./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b278c8af08551c2e27294e2c5dca8c5bd0f6f00874366f88466c32210c557af --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:28:47,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:28:47,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-27 20:28:47,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:28:47,384 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:28:47,419 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:28:47,420 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:28:47,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:28:47,421 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:28:47,421 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:28:47,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:28:47,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:28:47,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:28:47,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:28:47,422 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:28:47,422 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:28:47,423 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:28:47,423 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:28:47,423 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:28:47,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:28:47,423 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-27 20:28:47,424 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-27 20:28:47,424 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-27 20:28:47,424 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:28:47,424 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:28:47,424 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:28:47,425 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:28:47,425 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:28:47,425 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:28:47,425 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:28:47,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:28:47,425 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:28:47,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:28:47,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:28:47,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:28:47,426 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:28:47,426 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:28:47,427 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:28:47,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:28:47,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:28:47,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:28:47,427 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:28:47,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:28:47,427 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:28:47,427 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:28:47,427 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:28:47,428 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:28:47,428 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b278c8af08551c2e27294e2c5dca8c5bd0f6f00874366f88466c32210c557af [2024-11-27 20:28:47,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:28:47,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:28:47,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:28:47,772 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:28:47,773 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:28:47,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i [2024-11-27 20:28:51,180 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/data/abad8baa0/df1c3436c3af42c4b73dff4fd45ab933/FLAGdc444ed58 [2024-11-27 20:28:51,703 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:28:51,707 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i [2024-11-27 20:28:51,737 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/data/abad8baa0/df1c3436c3af42c4b73dff4fd45ab933/FLAGdc444ed58 [2024-11-27 20:28:52,252 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/data/abad8baa0/df1c3436c3af42c4b73dff4fd45ab933 [2024-11-27 20:28:52,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:28:52,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:28:52,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:28:52,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:28:52,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:28:52,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:28:52" (1/1) ... [2024-11-27 20:28:52,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d352910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:52, skipping insertion in model container [2024-11-27 20:28:52,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:28:52" (1/1) ... [2024-11-27 20:28:52,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:28:52,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:28:52,812 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:28:52,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:28:52,946 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:28:52,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:52 WrapperNode [2024-11-27 20:28:52,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:28:52,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:28:52,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:28:52,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:28:52,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:52" (1/1) ... [2024-11-27 20:28:52,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:52" (1/1) ... [2024-11-27 20:28:53,007 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 150 [2024-11-27 20:28:53,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:28:53,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:28:53,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:28:53,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:28:53,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:52" (1/1) ... [2024-11-27 20:28:53,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:52" (1/1) ... [2024-11-27 20:28:53,030 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:52" (1/1) ... [2024-11-27 20:28:53,061 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]. [2024-11-27 20:28:53,065 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:52" (1/1) ... [2024-11-27 20:28:53,065 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:52" (1/1) ... [2024-11-27 20:28:53,083 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:52" (1/1) ... [2024-11-27 20:28:53,088 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:52" (1/1) ... [2024-11-27 20:28:53,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:52" (1/1) ... [2024-11-27 20:28:53,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:52" (1/1) ... [2024-11-27 20:28:53,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:52" (1/1) ... [2024-11-27 20:28:53,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:28:53,110 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:28:53,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:28:53,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:28:53,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:52" (1/1) ... [2024-11-27 20:28:53,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:28:53,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:28:53,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:28:53,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:28:53,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 20:28:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:28:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-27 20:28:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-27 20:28:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-27 20:28:53,202 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-27 20:28:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-27 20:28:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-27 20:28:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-27 20:28:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-27 20:28:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:28:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 20:28:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:28:53,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:28:53,205 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 20:28:53,383 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:28:53,386 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:28:53,927 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 20:28:53,928 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:28:54,284 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:28:54,284 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 20:28:54,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:28:54 BoogieIcfgContainer [2024-11-27 20:28:54,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:28:54,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:28:54,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:28:54,300 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:28:54,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:28:52" (1/3) ... [2024-11-27 20:28:54,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38066f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:28:54, skipping insertion in model container [2024-11-27 20:28:54,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:28:52" (2/3) ... [2024-11-27 20:28:54,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38066f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:28:54, skipping insertion in model container [2024-11-27 20:28:54,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:28:54" (3/3) ... [2024-11-27 20:28:54,305 INFO L128 eAbstractionObserver]: Analyzing ICFG mix029_power.opt_pso.opt_rmo.opt.i [2024-11-27 20:28:54,328 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:28:54,330 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix029_power.opt_pso.opt_rmo.opt.i that has 5 procedures, 53 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-27 20:28:54,331 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 20:28:54,437 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-27 20:28:54,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 54 transitions, 124 flow [2024-11-27 20:28:54,562 INFO L124 PetriNetUnfolderBase]: 2/50 cut-off events. [2024-11-27 20:28:54,568 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:28:54,576 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 50 events. 2/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 102 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2024-11-27 20:28:54,576 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 54 transitions, 124 flow [2024-11-27 20:28:54,583 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 50 transitions, 112 flow [2024-11-27 20:28:54,598 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:28:54,620 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;@1f87ca5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:28:54,620 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-27 20:28:54,630 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 20:28:54,631 INFO L124 PetriNetUnfolderBase]: 0/16 cut-off events. [2024-11-27 20:28:54,631 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:28:54,631 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:28:54,632 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:54,632 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:28:54,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:54,639 INFO L85 PathProgramCache]: Analyzing trace with hash 442823437, now seen corresponding path program 1 times [2024-11-27 20:28:54,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:54,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861037372] [2024-11-27 20:28:54,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:54,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:55,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:28:55,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:55,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861037372] [2024-11-27 20:28:55,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861037372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:55,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:55,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-27 20:28:55,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642769044] [2024-11-27 20:28:55,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:55,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:28:55,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:55,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:28:55,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:28:55,484 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 54 [2024-11-27 20:28:55,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:55,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:28:55,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 54 [2024-11-27 20:28:55,488 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:28:56,800 INFO L124 PetriNetUnfolderBase]: 1711/2911 cut-off events. [2024-11-27 20:28:56,801 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-27 20:28:56,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5407 conditions, 2911 events. 1711/2911 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 21030 event pairs, 310 based on Foata normal form. 144/3008 useless extension candidates. Maximal degree in co-relation 5395. Up to 1924 conditions per place. [2024-11-27 20:28:56,844 INFO L140 encePairwiseOnDemand]: 49/54 looper letters, 35 selfloop transitions, 2 changer transitions 2/61 dead transitions. [2024-11-27 20:28:56,846 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 61 transitions, 215 flow [2024-11-27 20:28:56,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:28:56,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:28:56,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 122 transitions. [2024-11-27 20:28:56,865 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7530864197530864 [2024-11-27 20:28:56,867 INFO L175 Difference]: Start difference. First operand has 61 places, 50 transitions, 112 flow. Second operand 3 states and 122 transitions. [2024-11-27 20:28:56,870 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 61 transitions, 215 flow [2024-11-27 20:28:56,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 61 transitions, 210 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-27 20:28:56,884 INFO L231 Difference]: Finished difference. Result has 57 places, 45 transitions, 102 flow [2024-11-27 20:28:56,888 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=57, PETRI_TRANSITIONS=45} [2024-11-27 20:28:56,895 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -4 predicate places. [2024-11-27 20:28:56,895 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 45 transitions, 102 flow [2024-11-27 20:28:56,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:28:56,895 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:28:56,896 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:56,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:28:56,897 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:28:56,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:56,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1796986954, now seen corresponding path program 1 times [2024-11-27 20:28:56,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:56,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760333692] [2024-11-27 20:28:56,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:56,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:57,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:28:57,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:57,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760333692] [2024-11-27 20:28:57,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760333692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:57,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:57,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-27 20:28:57,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610063647] [2024-11-27 20:28:57,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:57,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:28:57,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:57,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:28:57,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:28:57,116 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 54 [2024-11-27 20:28:57,117 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 45 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2024-11-27 20:28:57,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:28:57,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 54 [2024-11-27 20:28:57,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:28:57,758 INFO L124 PetriNetUnfolderBase]: 1525/2605 cut-off events. [2024-11-27 20:28:57,758 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2024-11-27 20:28:57,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4997 conditions, 2605 events. 1525/2605 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 18905 event pairs, 1525 based on Foata normal form. 72/2558 useless extension candidates. Maximal degree in co-relation 4987. Up to 2166 conditions per place. [2024-11-27 20:28:57,784 INFO L140 encePairwiseOnDemand]: 52/54 looper letters, 21 selfloop transitions, 1 changer transitions 1/44 dead transitions. [2024-11-27 20:28:57,784 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 44 transitions, 146 flow [2024-11-27 20:28:57,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:28:57,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:28:57,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2024-11-27 20:28:57,788 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6111111111111112 [2024-11-27 20:28:57,788 INFO L175 Difference]: Start difference. First operand has 57 places, 45 transitions, 102 flow. Second operand 3 states and 99 transitions. [2024-11-27 20:28:57,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 44 transitions, 146 flow [2024-11-27 20:28:57,790 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 44 transitions, 142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:28:57,792 INFO L231 Difference]: Finished difference. Result has 55 places, 43 transitions, 96 flow [2024-11-27 20:28:57,794 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=55, PETRI_TRANSITIONS=43} [2024-11-27 20:28:57,794 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -6 predicate places. [2024-11-27 20:28:57,795 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 43 transitions, 96 flow [2024-11-27 20:28:57,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2024-11-27 20:28:57,795 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:28:57,795 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:57,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:28:57,796 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:28:57,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:57,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1796985732, now seen corresponding path program 1 times [2024-11-27 20:28:57,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:57,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082798038] [2024-11-27 20:28:57,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:57,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:28:58,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:58,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082798038] [2024-11-27 20:28:58,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082798038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:58,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:58,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:28:58,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122352004] [2024-11-27 20:28:58,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:58,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:28:58,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:58,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:28:58,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:28:58,375 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 54 [2024-11-27 20:28:58,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 43 transitions, 96 flow. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 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) [2024-11-27 20:28:58,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:28:58,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 54 [2024-11-27 20:28:58,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:00,093 INFO L124 PetriNetUnfolderBase]: 5957/8915 cut-off events. [2024-11-27 20:29:00,093 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:29:00,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17267 conditions, 8915 events. 5957/8915 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 60584 event pairs, 663 based on Foata normal form. 240/9089 useless extension candidates. Maximal degree in co-relation 17261. Up to 5353 conditions per place. [2024-11-27 20:29:00,181 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 48 selfloop transitions, 6 changer transitions 1/71 dead transitions. [2024-11-27 20:29:00,182 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 71 transitions, 268 flow [2024-11-27 20:29:00,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:00,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-27 20:29:00,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 141 transitions. [2024-11-27 20:29:00,187 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6527777777777778 [2024-11-27 20:29:00,187 INFO L175 Difference]: Start difference. First operand has 55 places, 43 transitions, 96 flow. Second operand 4 states and 141 transitions. [2024-11-27 20:29:00,187 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 71 transitions, 268 flow [2024-11-27 20:29:00,188 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 71 transitions, 267 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:29:00,193 INFO L231 Difference]: Finished difference. Result has 58 places, 47 transitions, 137 flow [2024-11-27 20:29:00,193 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=137, PETRI_PLACES=58, PETRI_TRANSITIONS=47} [2024-11-27 20:29:00,194 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-11-27 20:29:00,195 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 47 transitions, 137 flow [2024-11-27 20:29:00,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 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) [2024-11-27 20:29:00,195 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:00,195 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:00,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:29:00,196 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:00,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:00,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1906631303, now seen corresponding path program 1 times [2024-11-27 20:29:00,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:00,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781382722] [2024-11-27 20:29:00,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:00,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:00,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:00,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:00,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781382722] [2024-11-27 20:29:00,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781382722] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:00,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:00,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:29:00,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335592001] [2024-11-27 20:29:00,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:00,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:29:00,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:00,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:29:00,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:00,645 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 54 [2024-11-27 20:29:00,646 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 47 transitions, 137 flow. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 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) [2024-11-27 20:29:00,647 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:00,647 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 54 [2024-11-27 20:29:00,647 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:02,094 INFO L124 PetriNetUnfolderBase]: 4789/7231 cut-off events. [2024-11-27 20:29:02,095 INFO L125 PetriNetUnfolderBase]: For 1858/1858 co-relation queries the response was YES. [2024-11-27 20:29:02,122 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16550 conditions, 7231 events. 4789/7231 cut-off events. For 1858/1858 co-relation queries the response was YES. Maximal size of possible extension queue 499. Compared 47515 event pairs, 249 based on Foata normal form. 228/7412 useless extension candidates. Maximal degree in co-relation 16541. Up to 3841 conditions per place. [2024-11-27 20:29:02,154 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 61 selfloop transitions, 10 changer transitions 1/88 dead transitions. [2024-11-27 20:29:02,154 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 88 transitions, 392 flow [2024-11-27 20:29:02,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:29:02,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-27 20:29:02,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 179 transitions. [2024-11-27 20:29:02,156 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.662962962962963 [2024-11-27 20:29:02,156 INFO L175 Difference]: Start difference. First operand has 58 places, 47 transitions, 137 flow. Second operand 5 states and 179 transitions. [2024-11-27 20:29:02,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 88 transitions, 392 flow [2024-11-27 20:29:02,159 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 88 transitions, 381 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-27 20:29:02,161 INFO L231 Difference]: Finished difference. Result has 62 places, 51 transitions, 189 flow [2024-11-27 20:29:02,162 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=189, PETRI_PLACES=62, PETRI_TRANSITIONS=51} [2024-11-27 20:29:02,162 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 1 predicate places. [2024-11-27 20:29:02,163 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 189 flow [2024-11-27 20:29:02,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 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) [2024-11-27 20:29:02,163 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:02,163 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:02,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:29:02,164 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:02,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:02,164 INFO L85 PathProgramCache]: Analyzing trace with hash 242161506, now seen corresponding path program 1 times [2024-11-27 20:29:02,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:02,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402907180] [2024-11-27 20:29:02,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:02,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:02,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:02,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:02,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402907180] [2024-11-27 20:29:02,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402907180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:02,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:02,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:29:02,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316370149] [2024-11-27 20:29:02,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:02,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:29:02,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:02,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:29:02,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:29:02,615 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 54 [2024-11-27 20:29:02,616 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 189 flow. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 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) [2024-11-27 20:29:02,616 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:02,616 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 54 [2024-11-27 20:29:02,617 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:03,593 INFO L124 PetriNetUnfolderBase]: 3029/4587 cut-off events. [2024-11-27 20:29:03,594 INFO L125 PetriNetUnfolderBase]: For 3551/3551 co-relation queries the response was YES. [2024-11-27 20:29:03,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11822 conditions, 4587 events. 3029/4587 cut-off events. For 3551/3551 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 26726 event pairs, 115 based on Foata normal form. 172/4722 useless extension candidates. Maximal degree in co-relation 11811. Up to 1633 conditions per place. [2024-11-27 20:29:03,630 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 72 selfloop transitions, 14 changer transitions 1/103 dead transitions. [2024-11-27 20:29:03,631 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 103 transitions, 515 flow [2024-11-27 20:29:03,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:29:03,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:29:03,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 215 transitions. [2024-11-27 20:29:03,633 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6635802469135802 [2024-11-27 20:29:03,633 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 189 flow. Second operand 6 states and 215 transitions. [2024-11-27 20:29:03,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 103 transitions, 515 flow [2024-11-27 20:29:03,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 103 transitions, 485 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-27 20:29:03,653 INFO L231 Difference]: Finished difference. Result has 65 places, 55 transitions, 239 flow [2024-11-27 20:29:03,654 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=239, PETRI_PLACES=65, PETRI_TRANSITIONS=55} [2024-11-27 20:29:03,655 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 4 predicate places. [2024-11-27 20:29:03,656 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 55 transitions, 239 flow [2024-11-27 20:29:03,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 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) [2024-11-27 20:29:03,657 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:03,657 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:03,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:29:03,660 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:03,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:03,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1918409577, now seen corresponding path program 1 times [2024-11-27 20:29:03,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:03,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761032050] [2024-11-27 20:29:03,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:03,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:04,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:04,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:04,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761032050] [2024-11-27 20:29:04,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761032050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:04,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:04,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:29:04,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490371457] [2024-11-27 20:29:04,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:04,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:29:04,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:04,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:29:04,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:29:04,226 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 54 [2024-11-27 20:29:04,227 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 55 transitions, 239 flow. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 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) [2024-11-27 20:29:04,227 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:04,227 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 54 [2024-11-27 20:29:04,227 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:05,055 INFO L124 PetriNetUnfolderBase]: 1857/2747 cut-off events. [2024-11-27 20:29:05,056 INFO L125 PetriNetUnfolderBase]: For 3789/3789 co-relation queries the response was YES. [2024-11-27 20:29:05,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7927 conditions, 2747 events. 1857/2747 cut-off events. For 3789/3789 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 13998 event pairs, 77 based on Foata normal form. 80/2791 useless extension candidates. Maximal degree in co-relation 7915. Up to 828 conditions per place. [2024-11-27 20:29:05,085 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 65 selfloop transitions, 18 changer transitions 1/100 dead transitions. [2024-11-27 20:29:05,085 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 100 transitions, 513 flow [2024-11-27 20:29:05,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:29:05,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-27 20:29:05,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 233 transitions. [2024-11-27 20:29:05,087 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6164021164021164 [2024-11-27 20:29:05,087 INFO L175 Difference]: Start difference. First operand has 65 places, 55 transitions, 239 flow. Second operand 7 states and 233 transitions. [2024-11-27 20:29:05,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 100 transitions, 513 flow [2024-11-27 20:29:05,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 100 transitions, 467 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-11-27 20:29:05,117 INFO L231 Difference]: Finished difference. Result has 68 places, 55 transitions, 249 flow [2024-11-27 20:29:05,118 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=249, PETRI_PLACES=68, PETRI_TRANSITIONS=55} [2024-11-27 20:29:05,120 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 7 predicate places. [2024-11-27 20:29:05,121 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 55 transitions, 249 flow [2024-11-27 20:29:05,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 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) [2024-11-27 20:29:05,121 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:05,121 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:05,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:29:05,122 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:05,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:05,123 INFO L85 PathProgramCache]: Analyzing trace with hash -834859100, now seen corresponding path program 1 times [2024-11-27 20:29:05,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:05,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667154930] [2024-11-27 20:29:05,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:05,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:07,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:07,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:07,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667154930] [2024-11-27 20:29:07,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667154930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:07,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:07,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:29:07,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682082418] [2024-11-27 20:29:07,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:07,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:29:07,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:07,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:29:07,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:29:07,615 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 54 [2024-11-27 20:29:07,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 55 transitions, 249 flow. Second operand has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 7 states have internal predecessors, (164), 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) [2024-11-27 20:29:07,616 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:07,616 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 54 [2024-11-27 20:29:07,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:09,123 INFO L124 PetriNetUnfolderBase]: 5258/8411 cut-off events. [2024-11-27 20:29:09,123 INFO L125 PetriNetUnfolderBase]: For 3646/3748 co-relation queries the response was YES. [2024-11-27 20:29:09,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19755 conditions, 8411 events. 5258/8411 cut-off events. For 3646/3748 co-relation queries the response was YES. Maximal size of possible extension queue 456. Compared 56758 event pairs, 1187 based on Foata normal form. 16/8175 useless extension candidates. Maximal degree in co-relation 19742. Up to 3198 conditions per place. [2024-11-27 20:29:09,200 INFO L140 encePairwiseOnDemand]: 40/54 looper letters, 54 selfloop transitions, 18 changer transitions 34/133 dead transitions. [2024-11-27 20:29:09,200 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 133 transitions, 645 flow [2024-11-27 20:29:09,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:29:09,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 20:29:09,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 267 transitions. [2024-11-27 20:29:09,203 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6180555555555556 [2024-11-27 20:29:09,203 INFO L175 Difference]: Start difference. First operand has 68 places, 55 transitions, 249 flow. Second operand 8 states and 267 transitions. [2024-11-27 20:29:09,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 133 transitions, 645 flow [2024-11-27 20:29:09,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 133 transitions, 539 flow, removed 22 selfloop flow, removed 10 redundant places. [2024-11-27 20:29:09,333 INFO L231 Difference]: Finished difference. Result has 71 places, 70 transitions, 283 flow [2024-11-27 20:29:09,334 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=283, PETRI_PLACES=71, PETRI_TRANSITIONS=70} [2024-11-27 20:29:09,335 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 10 predicate places. [2024-11-27 20:29:09,335 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 70 transitions, 283 flow [2024-11-27 20:29:09,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 7 states have internal predecessors, (164), 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) [2024-11-27 20:29:09,335 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:09,335 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:09,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:29:09,336 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:09,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:09,337 INFO L85 PathProgramCache]: Analyzing trace with hash 580388172, now seen corresponding path program 2 times [2024-11-27 20:29:09,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:09,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685980382] [2024-11-27 20:29:09,337 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:29:09,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:09,458 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:29:09,458 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:29:09,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:09,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:09,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685980382] [2024-11-27 20:29:09,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685980382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:09,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:09,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:29:09,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616797772] [2024-11-27 20:29:09,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:09,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:29:09,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:09,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:29:09,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:29:09,912 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 54 [2024-11-27 20:29:09,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 70 transitions, 283 flow. Second operand has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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) [2024-11-27 20:29:09,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:09,913 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 54 [2024-11-27 20:29:09,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:11,052 INFO L124 PetriNetUnfolderBase]: 4559/7670 cut-off events. [2024-11-27 20:29:11,053 INFO L125 PetriNetUnfolderBase]: For 3775/4125 co-relation queries the response was YES. [2024-11-27 20:29:11,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20103 conditions, 7670 events. 4559/7670 cut-off events. For 3775/4125 co-relation queries the response was YES. Maximal size of possible extension queue 449. Compared 54306 event pairs, 1092 based on Foata normal form. 136/7369 useless extension candidates. Maximal degree in co-relation 20089. Up to 3081 conditions per place. [2024-11-27 20:29:11,111 INFO L140 encePairwiseOnDemand]: 49/54 looper letters, 51 selfloop transitions, 3 changer transitions 27/119 dead transitions. [2024-11-27 20:29:11,111 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 119 transitions, 631 flow [2024-11-27 20:29:11,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:29:11,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:29:11,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 205 transitions. [2024-11-27 20:29:11,113 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6327160493827161 [2024-11-27 20:29:11,113 INFO L175 Difference]: Start difference. First operand has 71 places, 70 transitions, 283 flow. Second operand 6 states and 205 transitions. [2024-11-27 20:29:11,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 119 transitions, 631 flow [2024-11-27 20:29:11,125 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 119 transitions, 621 flow, removed 5 selfloop flow, removed 3 redundant places. [2024-11-27 20:29:11,127 INFO L231 Difference]: Finished difference. Result has 74 places, 71 transitions, 303 flow [2024-11-27 20:29:11,128 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=277, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=303, PETRI_PLACES=74, PETRI_TRANSITIONS=71} [2024-11-27 20:29:11,128 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 13 predicate places. [2024-11-27 20:29:11,129 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 71 transitions, 303 flow [2024-11-27 20:29:11,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 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) [2024-11-27 20:29:11,129 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:11,129 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:11,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:29:11,130 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:11,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:11,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1848085538, now seen corresponding path program 3 times [2024-11-27 20:29:11,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:11,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588176157] [2024-11-27 20:29:11,131 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:29:11,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:11,255 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 20:29:11,255 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:29:12,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:12,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:12,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588176157] [2024-11-27 20:29:12,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588176157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:12,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:12,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:29:12,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417221674] [2024-11-27 20:29:12,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:12,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:29:12,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:12,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:29:12,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:29:12,466 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 54 [2024-11-27 20:29:12,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 71 transitions, 303 flow. Second operand has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 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) [2024-11-27 20:29:12,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:12,467 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 54 [2024-11-27 20:29:12,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:13,716 INFO L124 PetriNetUnfolderBase]: 6303/10453 cut-off events. [2024-11-27 20:29:13,716 INFO L125 PetriNetUnfolderBase]: For 5170/5311 co-relation queries the response was YES. [2024-11-27 20:29:13,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27692 conditions, 10453 events. 6303/10453 cut-off events. For 5170/5311 co-relation queries the response was YES. Maximal size of possible extension queue 670. Compared 77016 event pairs, 1640 based on Foata normal form. 40/10027 useless extension candidates. Maximal degree in co-relation 27676. Up to 4104 conditions per place. [2024-11-27 20:29:13,782 INFO L140 encePairwiseOnDemand]: 45/54 looper letters, 31 selfloop transitions, 6 changer transitions 43/109 dead transitions. [2024-11-27 20:29:13,782 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 109 transitions, 603 flow [2024-11-27 20:29:13,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:29:13,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:29:13,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 191 transitions. [2024-11-27 20:29:13,784 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5895061728395061 [2024-11-27 20:29:13,784 INFO L175 Difference]: Start difference. First operand has 74 places, 71 transitions, 303 flow. Second operand 6 states and 191 transitions. [2024-11-27 20:29:13,784 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 109 transitions, 603 flow [2024-11-27 20:29:13,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 109 transitions, 596 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-11-27 20:29:13,813 INFO L231 Difference]: Finished difference. Result has 77 places, 59 transitions, 243 flow [2024-11-27 20:29:13,813 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=243, PETRI_PLACES=77, PETRI_TRANSITIONS=59} [2024-11-27 20:29:13,814 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 16 predicate places. [2024-11-27 20:29:13,814 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 59 transitions, 243 flow [2024-11-27 20:29:13,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 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) [2024-11-27 20:29:13,815 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:13,815 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:13,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:29:13,815 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:13,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:13,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1382728446, now seen corresponding path program 4 times [2024-11-27 20:29:13,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:13,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083705512] [2024-11-27 20:29:13,816 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:29:13,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:13,949 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:29:13,949 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:29:16,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:16,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:16,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083705512] [2024-11-27 20:29:16,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083705512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:16,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:16,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-27 20:29:16,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106167755] [2024-11-27 20:29:16,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:16,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-27 20:29:16,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:16,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-27 20:29:16,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-27 20:29:16,764 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 54 [2024-11-27 20:29:16,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 59 transitions, 243 flow. Second operand has 11 states, 11 states have (on average 26.727272727272727) internal successors, (294), 11 states have internal predecessors, (294), 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) [2024-11-27 20:29:16,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:16,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 54 [2024-11-27 20:29:16,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:17,943 INFO L124 PetriNetUnfolderBase]: 2571/4610 cut-off events. [2024-11-27 20:29:17,943 INFO L125 PetriNetUnfolderBase]: For 1117/1267 co-relation queries the response was YES. [2024-11-27 20:29:17,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10527 conditions, 4610 events. 2571/4610 cut-off events. For 1117/1267 co-relation queries the response was YES. Maximal size of possible extension queue 281. Compared 30688 event pairs, 881 based on Foata normal form. 44/4317 useless extension candidates. Maximal degree in co-relation 10509. Up to 1153 conditions per place. [2024-11-27 20:29:17,985 INFO L140 encePairwiseOnDemand]: 46/54 looper letters, 40 selfloop transitions, 4 changer transitions 27/105 dead transitions. [2024-11-27 20:29:17,986 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 105 transitions, 513 flow [2024-11-27 20:29:17,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:29:17,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 20:29:17,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 270 transitions. [2024-11-27 20:29:17,988 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.625 [2024-11-27 20:29:17,988 INFO L175 Difference]: Start difference. First operand has 77 places, 59 transitions, 243 flow. Second operand 8 states and 270 transitions. [2024-11-27 20:29:17,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 105 transitions, 513 flow [2024-11-27 20:29:17,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 105 transitions, 479 flow, removed 11 selfloop flow, removed 6 redundant places. [2024-11-27 20:29:17,995 INFO L231 Difference]: Finished difference. Result has 80 places, 59 transitions, 247 flow [2024-11-27 20:29:17,996 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=247, PETRI_PLACES=80, PETRI_TRANSITIONS=59} [2024-11-27 20:29:17,997 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 19 predicate places. [2024-11-27 20:29:17,997 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 59 transitions, 247 flow [2024-11-27 20:29:17,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 26.727272727272727) internal successors, (294), 11 states have internal predecessors, (294), 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) [2024-11-27 20:29:17,998 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:17,998 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:17,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 20:29:17,998 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:17,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:18,000 INFO L85 PathProgramCache]: Analyzing trace with hash -452918806, now seen corresponding path program 5 times [2024-11-27 20:29:18,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:18,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667962620] [2024-11-27 20:29:18,000 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:29:18,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:18,139 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:29:18,139 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-27 20:29:18,139 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:29:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:29:18,323 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 20:29:18,323 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 20:29:18,325 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (7 of 8 remaining) [2024-11-27 20:29:18,328 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (6 of 8 remaining) [2024-11-27 20:29:18,331 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (5 of 8 remaining) [2024-11-27 20:29:18,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2024-11-27 20:29:18,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-11-27 20:29:18,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-11-27 20:29:18,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-11-27 20:29:18,332 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 8 remaining) [2024-11-27 20:29:18,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 20:29:18,333 INFO L422 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:18,505 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 20:29:18,505 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:29:18,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:29:18 BasicIcfg [2024-11-27 20:29:18,517 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:29:18,518 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:29:18,518 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:29:18,518 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:29:18,519 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:28:54" (3/4) ... [2024-11-27 20:29:18,525 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:29:18,526 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:29:18,528 INFO L158 Benchmark]: Toolchain (without parser) took 26271.68ms. Allocated memory was 142.6MB in the beginning and 922.7MB in the end (delta: 780.1MB). Free memory was 99.3MB in the beginning and 562.3MB in the end (delta: -462.9MB). Peak memory consumption was 316.8MB. Max. memory is 16.1GB. [2024-11-27 20:29:18,530 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:29:18,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.16ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 76.0MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 20:29:18,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.25ms. Allocated memory is still 142.6MB. Free memory was 76.0MB in the beginning and 73.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:29:18,531 INFO L158 Benchmark]: Boogie Preprocessor took 100.99ms. Allocated memory is still 142.6MB. Free memory was 73.3MB in the beginning and 70.2MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:29:18,533 INFO L158 Benchmark]: RCFGBuilder took 1176.27ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 70.2MB in the beginning and 276.4MB in the end (delta: -206.2MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2024-11-27 20:29:18,534 INFO L158 Benchmark]: TraceAbstraction took 24227.43ms. Allocated memory was 335.5MB in the beginning and 922.7MB in the end (delta: 587.2MB). Free memory was 276.4MB in the beginning and 562.5MB in the end (delta: -286.1MB). Peak memory consumption was 301.6MB. Max. memory is 16.1GB. [2024-11-27 20:29:18,534 INFO L158 Benchmark]: Witness Printer took 9.33ms. Allocated memory is still 922.7MB. Free memory was 562.5MB in the beginning and 562.3MB in the end (delta: 194.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:29:18,539 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.16ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 76.0MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.25ms. Allocated memory is still 142.6MB. Free memory was 76.0MB in the beginning and 73.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 100.99ms. Allocated memory is still 142.6MB. Free memory was 73.3MB in the beginning and 70.2MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1176.27ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 70.2MB in the beginning and 276.4MB in the end (delta: -206.2MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. * TraceAbstraction took 24227.43ms. Allocated memory was 335.5MB in the beginning and 922.7MB in the end (delta: 587.2MB). Free memory was 276.4MB in the beginning and 562.5MB in the end (delta: -286.1MB). Peak memory consumption was 301.6MB. Max. memory is 16.1GB. * Witness Printer took 9.33ms. Allocated memory is still 922.7MB. Free memory was 562.5MB in the beginning and 562.3MB in the end (delta: 194.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L719] 0 _Bool main$tmp_guard0; [L720] 0 _Bool main$tmp_guard1; [L722] 0 int x = 0; [L724] 0 int y = 0; [L725] 0 _Bool y$flush_delayed; [L726] 0 int y$mem_tmp; [L727] 0 _Bool y$r_buff0_thd0; [L728] 0 _Bool y$r_buff0_thd1; [L729] 0 _Bool y$r_buff0_thd2; [L730] 0 _Bool y$r_buff0_thd3; [L731] 0 _Bool y$r_buff0_thd4; [L732] 0 _Bool y$r_buff1_thd0; [L733] 0 _Bool y$r_buff1_thd1; [L734] 0 _Bool y$r_buff1_thd2; [L735] 0 _Bool y$r_buff1_thd3; [L736] 0 _Bool y$r_buff1_thd4; [L737] 0 _Bool y$read_delayed; [L738] 0 int *y$read_delayed_var; [L739] 0 int y$w_buff0; [L740] 0 _Bool y$w_buff0_used; [L741] 0 int y$w_buff1; [L742] 0 _Bool y$w_buff1_used; [L744] 0 int z = 0; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L846] 0 pthread_t t773; [L847] FCALL, FORK 0 pthread_create(&t773, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t773=-1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L848] 0 pthread_t t774; [L849] FCALL, FORK 0 pthread_create(&t774, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t773=-1, t774=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L850] 0 pthread_t t775; [L851] FCALL, FORK 0 pthread_create(&t775, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t773=-1, t774=0, t775=1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L852] 0 pthread_t t776; [L853] FCALL, FORK 0 pthread_create(&t776, ((void *)0), P3, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t773=-1, t774=0, t775=1, t776=2, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L785] 3 y$w_buff1 = y$w_buff0 [L786] 3 y$w_buff0 = 2 [L787] 3 y$w_buff1_used = y$w_buff0_used [L788] 3 y$w_buff0_used = (_Bool)1 [L789] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L789] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L790] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L791] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L792] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L793] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L794] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L795] 3 y$r_buff0_thd3 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L798] 3 z = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L815] 4 z = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L818] 4 __unbuffered_p3_EAX = z VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L821] 4 __unbuffered_p3_EBX = a VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L750] 1 a = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L753] 1 __unbuffered_p0_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L765] 2 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=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=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L768] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=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=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1, z=2] [L771] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L772] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L773] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L774] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L775] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=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=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1, z=2] [L801] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L802] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L803] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L804] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L805] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L824] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L825] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L826] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L827] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L828] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=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=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L808] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L758] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=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=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L778] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=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=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L831] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=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=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L855] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t773=-1, t774=0, t775=1, t776=2, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L857] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L857] RET 0 assume_abort_if_not(main$tmp_guard0) [L859] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L860] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L861] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L862] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L863] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t773=-1, t774=0, t775=1, t776=2, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L866] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L867] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L868] 0 y$flush_delayed = weak$$choice2 [L869] 0 y$mem_tmp = y [L870] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L871] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L872] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L873] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L874] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L876] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L878] 0 y = y$flush_delayed ? y$mem_tmp : y [L879] 0 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t773=-1, t774=0, t775=1, t776=2, weak$$choice0=1, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L881] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L17] 0 __assert_fail ("0", "mix029_power.opt_pso.opt_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, 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: 844]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 853]: 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: 851]: 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: 849]: 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: 847]: 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 9 procedures, 87 locations, 8 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: 23.9s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 13.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 650 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 612 mSDsluCounter, 202 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 160 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1331 IncrementalHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 42 mSDtfsCounter, 1331 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=303occurred in iteration=8, InterpolantAutomatonStates: 56, 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, 1.2s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 313 NumberOfCodeBlocks, 313 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 1620 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-27 20:29:18,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b278c8af08551c2e27294e2c5dca8c5bd0f6f00874366f88466c32210c557af --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:29:21,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:29:21,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-27 20:29:21,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:29:21,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:29:21,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:29:21,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:29:21,979 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:29:21,979 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:29:21,980 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:29:21,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:29:21,980 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:29:21,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:29:21,981 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:29:21,981 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:29:21,981 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:29:21,981 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:29:21,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:29:21,981 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:29:21,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:29:21,982 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-27 20:29:21,982 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-27 20:29:21,982 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-27 20:29:21,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:29:21,983 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:29:21,987 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 20:29:21,987 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 20:29:21,987 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:29:21,987 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:29:21,987 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:29:21,988 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:29:21,988 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:29:21,988 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:29:21,988 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:29:21,988 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:29:21,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:29:21,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:29:21,988 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:29:21,988 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:29:21,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:29:21,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:29:21,989 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:29:21,989 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:29:21,989 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 20:29:21,989 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 20:29:21,989 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:29:21,989 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:29:21,989 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:29:21,990 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:29:21,990 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b278c8af08551c2e27294e2c5dca8c5bd0f6f00874366f88466c32210c557af [2024-11-27 20:29:22,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:29:22,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:29:22,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:29:22,379 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:29:22,380 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:29:22,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i [2024-11-27 20:29:25,591 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/data/4a4a041cc/71ca99386e3d42eead46985100a5147d/FLAGf39f5ff40 [2024-11-27 20:29:26,043 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:29:26,044 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i [2024-11-27 20:29:26,070 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/data/4a4a041cc/71ca99386e3d42eead46985100a5147d/FLAGf39f5ff40 [2024-11-27 20:29:26,097 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/data/4a4a041cc/71ca99386e3d42eead46985100a5147d [2024-11-27 20:29:26,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:29:26,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:29:26,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:29:26,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:29:26,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:29:26,118 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:29:26" (1/1) ... [2024-11-27 20:29:26,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@545d0930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:26, skipping insertion in model container [2024-11-27 20:29:26,121 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:29:26" (1/1) ... [2024-11-27 20:29:26,184 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:29:26,737 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:29:26,754 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:29:26,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:29:26,923 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:29:26,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:26 WrapperNode [2024-11-27 20:29:26,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:29:26,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:29:26,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:29:26,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:29:26,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:26" (1/1) ... [2024-11-27 20:29:26,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:26" (1/1) ... [2024-11-27 20:29:27,011 INFO L138 Inliner]: procedures = 177, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 151 [2024-11-27 20:29:27,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:29:27,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:29:27,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:29:27,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:29:27,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:26" (1/1) ... [2024-11-27 20:29:27,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:26" (1/1) ... [2024-11-27 20:29:27,039 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:26" (1/1) ... [2024-11-27 20:29:27,076 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]. [2024-11-27 20:29:27,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:26" (1/1) ... [2024-11-27 20:29:27,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:26" (1/1) ... [2024-11-27 20:29:27,098 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:26" (1/1) ... [2024-11-27 20:29:27,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:26" (1/1) ... [2024-11-27 20:29:27,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:26" (1/1) ... [2024-11-27 20:29:27,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:26" (1/1) ... [2024-11-27 20:29:27,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:26" (1/1) ... [2024-11-27 20:29:27,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:29:27,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:29:27,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:29:27,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:29:27,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:26" (1/1) ... [2024-11-27 20:29:27,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:29:27,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:27,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:29:27,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:29:27,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 20:29:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:29:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 20:29:27,218 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-27 20:29:27,219 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-27 20:29:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-27 20:29:27,219 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-27 20:29:27,219 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-27 20:29:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-27 20:29:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-27 20:29:27,220 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-27 20:29:27,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 20:29:27,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:29:27,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:29:27,223 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 20:29:27,435 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:29:27,438 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:29:28,030 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 20:29:28,030 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:29:28,451 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:29:28,452 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 20:29:28,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:29:28 BoogieIcfgContainer [2024-11-27 20:29:28,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:29:28,455 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:29:28,455 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:29:28,461 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:29:28,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:29:26" (1/3) ... [2024-11-27 20:29:28,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f495474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:29:28, skipping insertion in model container [2024-11-27 20:29:28,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:29:26" (2/3) ... [2024-11-27 20:29:28,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f495474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:29:28, skipping insertion in model container [2024-11-27 20:29:28,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:29:28" (3/3) ... [2024-11-27 20:29:28,465 INFO L128 eAbstractionObserver]: Analyzing ICFG mix029_power.opt_pso.opt_rmo.opt.i [2024-11-27 20:29:28,486 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:29:28,488 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix029_power.opt_pso.opt_rmo.opt.i that has 5 procedures, 53 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-27 20:29:28,488 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 20:29:28,602 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-27 20:29:28,658 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 54 transitions, 124 flow [2024-11-27 20:29:28,727 INFO L124 PetriNetUnfolderBase]: 2/50 cut-off events. [2024-11-27 20:29:28,730 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:29:28,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 50 events. 2/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 102 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2024-11-27 20:29:28,737 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 54 transitions, 124 flow [2024-11-27 20:29:28,743 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 50 transitions, 112 flow [2024-11-27 20:29:28,757 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:29:28,783 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;@4e0e6f8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:29:28,783 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-27 20:29:28,800 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 20:29:28,800 INFO L124 PetriNetUnfolderBase]: 0/16 cut-off events. [2024-11-27 20:29:28,800 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:29:28,801 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:28,801 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:28,802 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:28,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:28,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1467651085, now seen corresponding path program 1 times [2024-11-27 20:29:28,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:28,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1546266973] [2024-11-27 20:29:28,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:28,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:28,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:28,833 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:29:28,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:29:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:29,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:29:29,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:29,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:29,099 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:29,100 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:29,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546266973] [2024-11-27 20:29:29,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546266973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:29,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:29,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-27 20:29:29,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330451660] [2024-11-27 20:29:29,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:29,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:29:29,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:29,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:29:29,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:29:29,160 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 54 [2024-11-27 20:29:29,166 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:29,166 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:29,167 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 54 [2024-11-27 20:29:29,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:30,401 INFO L124 PetriNetUnfolderBase]: 1711/2911 cut-off events. [2024-11-27 20:29:30,403 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-27 20:29:30,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5407 conditions, 2911 events. 1711/2911 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 21030 event pairs, 310 based on Foata normal form. 144/3008 useless extension candidates. Maximal degree in co-relation 5395. Up to 1924 conditions per place. [2024-11-27 20:29:30,447 INFO L140 encePairwiseOnDemand]: 49/54 looper letters, 35 selfloop transitions, 2 changer transitions 2/61 dead transitions. [2024-11-27 20:29:30,447 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 61 transitions, 215 flow [2024-11-27 20:29:30,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:29:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:29:30,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 122 transitions. [2024-11-27 20:29:30,469 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7530864197530864 [2024-11-27 20:29:30,472 INFO L175 Difference]: Start difference. First operand has 61 places, 50 transitions, 112 flow. Second operand 3 states and 122 transitions. [2024-11-27 20:29:30,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 61 transitions, 215 flow [2024-11-27 20:29:30,481 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 61 transitions, 210 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-27 20:29:30,488 INFO L231 Difference]: Finished difference. Result has 57 places, 45 transitions, 102 flow [2024-11-27 20:29:30,492 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=57, PETRI_TRANSITIONS=45} [2024-11-27 20:29:30,497 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -4 predicate places. [2024-11-27 20:29:30,497 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 45 transitions, 102 flow [2024-11-27 20:29:30,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:29:30,498 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:30,500 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:30,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:29:30,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:30,705 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:30,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:30,706 INFO L85 PathProgramCache]: Analyzing trace with hash -718133832, now seen corresponding path program 1 times [2024-11-27 20:29:30,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:30,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [135222292] [2024-11-27 20:29:30,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:30,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:30,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:30,712 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:29:30,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:29:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:30,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:29:30,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:30,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:30,911 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:30,911 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:30,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135222292] [2024-11-27 20:29:30,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135222292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:30,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:30,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-27 20:29:30,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436114014] [2024-11-27 20:29:30,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:30,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:29:30,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:30,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:29:30,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:29:30,914 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 54 [2024-11-27 20:29:30,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 45 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2024-11-27 20:29:30,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:30,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 54 [2024-11-27 20:29:30,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:31,536 INFO L124 PetriNetUnfolderBase]: 1525/2605 cut-off events. [2024-11-27 20:29:31,536 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2024-11-27 20:29:31,546 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4997 conditions, 2605 events. 1525/2605 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 18967 event pairs, 1525 based on Foata normal form. 72/2558 useless extension candidates. Maximal degree in co-relation 4987. Up to 2166 conditions per place. [2024-11-27 20:29:31,564 INFO L140 encePairwiseOnDemand]: 52/54 looper letters, 21 selfloop transitions, 1 changer transitions 1/44 dead transitions. [2024-11-27 20:29:31,564 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 44 transitions, 146 flow [2024-11-27 20:29:31,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:29:31,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:29:31,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2024-11-27 20:29:31,567 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6111111111111112 [2024-11-27 20:29:31,567 INFO L175 Difference]: Start difference. First operand has 57 places, 45 transitions, 102 flow. Second operand 3 states and 99 transitions. [2024-11-27 20:29:31,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 44 transitions, 146 flow [2024-11-27 20:29:31,571 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 44 transitions, 142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:29:31,572 INFO L231 Difference]: Finished difference. Result has 55 places, 43 transitions, 96 flow [2024-11-27 20:29:31,572 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=55, PETRI_TRANSITIONS=43} [2024-11-27 20:29:31,574 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -6 predicate places. [2024-11-27 20:29:31,574 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 43 transitions, 96 flow [2024-11-27 20:29:31,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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) [2024-11-27 20:29:31,575 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:31,576 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:31,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 20:29:31,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:31,777 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:31,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:31,778 INFO L85 PathProgramCache]: Analyzing trace with hash -718132610, now seen corresponding path program 1 times [2024-11-27 20:29:31,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:31,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [333266261] [2024-11-27 20:29:31,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:31,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:31,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:31,783 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:29:31,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:29:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:31,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-27 20:29:31,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:31,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:31,994 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:31,994 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:31,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333266261] [2024-11-27 20:29:31,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333266261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:31,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:31,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:29:31,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544061560] [2024-11-27 20:29:31,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:31,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:29:31,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:31,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:29:31,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:29:32,018 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 54 [2024-11-27 20:29:32,018 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 43 transitions, 96 flow. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 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) [2024-11-27 20:29:32,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:32,020 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 54 [2024-11-27 20:29:32,020 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:33,641 INFO L124 PetriNetUnfolderBase]: 5957/8915 cut-off events. [2024-11-27 20:29:33,642 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:29:33,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17267 conditions, 8915 events. 5957/8915 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 593. Compared 60584 event pairs, 663 based on Foata normal form. 240/9089 useless extension candidates. Maximal degree in co-relation 17261. Up to 5353 conditions per place. [2024-11-27 20:29:33,715 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 48 selfloop transitions, 6 changer transitions 1/71 dead transitions. [2024-11-27 20:29:33,716 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 71 transitions, 268 flow [2024-11-27 20:29:33,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:29:33,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-27 20:29:33,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 141 transitions. [2024-11-27 20:29:33,719 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6527777777777778 [2024-11-27 20:29:33,719 INFO L175 Difference]: Start difference. First operand has 55 places, 43 transitions, 96 flow. Second operand 4 states and 141 transitions. [2024-11-27 20:29:33,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 71 transitions, 268 flow [2024-11-27 20:29:33,720 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 71 transitions, 267 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:29:33,721 INFO L231 Difference]: Finished difference. Result has 58 places, 47 transitions, 137 flow [2024-11-27 20:29:33,722 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=137, PETRI_PLACES=58, PETRI_TRANSITIONS=47} [2024-11-27 20:29:33,722 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-11-27 20:29:33,723 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 47 transitions, 137 flow [2024-11-27 20:29:33,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 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) [2024-11-27 20:29:33,723 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:33,723 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:33,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 20:29:33,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:33,924 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:33,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:33,925 INFO L85 PathProgramCache]: Analyzing trace with hash -873695929, now seen corresponding path program 1 times [2024-11-27 20:29:33,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:33,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1917545455] [2024-11-27 20:29:33,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:33,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:33,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:33,928 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:29:33,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:29:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:34,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:29:34,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:34,143 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:34,143 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:34,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917545455] [2024-11-27 20:29:34,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917545455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:34,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:34,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:29:34,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322705977] [2024-11-27 20:29:34,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:34,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:29:34,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:34,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:29:34,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:34,166 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 54 [2024-11-27 20:29:34,166 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 47 transitions, 137 flow. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 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) [2024-11-27 20:29:34,166 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:34,166 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 54 [2024-11-27 20:29:34,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:35,557 INFO L124 PetriNetUnfolderBase]: 4789/7231 cut-off events. [2024-11-27 20:29:35,558 INFO L125 PetriNetUnfolderBase]: For 1858/1858 co-relation queries the response was YES. [2024-11-27 20:29:35,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16550 conditions, 7231 events. 4789/7231 cut-off events. For 1858/1858 co-relation queries the response was YES. Maximal size of possible extension queue 499. Compared 47363 event pairs, 249 based on Foata normal form. 228/7412 useless extension candidates. Maximal degree in co-relation 16541. Up to 3841 conditions per place. [2024-11-27 20:29:35,620 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 61 selfloop transitions, 10 changer transitions 1/88 dead transitions. [2024-11-27 20:29:35,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 88 transitions, 392 flow [2024-11-27 20:29:35,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:29:35,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-27 20:29:35,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 179 transitions. [2024-11-27 20:29:35,623 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.662962962962963 [2024-11-27 20:29:35,623 INFO L175 Difference]: Start difference. First operand has 58 places, 47 transitions, 137 flow. Second operand 5 states and 179 transitions. [2024-11-27 20:29:35,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 88 transitions, 392 flow [2024-11-27 20:29:35,627 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 88 transitions, 381 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-27 20:29:35,629 INFO L231 Difference]: Finished difference. Result has 62 places, 51 transitions, 189 flow [2024-11-27 20:29:35,629 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=189, PETRI_PLACES=62, PETRI_TRANSITIONS=51} [2024-11-27 20:29:35,630 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 1 predicate places. [2024-11-27 20:29:35,630 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 189 flow [2024-11-27 20:29:35,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 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) [2024-11-27 20:29:35,632 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:35,632 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:35,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 20:29:35,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:35,833 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:35,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:35,833 INFO L85 PathProgramCache]: Analyzing trace with hash 1943165988, now seen corresponding path program 1 times [2024-11-27 20:29:35,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:35,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1873756556] [2024-11-27 20:29:35,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:35,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:35,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:35,837 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:29:35,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:29:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:35,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:29:35,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:36,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:36,080 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:36,080 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:36,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873756556] [2024-11-27 20:29:36,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873756556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:36,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:36,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:29:36,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209527679] [2024-11-27 20:29:36,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:36,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:29:36,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:36,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:29:36,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:29:36,095 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 54 [2024-11-27 20:29:36,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 189 flow. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 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) [2024-11-27 20:29:36,096 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:36,096 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 54 [2024-11-27 20:29:36,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:37,239 INFO L124 PetriNetUnfolderBase]: 3029/4587 cut-off events. [2024-11-27 20:29:37,240 INFO L125 PetriNetUnfolderBase]: For 3551/3551 co-relation queries the response was YES. [2024-11-27 20:29:37,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11822 conditions, 4587 events. 3029/4587 cut-off events. For 3551/3551 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 26778 event pairs, 115 based on Foata normal form. 172/4722 useless extension candidates. Maximal degree in co-relation 11811. Up to 1633 conditions per place. [2024-11-27 20:29:37,283 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 72 selfloop transitions, 14 changer transitions 1/103 dead transitions. [2024-11-27 20:29:37,283 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 103 transitions, 515 flow [2024-11-27 20:29:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:29:37,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:29:37,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 215 transitions. [2024-11-27 20:29:37,286 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6635802469135802 [2024-11-27 20:29:37,286 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 189 flow. Second operand 6 states and 215 transitions. [2024-11-27 20:29:37,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 103 transitions, 515 flow [2024-11-27 20:29:37,311 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 103 transitions, 485 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-27 20:29:37,313 INFO L231 Difference]: Finished difference. Result has 65 places, 55 transitions, 239 flow [2024-11-27 20:29:37,313 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=239, PETRI_PLACES=65, PETRI_TRANSITIONS=55} [2024-11-27 20:29:37,314 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 4 predicate places. [2024-11-27 20:29:37,316 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 55 transitions, 239 flow [2024-11-27 20:29:37,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 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) [2024-11-27 20:29:37,316 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:37,317 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:37,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 20:29:37,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:37,522 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:37,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:37,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1658316951, now seen corresponding path program 1 times [2024-11-27 20:29:37,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:37,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1466065196] [2024-11-27 20:29:37,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:37,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:37,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:37,528 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:29:37,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 20:29:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:37,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-27 20:29:37,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:37,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:37,796 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:37,797 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:37,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466065196] [2024-11-27 20:29:37,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466065196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:37,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:37,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:29:37,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490324652] [2024-11-27 20:29:37,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:37,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:29:37,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:37,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:29:37,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:29:37,827 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 54 [2024-11-27 20:29:37,827 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 55 transitions, 239 flow. Second operand has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 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) [2024-11-27 20:29:37,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:37,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 54 [2024-11-27 20:29:37,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:38,652 INFO L124 PetriNetUnfolderBase]: 1857/2747 cut-off events. [2024-11-27 20:29:38,653 INFO L125 PetriNetUnfolderBase]: For 3789/3789 co-relation queries the response was YES. [2024-11-27 20:29:38,661 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7927 conditions, 2747 events. 1857/2747 cut-off events. For 3789/3789 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 14001 event pairs, 77 based on Foata normal form. 80/2791 useless extension candidates. Maximal degree in co-relation 7915. Up to 828 conditions per place. [2024-11-27 20:29:38,674 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 65 selfloop transitions, 18 changer transitions 1/100 dead transitions. [2024-11-27 20:29:38,674 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 100 transitions, 513 flow [2024-11-27 20:29:38,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:29:38,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-27 20:29:38,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 233 transitions. [2024-11-27 20:29:38,676 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6164021164021164 [2024-11-27 20:29:38,677 INFO L175 Difference]: Start difference. First operand has 65 places, 55 transitions, 239 flow. Second operand 7 states and 233 transitions. [2024-11-27 20:29:38,677 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 100 transitions, 513 flow [2024-11-27 20:29:38,698 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 100 transitions, 467 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-11-27 20:29:38,702 INFO L231 Difference]: Finished difference. Result has 68 places, 55 transitions, 249 flow [2024-11-27 20:29:38,702 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=249, PETRI_PLACES=68, PETRI_TRANSITIONS=55} [2024-11-27 20:29:38,704 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 7 predicate places. [2024-11-27 20:29:38,705 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 55 transitions, 249 flow [2024-11-27 20:29:38,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.0) internal successors, (168), 7 states have internal predecessors, (168), 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) [2024-11-27 20:29:38,705 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:38,706 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:38,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-27 20:29:38,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:38,906 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:38,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:38,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1139638624, now seen corresponding path program 1 times [2024-11-27 20:29:38,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:38,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1029126674] [2024-11-27 20:29:38,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:38,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:38,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:38,913 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:29:38,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 20:29:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:39,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:29:39,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:39,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:39,696 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:39,696 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:39,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029126674] [2024-11-27 20:29:39,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029126674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:39,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:39,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 20:29:39,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847324785] [2024-11-27 20:29:39,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:39,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:29:39,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:39,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:29:39,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:29:39,741 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 54 [2024-11-27 20:29:39,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 55 transitions, 249 flow. Second operand has 9 states, 9 states have (on average 21.77777777777778) internal successors, (196), 9 states have internal predecessors, (196), 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) [2024-11-27 20:29:39,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:39,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 54 [2024-11-27 20:29:39,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:40,952 INFO L124 PetriNetUnfolderBase]: 4455/6481 cut-off events. [2024-11-27 20:29:40,952 INFO L125 PetriNetUnfolderBase]: For 6812/6812 co-relation queries the response was YES. [2024-11-27 20:29:40,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18092 conditions, 6481 events. 4455/6481 cut-off events. For 6812/6812 co-relation queries the response was YES. Maximal size of possible extension queue 325. Compared 36443 event pairs, 959 based on Foata normal form. 16/6445 useless extension candidates. Maximal degree in co-relation 18079. Up to 3617 conditions per place. [2024-11-27 20:29:41,003 INFO L140 encePairwiseOnDemand]: 43/54 looper letters, 56 selfloop transitions, 9 changer transitions 56/135 dead transitions. [2024-11-27 20:29:41,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 135 transitions, 813 flow [2024-11-27 20:29:41,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:29:41,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-27 20:29:41,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 277 transitions. [2024-11-27 20:29:41,011 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5699588477366255 [2024-11-27 20:29:41,011 INFO L175 Difference]: Start difference. First operand has 68 places, 55 transitions, 249 flow. Second operand 9 states and 277 transitions. [2024-11-27 20:29:41,011 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 135 transitions, 813 flow [2024-11-27 20:29:41,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 135 transitions, 612 flow, removed 34 selfloop flow, removed 10 redundant places. [2024-11-27 20:29:41,118 INFO L231 Difference]: Finished difference. Result has 72 places, 59 transitions, 207 flow [2024-11-27 20:29:41,119 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=207, PETRI_PLACES=72, PETRI_TRANSITIONS=59} [2024-11-27 20:29:41,120 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 11 predicate places. [2024-11-27 20:29:41,120 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 59 transitions, 207 flow [2024-11-27 20:29:41,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.77777777777778) internal successors, (196), 9 states have internal predecessors, (196), 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) [2024-11-27 20:29:41,120 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:41,120 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:41,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-27 20:29:41,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:41,321 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:41,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:41,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1916532828, now seen corresponding path program 2 times [2024-11-27 20:29:41,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:41,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [92319535] [2024-11-27 20:29:41,323 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:29:41,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:41,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:41,326 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:29:41,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 20:29:41,441 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:29:41,441 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:29:41,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:29:41,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:41,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:41,737 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:41,737 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:41,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92319535] [2024-11-27 20:29:41,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92319535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:41,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:41,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 20:29:41,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054519397] [2024-11-27 20:29:41,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:41,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:29:41,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:41,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:29:41,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:29:41,762 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 54 [2024-11-27 20:29:41,763 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 59 transitions, 207 flow. Second operand has 9 states, 9 states have (on average 21.77777777777778) internal successors, (196), 9 states have internal predecessors, (196), 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) [2024-11-27 20:29:41,763 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:41,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 54 [2024-11-27 20:29:41,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:42,716 INFO L124 PetriNetUnfolderBase]: 5237/7742 cut-off events. [2024-11-27 20:29:42,716 INFO L125 PetriNetUnfolderBase]: For 2015/2151 co-relation queries the response was YES. [2024-11-27 20:29:42,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18318 conditions, 7742 events. 5237/7742 cut-off events. For 2015/2151 co-relation queries the response was YES. Maximal size of possible extension queue 374. Compared 45108 event pairs, 1089 based on Foata normal form. 40/7648 useless extension candidates. Maximal degree in co-relation 18304. Up to 4433 conditions per place. [2024-11-27 20:29:42,770 INFO L140 encePairwiseOnDemand]: 43/54 looper letters, 59 selfloop transitions, 14 changer transitions 51/139 dead transitions. [2024-11-27 20:29:42,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 139 transitions, 718 flow [2024-11-27 20:29:42,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:29:42,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-27 20:29:42,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 272 transitions. [2024-11-27 20:29:42,773 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5596707818930041 [2024-11-27 20:29:42,773 INFO L175 Difference]: Start difference. First operand has 72 places, 59 transitions, 207 flow. Second operand 9 states and 272 transitions. [2024-11-27 20:29:42,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 139 transitions, 718 flow [2024-11-27 20:29:42,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 139 transitions, 664 flow, removed 7 selfloop flow, removed 6 redundant places. [2024-11-27 20:29:42,782 INFO L231 Difference]: Finished difference. Result has 75 places, 65 transitions, 265 flow [2024-11-27 20:29:42,783 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=265, PETRI_PLACES=75, PETRI_TRANSITIONS=65} [2024-11-27 20:29:42,784 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 14 predicate places. [2024-11-27 20:29:42,784 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 65 transitions, 265 flow [2024-11-27 20:29:42,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.77777777777778) internal successors, (196), 9 states have internal predecessors, (196), 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) [2024-11-27 20:29:42,785 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:42,785 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:42,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-27 20:29:42,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:42,989 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:42,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:42,990 INFO L85 PathProgramCache]: Analyzing trace with hash -637919612, now seen corresponding path program 3 times [2024-11-27 20:29:42,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:42,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2047626195] [2024-11-27 20:29:42,991 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 20:29:42,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:42,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:42,996 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:29:42,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-27 20:29:43,135 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 20:29:43,135 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:29:43,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:29:43,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:43,721 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:43,721 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:43,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047626195] [2024-11-27 20:29:43,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047626195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:43,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:43,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 20:29:43,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229033162] [2024-11-27 20:29:43,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:43,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:29:43,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:43,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:29:43,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:29:43,763 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 54 [2024-11-27 20:29:43,764 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 65 transitions, 265 flow. Second operand has 9 states, 9 states have (on average 21.77777777777778) internal successors, (196), 9 states have internal predecessors, (196), 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) [2024-11-27 20:29:43,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:43,764 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 54 [2024-11-27 20:29:43,764 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:44,849 INFO L124 PetriNetUnfolderBase]: 4831/7302 cut-off events. [2024-11-27 20:29:44,849 INFO L125 PetriNetUnfolderBase]: For 1904/2038 co-relation queries the response was YES. [2024-11-27 20:29:44,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17725 conditions, 7302 events. 4831/7302 cut-off events. For 1904/2038 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 41969 event pairs, 858 based on Foata normal form. 33/7201 useless extension candidates. Maximal degree in co-relation 17709. Up to 3636 conditions per place. [2024-11-27 20:29:44,895 INFO L140 encePairwiseOnDemand]: 43/54 looper letters, 72 selfloop transitions, 12 changer transitions 46/145 dead transitions. [2024-11-27 20:29:44,895 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 145 transitions, 750 flow [2024-11-27 20:29:44,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:29:44,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-27 20:29:44,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 278 transitions. [2024-11-27 20:29:44,897 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5720164609053497 [2024-11-27 20:29:44,897 INFO L175 Difference]: Start difference. First operand has 75 places, 65 transitions, 265 flow. Second operand 9 states and 278 transitions. [2024-11-27 20:29:44,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 145 transitions, 750 flow [2024-11-27 20:29:44,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 145 transitions, 723 flow, removed 7 selfloop flow, removed 5 redundant places. [2024-11-27 20:29:44,903 INFO L231 Difference]: Finished difference. Result has 78 places, 62 transitions, 262 flow [2024-11-27 20:29:44,903 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=262, PETRI_PLACES=78, PETRI_TRANSITIONS=62} [2024-11-27 20:29:44,904 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 17 predicate places. [2024-11-27 20:29:44,904 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 62 transitions, 262 flow [2024-11-27 20:29:44,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.77777777777778) internal successors, (196), 9 states have internal predecessors, (196), 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) [2024-11-27 20:29:44,904 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:44,904 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:44,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-27 20:29:45,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:45,105 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:45,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:45,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1389703336, now seen corresponding path program 4 times [2024-11-27 20:29:45,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:45,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [414606293] [2024-11-27 20:29:45,107 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-27 20:29:45,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:45,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:45,113 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:29:45,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-27 20:29:45,240 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-27 20:29:45,240 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:29:45,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 20:29:45,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:45,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:45,657 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:45,657 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:45,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414606293] [2024-11-27 20:29:45,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414606293] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:45,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:45,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 20:29:45,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831148938] [2024-11-27 20:29:45,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:45,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:29:45,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:45,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:29:45,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:29:45,677 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 54 [2024-11-27 20:29:45,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 62 transitions, 262 flow. Second operand has 9 states, 9 states have (on average 26.22222222222222) internal successors, (236), 9 states have internal predecessors, (236), 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) [2024-11-27 20:29:45,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:45,679 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 54 [2024-11-27 20:29:45,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:46,489 INFO L124 PetriNetUnfolderBase]: 3941/6894 cut-off events. [2024-11-27 20:29:46,489 INFO L125 PetriNetUnfolderBase]: For 964/997 co-relation queries the response was YES. [2024-11-27 20:29:46,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14391 conditions, 6894 events. 3941/6894 cut-off events. For 964/997 co-relation queries the response was YES. Maximal size of possible extension queue 464. Compared 50774 event pairs, 1393 based on Foata normal form. 16/6342 useless extension candidates. Maximal degree in co-relation 14373. Up to 2067 conditions per place. [2024-11-27 20:29:46,605 INFO L140 encePairwiseOnDemand]: 45/54 looper letters, 54 selfloop transitions, 5 changer transitions 17/114 dead transitions. [2024-11-27 20:29:46,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 114 transitions, 540 flow [2024-11-27 20:29:46,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 20:29:46,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 20:29:46,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 269 transitions. [2024-11-27 20:29:46,608 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6226851851851852 [2024-11-27 20:29:46,608 INFO L175 Difference]: Start difference. First operand has 78 places, 62 transitions, 262 flow. Second operand 8 states and 269 transitions. [2024-11-27 20:29:46,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 114 transitions, 540 flow [2024-11-27 20:29:46,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 114 transitions, 497 flow, removed 12 selfloop flow, removed 7 redundant places. [2024-11-27 20:29:46,616 INFO L231 Difference]: Finished difference. Result has 80 places, 66 transitions, 274 flow [2024-11-27 20:29:46,617 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=274, PETRI_PLACES=80, PETRI_TRANSITIONS=66} [2024-11-27 20:29:46,618 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 19 predicate places. [2024-11-27 20:29:46,619 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 66 transitions, 274 flow [2024-11-27 20:29:46,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 26.22222222222222) internal successors, (236), 9 states have internal predecessors, (236), 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) [2024-11-27 20:29:46,620 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:46,620 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:46,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-27 20:29:46,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:46,825 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:46,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:46,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1042534694, now seen corresponding path program 5 times [2024-11-27 20:29:46,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:46,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1954065583] [2024-11-27 20:29:46,826 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-27 20:29:46,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:46,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:46,828 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:29:46,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-27 20:29:46,938 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:29:46,938 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:29:46,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-27 20:29:46,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:47,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:47,095 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:47,095 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:47,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954065583] [2024-11-27 20:29:47,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954065583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:47,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:47,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:29:47,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261490530] [2024-11-27 20:29:47,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:47,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:29:47,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:47,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:29:47,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:29:47,113 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 54 [2024-11-27 20:29:47,113 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 66 transitions, 274 flow. Second operand has 6 states, 6 states have (on average 26.5) internal successors, (159), 6 states have internal predecessors, (159), 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) [2024-11-27 20:29:47,114 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:47,114 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 54 [2024-11-27 20:29:47,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:48,309 INFO L124 PetriNetUnfolderBase]: 6723/11404 cut-off events. [2024-11-27 20:29:48,310 INFO L125 PetriNetUnfolderBase]: For 2688/2940 co-relation queries the response was YES. [2024-11-27 20:29:48,337 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25924 conditions, 11404 events. 6723/11404 cut-off events. For 2688/2940 co-relation queries the response was YES. Maximal size of possible extension queue 876. Compared 91569 event pairs, 2577 based on Foata normal form. 44/10187 useless extension candidates. Maximal degree in co-relation 25905. Up to 4454 conditions per place. [2024-11-27 20:29:48,362 INFO L140 encePairwiseOnDemand]: 48/54 looper letters, 40 selfloop transitions, 2 changer transitions 17/97 dead transitions. [2024-11-27 20:29:48,362 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 97 transitions, 479 flow [2024-11-27 20:29:48,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:29:48,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:29:48,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 192 transitions. [2024-11-27 20:29:48,363 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5925925925925926 [2024-11-27 20:29:48,363 INFO L175 Difference]: Start difference. First operand has 80 places, 66 transitions, 274 flow. Second operand 6 states and 192 transitions. [2024-11-27 20:29:48,363 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 97 transitions, 479 flow [2024-11-27 20:29:48,369 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 97 transitions, 464 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-27 20:29:48,370 INFO L231 Difference]: Finished difference. Result has 82 places, 67 transitions, 283 flow [2024-11-27 20:29:48,371 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=283, PETRI_PLACES=82, PETRI_TRANSITIONS=67} [2024-11-27 20:29:48,371 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 21 predicate places. [2024-11-27 20:29:48,371 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 67 transitions, 283 flow [2024-11-27 20:29:48,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.5) internal successors, (159), 6 states have internal predecessors, (159), 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) [2024-11-27 20:29:48,372 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:48,372 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:48,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-27 20:29:48,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:48,572 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:48,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:48,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1924053002, now seen corresponding path program 6 times [2024-11-27 20:29:48,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:48,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1290257591] [2024-11-27 20:29:48,573 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-27 20:29:48,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:48,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:48,575 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:29:48,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-27 20:29:48,682 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-27 20:29:48,682 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:29:48,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:29:48,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:48,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:29:48,877 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:48,877 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:29:48,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290257591] [2024-11-27 20:29:48,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290257591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:48,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:48,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-27 20:29:48,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077770853] [2024-11-27 20:29:48,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:48,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:29:48,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:29:48,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:29:48,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:29:48,920 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 54 [2024-11-27 20:29:48,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 67 transitions, 283 flow. Second operand has 9 states, 9 states have (on average 21.77777777777778) internal successors, (196), 9 states have internal predecessors, (196), 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) [2024-11-27 20:29:48,921 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:29:48,921 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 54 [2024-11-27 20:29:48,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:29:51,477 INFO L124 PetriNetUnfolderBase]: 17060/25261 cut-off events. [2024-11-27 20:29:51,477 INFO L125 PetriNetUnfolderBase]: For 12206/12336 co-relation queries the response was YES. [2024-11-27 20:29:51,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 65886 conditions, 25261 events. 17060/25261 cut-off events. For 12206/12336 co-relation queries the response was YES. Maximal size of possible extension queue 1445. Compared 173927 event pairs, 3112 based on Foata normal form. 93/25038 useless extension candidates. Maximal degree in co-relation 65866. Up to 13228 conditions per place. [2024-11-27 20:29:51,550 INFO L140 encePairwiseOnDemand]: 43/54 looper letters, 55 selfloop transitions, 12 changer transitions 73/156 dead transitions. [2024-11-27 20:29:51,550 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 156 transitions, 864 flow [2024-11-27 20:29:51,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:29:51,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-27 20:29:51,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 275 transitions. [2024-11-27 20:29:51,553 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.565843621399177 [2024-11-27 20:29:51,553 INFO L175 Difference]: Start difference. First operand has 82 places, 67 transitions, 283 flow. Second operand 9 states and 275 transitions. [2024-11-27 20:29:51,553 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 156 transitions, 864 flow [2024-11-27 20:29:51,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 156 transitions, 852 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-27 20:29:51,561 INFO L231 Difference]: Finished difference. Result has 88 places, 66 transitions, 311 flow [2024-11-27 20:29:51,562 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=275, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=311, PETRI_PLACES=88, PETRI_TRANSITIONS=66} [2024-11-27 20:29:51,562 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 27 predicate places. [2024-11-27 20:29:51,562 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 66 transitions, 311 flow [2024-11-27 20:29:51,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.77777777777778) internal successors, (196), 9 states have internal predecessors, (196), 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) [2024-11-27 20:29:51,563 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:29:51,563 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:51,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-27 20:29:51,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:51,764 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-27 20:29:51,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:51,764 INFO L85 PathProgramCache]: Analyzing trace with hash 2060127150, now seen corresponding path program 7 times [2024-11-27 20:29:51,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:29:51,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1145758059] [2024-11-27 20:29:51,764 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-27 20:29:51,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:51,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:51,766 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:29:51,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-27 20:29:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:29:51,867 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:29:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:29:51,985 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-27 20:29:51,985 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 20:29:51,986 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (7 of 8 remaining) [2024-11-27 20:29:51,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (6 of 8 remaining) [2024-11-27 20:29:51,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (5 of 8 remaining) [2024-11-27 20:29:51,988 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2024-11-27 20:29:51,989 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-11-27 20:29:51,989 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-11-27 20:29:51,989 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-11-27 20:29:51,989 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 8 remaining) [2024-11-27 20:29:52,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-27 20:29:52,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:52,190 INFO L422 BasicCegarLoop]: Path program histogram: [7, 1, 1, 1, 1, 1, 1] [2024-11-27 20:29:52,326 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 20:29:52,326 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:29:52,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:29:52 BasicIcfg [2024-11-27 20:29:52,336 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:29:52,336 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:29:52,336 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:29:52,337 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:29:52,339 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:29:28" (3/4) ... [2024-11-27 20:29:52,342 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:29:52,343 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:29:52,344 INFO L158 Benchmark]: Toolchain (without parser) took 26240.59ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 91.1MB in the beginning and 999.3MB in the end (delta: -908.1MB). Peak memory consumption was 290.8MB. Max. memory is 16.1GB. [2024-11-27 20:29:52,345 INFO L158 Benchmark]: CDTParser took 2.34ms. Allocated memory is still 117.4MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:29:52,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 816.78ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 66.9MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 20:29:52,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.16ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 64.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:29:52,345 INFO L158 Benchmark]: Boogie Preprocessor took 111.70ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 61.3MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:29:52,346 INFO L158 Benchmark]: RCFGBuilder took 1323.67ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 61.3MB in the beginning and 217.6MB in the end (delta: -156.3MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-11-27 20:29:52,346 INFO L158 Benchmark]: TraceAbstraction took 23881.02ms. Allocated memory was 251.7MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 216.9MB in the beginning and 999.7MB in the end (delta: -782.7MB). Peak memory consumption was 284.1MB. Max. memory is 16.1GB. [2024-11-27 20:29:52,346 INFO L158 Benchmark]: Witness Printer took 7.19ms. Allocated memory is still 1.3GB. Free memory was 999.7MB in the beginning and 999.3MB in the end (delta: 377.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:29:52,350 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.34ms. Allocated memory is still 117.4MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 816.78ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 66.9MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.16ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 64.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 111.70ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 61.3MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1323.67ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 61.3MB in the beginning and 217.6MB in the end (delta: -156.3MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * TraceAbstraction took 23881.02ms. Allocated memory was 251.7MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 216.9MB in the beginning and 999.7MB in the end (delta: -782.7MB). Peak memory consumption was 284.1MB. Max. memory is 16.1GB. * Witness Printer took 7.19ms. Allocated memory is still 1.3GB. Free memory was 999.7MB in the beginning and 999.3MB in the end (delta: 377.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p3_EAX = 0; [L716] 0 int __unbuffered_p3_EBX = 0; [L718] 0 int a = 0; [L719] 0 _Bool main$tmp_guard0; [L720] 0 _Bool main$tmp_guard1; [L722] 0 int x = 0; [L724] 0 int y = 0; [L725] 0 _Bool y$flush_delayed; [L726] 0 int y$mem_tmp; [L727] 0 _Bool y$r_buff0_thd0; [L728] 0 _Bool y$r_buff0_thd1; [L729] 0 _Bool y$r_buff0_thd2; [L730] 0 _Bool y$r_buff0_thd3; [L731] 0 _Bool y$r_buff0_thd4; [L732] 0 _Bool y$r_buff1_thd0; [L733] 0 _Bool y$r_buff1_thd1; [L734] 0 _Bool y$r_buff1_thd2; [L735] 0 _Bool y$r_buff1_thd3; [L736] 0 _Bool y$r_buff1_thd4; [L737] 0 _Bool y$read_delayed; [L738] 0 int *y$read_delayed_var; [L739] 0 int y$w_buff0; [L740] 0 _Bool y$w_buff0_used; [L741] 0 int y$w_buff1; [L742] 0 _Bool y$w_buff1_used; [L744] 0 int z = 0; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L846] 0 pthread_t t773; [L847] FCALL, FORK 0 pthread_create(&t773, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t773=-3, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L848] 0 pthread_t t774; [L849] FCALL, FORK 0 pthread_create(&t774, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t773=-3, t774=-2, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L850] 0 pthread_t t775; [L851] FCALL, FORK 0 pthread_create(&t775, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t773=-3, t774=-2, t775=-1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L785] 3 y$w_buff1 = y$w_buff0 [L786] 3 y$w_buff0 = 2 [L787] 3 y$w_buff1_used = y$w_buff0_used [L788] 3 y$w_buff0_used = (_Bool)1 [L789] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L789] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L790] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L791] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L792] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L793] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L794] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L795] 3 y$r_buff0_thd3 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L798] 3 z = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L852] 0 pthread_t t776; [L853] FCALL, FORK 0 pthread_create(&t776, ((void *)0), P3, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t773=-3, t774=-2, t775=-1, t776=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L815] 4 z = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L818] 4 __unbuffered_p3_EAX = z VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L821] 4 __unbuffered_p3_EBX = a VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L750] 1 a = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L753] 1 __unbuffered_p0_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L765] 2 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=2] [L768] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1, z=2] [L801] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L802] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L803] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L804] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L805] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L771] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L772] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L773] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L774] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L775] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L824] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L825] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L826] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L827] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L828] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L758] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L778] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L808] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L831] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L855] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t773=-3, t774=-2, t775=-1, t776=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L857] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L857] RET 0 assume_abort_if_not(main$tmp_guard0) [L859] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L860] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L861] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L862] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L863] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t773=-3, t774=-2, t775=-1, t776=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L866] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L867] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L868] 0 y$flush_delayed = weak$$choice2 [L869] 0 y$mem_tmp = y [L870] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L871] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L872] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L873] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L874] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L875] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L876] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p3_EAX == 2 && __unbuffered_p3_EBX == 0) [L878] 0 y = y$flush_delayed ? y$mem_tmp : y [L879] 0 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t773=-3, t774=-2, t775=-1, t776=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L881] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, z=2] [L17] 0 __assert_fail ("0", "mix029_power.opt_pso.opt_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p3_EAX=2, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2, 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: 844]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 853]: 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: 851]: 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: 849]: 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: 847]: 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 9 procedures, 87 locations, 8 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: 23.5s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 15.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 765 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 704 mSDsluCounter, 367 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 328 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2960 IncrementalHoareTripleChecker+Invalid, 3000 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 39 mSDtfsCounter, 2960 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 367 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=311occurred in iteration=12, InterpolantAutomatonStates: 78, 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: 0.4s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 389 NumberOfCodeBlocks, 388 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 1452 SizeOfPredicates, 46 NumberOfNonLiveVariables, 1530 ConjunctsInSsa, 99 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-27 20:29:52,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4327a4aa-de57-4ba8-9219-b9ecbf1dc076/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample