19:22:44,255 INFO L125 PetriNetUnfolderBase]: For 318/351 co-relation queries the response was YES. [2024-11-08 19:22:44,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2777 conditions, 1209 events. 657/1209 cut-off events. For 318/351 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 6523 event pairs, 305 based on Foata normal form. 12/1137 useless extension candidates. Maximal degree in co-relation 2764. Up to 603 conditions per place. [2024-11-08 19:22:44,263 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 31 selfloop transitions, 2 changer transitions 19/70 dead transitions. [2024-11-08 19:22:44,263 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 70 transitions, 329 flow [2024-11-08 19:22:44,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:22:44,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 19:22:44,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 145 transitions. [2024-11-08 19:22:44,265 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5492424242424242 [2024-11-08 19:22:44,265 INFO L175 Difference]: Start difference. First operand has 58 places, 42 transitions, 142 flow. Second operand 6 states and 145 transitions. [2024-11-08 19:22:44,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 70 transitions, 329 flow [2024-11-08 19:22:44,268 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 70 transitions, 299 flow, removed 9 selfloop flow, removed 6 redundant places. [2024-11-08 19:22:44,271 INFO L231 Difference]: Finished difference. Result has 58 places, 42 transitions, 138 flow [2024-11-08 19:22:44,272 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=138, PETRI_PLACES=58, PETRI_TRANSITIONS=42} [2024-11-08 19:22:44,273 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 9 predicate places. [2024-11-08 19:22:44,273 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 42 transitions, 138 flow [2024-11-08 19:22:44,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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) [2024-11-08 19:22:44,274 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:22:44,274 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:44,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-08 19:22:44,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:44,475 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:22:44,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:44,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1799298273, now seen corresponding path program 4 times [2024-11-08 19:22:44,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:22:44,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1718038122] [2024-11-08 19:22:44,477 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-08 19:22:44,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:44,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:22:44,482 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:22:44,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 19:22:44,609 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-08 19:22:44,610 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 19:22:44,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:22:44,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:22:44,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:22:44,726 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:22:44,726 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:22:44,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718038122] [2024-11-08 19:22:44,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718038122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:22:44,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:22:44,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:22:44,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923062888] [2024-11-08 19:22:44,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:22:44,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:22:44,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:22:44,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:22:44,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:22:44,743 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2024-11-08 19:22:44,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 42 transitions, 138 flow. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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) [2024-11-08 19:22:44,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 19:22:44,744 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2024-11-08 19:22:44,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 19:22:45,102 INFO L124 PetriNetUnfolderBase]: 497/946 cut-off events. [2024-11-08 19:22:45,103 INFO L125 PetriNetUnfolderBase]: For 251/255 co-relation queries the response was YES. [2024-11-08 19:22:45,107 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2070 conditions, 946 events. 497/946 cut-off events. For 251/255 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 4575 event pairs, 201 based on Foata normal form. 12/924 useless extension candidates. Maximal degree in co-relation 2058. Up to 409 conditions per place. [2024-11-08 19:22:45,110 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 27 selfloop transitions, 2 changer transitions 21/68 dead transitions. [2024-11-08 19:22:45,110 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 68 transitions, 309 flow [2024-11-08 19:22:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:22:45,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 19:22:45,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 143 transitions. [2024-11-08 19:22:45,112 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5416666666666666 [2024-11-08 19:22:45,112 INFO L175 Difference]: Start difference. First operand has 58 places, 42 transitions, 138 flow. Second operand 6 states and 143 transitions. [2024-11-08 19:22:45,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 68 transitions, 309 flow [2024-11-08 19:22:45,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 68 transitions, 291 flow, removed 7 selfloop flow, removed 5 redundant places. [2024-11-08 19:22:45,117 INFO L231 Difference]: Finished difference. Result has 59 places, 42 transitions, 140 flow [2024-11-08 19:22:45,117 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=140, PETRI_PLACES=59, PETRI_TRANSITIONS=42} [2024-11-08 19:22:45,118 INFO L277 CegarLoopForPetriNet]: 49 programPoint places, 10 predicate places. [2024-11-08 19:22:45,118 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 42 transitions, 140 flow [2024-11-08 19:22:45,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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) [2024-11-08 19:22:45,119 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 19:22:45,119 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:22:45,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-08 19:22:45,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:45,320 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-08 19:22:45,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:22:45,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1880925251, now seen corresponding path program 5 times [2024-11-08 19:22:45,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:22:45,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [495081824] [2024-11-08 19:22:45,321 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-08 19:22:45,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:45,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:22:45,323 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:22:45,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 19:22:45,461 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-08 19:22:45,462 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-08 19:22:45,462 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:22:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:22:45,660 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 19:22:45,660 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:22:45,662 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-08 19:22:45,664 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-08 19:22:45,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-08 19:22:45,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-08 19:22:45,665 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-08 19:22:45,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-11-08 19:22:45,666 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-08 19:22:45,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-08 19:22:45,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:22:45,870 INFO L407 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1] [2024-11-08 19:22:46,020 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 19:22:46,020 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:22:46,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:22:46 BasicIcfg [2024-11-08 19:22:46,027 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:22:46,028 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:22:46,028 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:22:46,028 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:22:46,029 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:22:34" (3/4) ... [2024-11-08 19:22:46,033 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:22:46,035 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:22:46,036 INFO L158 Benchmark]: Toolchain (without parser) took 14642.57ms. Allocated memory was 90.2MB in the beginning and 197.1MB in the end (delta: 107.0MB). Free memory was 64.7MB in the beginning and 149.1MB in the end (delta: -84.4MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-11-08 19:22:46,037 INFO L158 Benchmark]: CDTParser took 1.41ms. Allocated memory is still 52.4MB. Free memory is still 28.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:22:46,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 954.36ms. Allocated memory is still 90.2MB. Free memory was 64.5MB in the beginning and 58.5MB in the end (delta: 6.0MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-11-08 19:22:46,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.36ms. Allocated memory is still 90.2MB. Free memory was 58.3MB in the beginning and 55.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:22:46,042 INFO L158 Benchmark]: Boogie Preprocessor took 89.88ms. Allocated memory is still 90.2MB. Free memory was 55.5MB in the beginning and 52.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:22:46,043 INFO L158 Benchmark]: RCFGBuilder took 1487.18ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 52.0MB in the beginning and 66.5MB in the end (delta: -14.5MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2024-11-08 19:22:46,043 INFO L158 Benchmark]: TraceAbstraction took 12010.21ms. Allocated memory was 113.2MB in the beginning and 197.1MB in the end (delta: 83.9MB). Free memory was 65.8MB in the beginning and 149.1MB in the end (delta: -83.3MB). Peak memory consumption was 548.9kB. Max. memory is 16.1GB. [2024-11-08 19:22:46,044 INFO L158 Benchmark]: Witness Printer took 7.10ms. Allocated memory is still 197.1MB. Free memory is still 149.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:22:46,046 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41ms. Allocated memory is still 52.4MB. Free memory is still 28.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 954.36ms. Allocated memory is still 90.2MB. Free memory was 64.5MB in the beginning and 58.5MB in the end (delta: 6.0MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.36ms. Allocated memory is still 90.2MB. Free memory was 58.3MB in the beginning and 55.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.88ms. Allocated memory is still 90.2MB. Free memory was 55.5MB in the beginning and 52.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1487.18ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 52.0MB in the beginning and 66.5MB in the end (delta: -14.5MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * TraceAbstraction took 12010.21ms. Allocated memory was 113.2MB in the beginning and 197.1MB in the end (delta: 83.9MB). Free memory was 65.8MB in the beginning and 149.1MB in the end (delta: -83.3MB). Peak memory consumption was 548.9kB. Max. memory is 16.1GB. * Witness Printer took 7.10ms. Allocated memory is still 197.1MB. Free memory is still 149.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L710] 0 _Bool main$tmp_guard0; [L711] 0 _Bool main$tmp_guard1; [L713] 0 int x = 0; [L715] 0 int y = 0; [L717] 0 int z = 0; [L718] 0 _Bool z$flush_delayed; [L719] 0 int z$mem_tmp; [L720] 0 _Bool z$r_buff0_thd0; [L721] 0 _Bool z$r_buff0_thd1; [L722] 0 _Bool z$r_buff0_thd2; [L723] 0 _Bool z$r_buff0_thd3; [L724] 0 _Bool z$r_buff1_thd0; [L725] 0 _Bool z$r_buff1_thd1; [L726] 0 _Bool z$r_buff1_thd2; [L727] 0 _Bool z$r_buff1_thd3; [L728] 0 _Bool z$read_delayed; [L729] 0 int *z$read_delayed_var; [L730] 0 int z$w_buff0; [L731] 0 _Bool z$w_buff0_used; [L732] 0 int z$w_buff1; [L733] 0 _Bool z$w_buff1_used; [L734] 0 _Bool weak$$choice0; [L735] 0 _Bool weak$$choice2; [L816] 0 pthread_t t2489; [L817] FCALL, FORK 0 pthread_create(&t2489, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, t2489=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L739] 1 z$w_buff1 = z$w_buff0 [L740] 1 z$w_buff0 = 2 [L741] 1 z$w_buff1_used = z$w_buff0_used [L742] 1 z$w_buff0_used = (_Bool)1 [L743] CALL 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L743] RET 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L744] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L745] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L746] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L747] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L748] 1 z$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L818] 0 pthread_t t2490; [L819] FCALL, FORK 0 pthread_create(&t2490, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, t2489=0, t2490=1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L820] 0 pthread_t t2491; [L821] FCALL, FORK 0 pthread_create(&t2491, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, t2489=0, t2490=1, t2491=2, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L751] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L768] 2 x = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L771] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L774] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L775] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L776] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L777] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L778] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L788] 3 y = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L791] 3 z = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=1] [L794] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L795] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L796] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L797] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L798] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=1] [L754] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L755] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L756] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L757] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L758] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=2] [L801] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=2] [L761] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=2] [L781] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=2] [L823] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2489=0, t2490=1, t2491=2, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=2] [L825] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L825] RET 0 assume_abort_if_not(main$tmp_guard0) [L827] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L828] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L829] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L830] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L831] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2489=0, t2490=1, t2491=2, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=2] [L834] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L835] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L836] 0 z$flush_delayed = weak$$choice2 [L837] 0 z$mem_tmp = z [L838] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L839] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L840] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L841] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L842] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L843] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L844] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L845] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2) [L846] 0 z = z$flush_delayed ? z$mem_tmp : z [L847] 0 z$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2489=0, t2490=1, t2491=2, weak$$choice0=0, weak$$choice2=1, x=2, y=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=2] [L849] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=2] [L17] 0 __assert_fail ("0", "safe030_power.oepc_pso.oepc_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=2] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 814]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 819]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 821]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 817]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 68 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.7s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 343 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 321 mSDsluCounter, 141 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 121 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 994 IncrementalHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 20 mSDtfsCounter, 994 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred in iteration=5, InterpolantAutomatonStates: 47, 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: 0.3s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 229 NumberOfCodeBlocks, 228 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 190 ConstructedInterpolants, 0 QuantifiedInterpolants, 1005 SizeOfPredicates, 25 NumberOfNonLiveVariables, 935 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:22:46,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_029af782-114d-4ee8-bef6-497506d7a034/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample