./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe010_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/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_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe010_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/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_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/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 0b6ad05084ff5d70a22ef215b05587fd59d1867832386446579778aa62df8d63 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:20:27,326 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:20:27,440 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-28 03:20:27,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:20:27,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:20:27,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:20:27,474 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:20:27,475 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:20:27,475 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:20:27,475 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:20:27,476 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:20:27,476 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:20:27,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:20:27,476 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:20:27,477 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:20:27,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:20:27,477 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:20:27,477 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:20:27,477 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:20:27,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:20:27,478 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 03:20:27,478 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 03:20:27,478 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 03:20:27,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:20:27,478 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:20:27,478 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:20:27,478 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:20:27,478 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:20:27,478 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:20:27,479 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:20:27,479 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:20:27,479 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:20:27,479 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:20:27,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:20:27,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:20:27,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:20:27,480 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:20:27,480 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:20:27,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:20:27,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:20:27,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:20:27,481 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:20:27,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:20:27,481 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:20:27,481 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:20:27,481 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:20:27,481 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:20:27,482 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_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/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 -> 0b6ad05084ff5d70a22ef215b05587fd59d1867832386446579778aa62df8d63 [2024-11-28 03:20:27,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:20:27,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:20:27,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:20:27,868 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:20:27,870 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:20:27,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/safe010_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-28 03:20:30,976 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/data/aff769cd0/f706120f958c4eda89108ce81e667efe/FLAG67313281d [2024-11-28 03:20:31,268 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:20:31,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/sv-benchmarks/c/pthread-wmm/safe010_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-28 03:20:31,283 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/data/aff769cd0/f706120f958c4eda89108ce81e667efe/FLAG67313281d [2024-11-28 03:20:31,300 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/data/aff769cd0/f706120f958c4eda89108ce81e667efe [2024-11-28 03:20:31,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:20:31,304 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:20:31,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:20:31,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:20:31,312 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:20:31,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:31" (1/1) ... [2024-11-28 03:20:31,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af4676a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:31, skipping insertion in model container [2024-11-28 03:20:31,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:31" (1/1) ... [2024-11-28 03:20:31,349 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:20:31,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:20:31,917 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:20:32,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:20:32,060 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:20:32,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:32 WrapperNode [2024-11-28 03:20:32,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:20:32,062 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:20:32,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:20:32,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:20:32,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:32" (1/1) ... [2024-11-28 03:20:32,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:32" (1/1) ... [2024-11-28 03:20:32,136 INFO L138 Inliner]: procedures = 174, calls = 34, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 126 [2024-11-28 03:20:32,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:20:32,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:20:32,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:20:32,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:20:32,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:32" (1/1) ... [2024-11-28 03:20:32,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:32" (1/1) ... [2024-11-28 03:20:32,151 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:32" (1/1) ... [2024-11-28 03:20:32,168 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:20:32,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:32" (1/1) ... [2024-11-28 03:20:32,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:32" (1/1) ... [2024-11-28 03:20:32,176 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:32" (1/1) ... [2024-11-28 03:20:32,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:32" (1/1) ... [2024-11-28 03:20:32,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:32" (1/1) ... [2024-11-28 03:20:32,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:32" (1/1) ... [2024-11-28 03:20:32,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:32" (1/1) ... [2024-11-28 03:20:32,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:20:32,187 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:20:32,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:20:32,187 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:20:32,188 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:32" (1/1) ... [2024-11-28 03:20:32,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:20:32,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:32,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:20:32,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:20:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 03:20:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:20:32,264 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 03:20:32,265 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 03:20:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 03:20:32,265 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 03:20:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:20:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 03:20:32,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:20:32,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:20:32,267 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:20:32,450 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:20:32,451 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:20:32,822 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:20:32,822 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:20:33,116 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:20:33,117 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:20:33,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:33 BoogieIcfgContainer [2024-11-28 03:20:33,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:20:33,122 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:20:33,122 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:20:33,129 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:20:33,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:20:31" (1/3) ... [2024-11-28 03:20:33,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f3188e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:33, skipping insertion in model container [2024-11-28 03:20:33,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:32" (2/3) ... [2024-11-28 03:20:33,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f3188e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:33, skipping insertion in model container [2024-11-28 03:20:33,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:33" (3/3) ... [2024-11-28 03:20:33,136 INFO L128 eAbstractionObserver]: Analyzing ICFG safe010_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-28 03:20:33,160 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:20:33,162 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe010_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i that has 3 procedures, 34 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-28 03:20:33,162 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:20:33,243 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 03:20:33,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 35 transitions, 78 flow [2024-11-28 03:20:33,329 INFO L124 PetriNetUnfolderBase]: 2/33 cut-off events. [2024-11-28 03:20:33,334 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:20:33,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 33 events. 2/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 52 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2024-11-28 03:20:33,340 INFO L82 GeneralOperation]: Start removeDead. Operand has 40 places, 35 transitions, 78 flow [2024-11-28 03:20:33,345 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 38 places, 33 transitions, 72 flow [2024-11-28 03:20:33,358 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:20:33,379 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;@3a87adee, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:20:33,379 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-28 03:20:33,383 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:20:33,383 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-28 03:20:33,384 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:20:33,384 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:20:33,384 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-28 03:20:33,385 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:20:33,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:33,391 INFO L85 PathProgramCache]: Analyzing trace with hash 10576276, now seen corresponding path program 1 times [2024-11-28 03:20:33,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:33,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077746979] [2024-11-28 03:20:33,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:33,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:34,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:20:34,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:34,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077746979] [2024-11-28 03:20:34,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077746979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:34,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:34,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 03:20:34,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896738794] [2024-11-28 03:20:34,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:34,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:20:34,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:34,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:20:34,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:20:34,075 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 35 [2024-11-28 03:20:34,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 33 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:34,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:20:34,081 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 35 [2024-11-28 03:20:34,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:20:34,351 INFO L124 PetriNetUnfolderBase]: 148/334 cut-off events. [2024-11-28 03:20:34,352 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 03:20:34,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 334 events. 148/334 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1648 event pairs, 52 based on Foata normal form. 24/353 useless extension candidates. Maximal degree in co-relation 603. Up to 220 conditions per place. [2024-11-28 03:20:34,357 INFO L140 encePairwiseOnDemand]: 30/35 looper letters, 25 selfloop transitions, 2 changer transitions 2/41 dead transitions. [2024-11-28 03:20:34,357 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 41 transitions, 149 flow [2024-11-28 03:20:34,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:20:34,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:20:34,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 76 transitions. [2024-11-28 03:20:34,373 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7238095238095238 [2024-11-28 03:20:34,375 INFO L175 Difference]: Start difference. First operand has 38 places, 33 transitions, 72 flow. Second operand 3 states and 76 transitions. [2024-11-28 03:20:34,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 41 transitions, 149 flow [2024-11-28 03:20:34,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 41 transitions, 146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:20:34,383 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 64 flow [2024-11-28 03:20:34,386 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=36, PETRI_TRANSITIONS=28} [2024-11-28 03:20:34,391 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, -2 predicate places. [2024-11-28 03:20:34,391 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 64 flow [2024-11-28 03:20:34,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:34,392 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:20:34,392 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:20:34,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:20:34,392 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:20:34,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:34,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1323251577, now seen corresponding path program 1 times [2024-11-28 03:20:34,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:34,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646015609] [2024-11-28 03:20:34,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:34,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:34,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:34,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:20:34,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:34,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646015609] [2024-11-28 03:20:34,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646015609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:34,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:34,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 03:20:34,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571549341] [2024-11-28 03:20:34,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:34,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:20:34,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:34,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:20:34,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:20:34,586 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 35 [2024-11-28 03:20:34,587 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 28 transitions, 64 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:34,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:20:34,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 35 [2024-11-28 03:20:34,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:20:34,764 INFO L124 PetriNetUnfolderBase]: 131/303 cut-off events. [2024-11-28 03:20:34,765 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-11-28 03:20:34,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 579 conditions, 303 events. 131/303 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1603 event pairs, 131 based on Foata normal form. 12/300 useless extension candidates. Maximal degree in co-relation 569. Up to 236 conditions per place. [2024-11-28 03:20:34,770 INFO L140 encePairwiseOnDemand]: 33/35 looper letters, 14 selfloop transitions, 1 changer transitions 1/27 dead transitions. [2024-11-28 03:20:34,770 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 27 transitions, 94 flow [2024-11-28 03:20:34,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:20:34,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:20:34,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 56 transitions. [2024-11-28 03:20:34,773 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2024-11-28 03:20:34,773 INFO L175 Difference]: Start difference. First operand has 36 places, 28 transitions, 64 flow. Second operand 3 states and 56 transitions. [2024-11-28 03:20:34,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 27 transitions, 94 flow [2024-11-28 03:20:34,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 27 transitions, 90 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:20:34,774 INFO L231 Difference]: Finished difference. Result has 34 places, 26 transitions, 58 flow [2024-11-28 03:20:34,775 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=58, PETRI_PLACES=34, PETRI_TRANSITIONS=26} [2024-11-28 03:20:34,775 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, -4 predicate places. [2024-11-28 03:20:34,777 INFO L471 AbstractCegarLoop]: Abstraction has has 34 places, 26 transitions, 58 flow [2024-11-28 03:20:34,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:34,778 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:20:34,778 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:20:34,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:20:34,778 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:20:34,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:34,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1323252918, now seen corresponding path program 1 times [2024-11-28 03:20:34,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:34,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547445401] [2024-11-28 03:20:34,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:34,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:34,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:35,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:20:35,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:35,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547445401] [2024-11-28 03:20:35,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547445401] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:35,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:35,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:20:35,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782230485] [2024-11-28 03:20:35,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:35,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:20:35,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:35,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:20:35,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:20:35,276 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 35 [2024-11-28 03:20:35,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 26 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:35,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:20:35,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 35 [2024-11-28 03:20:35,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:20:35,520 INFO L124 PetriNetUnfolderBase]: 182/390 cut-off events. [2024-11-28 03:20:35,521 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:20:35,522 INFO L83 FinitePrefix]: Finished finitePrefix Result has 743 conditions, 390 events. 182/390 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1818 event pairs, 26 based on Foata normal form. 20/398 useless extension candidates. Maximal degree in co-relation 737. Up to 199 conditions per place. [2024-11-28 03:20:35,526 INFO L140 encePairwiseOnDemand]: 30/35 looper letters, 29 selfloop transitions, 4 changer transitions 1/42 dead transitions. [2024-11-28 03:20:35,526 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 42 transitions, 160 flow [2024-11-28 03:20:35,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:20:35,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 03:20:35,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 80 transitions. [2024-11-28 03:20:35,528 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5714285714285714 [2024-11-28 03:20:35,528 INFO L175 Difference]: Start difference. First operand has 34 places, 26 transitions, 58 flow. Second operand 4 states and 80 transitions. [2024-11-28 03:20:35,528 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 42 transitions, 160 flow [2024-11-28 03:20:35,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 42 transitions, 159 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:20:35,530 INFO L231 Difference]: Finished difference. Result has 37 places, 28 transitions, 83 flow [2024-11-28 03:20:35,530 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=83, PETRI_PLACES=37, PETRI_TRANSITIONS=28} [2024-11-28 03:20:35,534 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places. [2024-11-28 03:20:35,534 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 28 transitions, 83 flow [2024-11-28 03:20:35,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:35,535 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:20:35,535 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:20:35,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:20:35,535 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:20:35,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:35,536 INFO L85 PathProgramCache]: Analyzing trace with hash 636153485, now seen corresponding path program 1 times [2024-11-28 03:20:35,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:35,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012613222] [2024-11-28 03:20:35,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:35,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:36,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:20:36,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:36,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012613222] [2024-11-28 03:20:36,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012613222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:36,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:36,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:20:36,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141850174] [2024-11-28 03:20:36,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:36,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:20:36,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:36,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:20:36,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:20:36,068 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 35 [2024-11-28 03:20:36,069 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 28 transitions, 83 flow. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:36,069 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:20:36,069 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 35 [2024-11-28 03:20:36,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:20:36,258 INFO L124 PetriNetUnfolderBase]: 90/202 cut-off events. [2024-11-28 03:20:36,258 INFO L125 PetriNetUnfolderBase]: For 53/53 co-relation queries the response was YES. [2024-11-28 03:20:36,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 472 conditions, 202 events. 90/202 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 665 event pairs, 18 based on Foata normal form. 14/207 useless extension candidates. Maximal degree in co-relation 463. Up to 71 conditions per place. [2024-11-28 03:20:36,260 INFO L140 encePairwiseOnDemand]: 30/35 looper letters, 25 selfloop transitions, 6 changer transitions 1/40 dead transitions. [2024-11-28 03:20:36,260 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 40 transitions, 176 flow [2024-11-28 03:20:36,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:20:36,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 03:20:36,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 89 transitions. [2024-11-28 03:20:36,264 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5085714285714286 [2024-11-28 03:20:36,265 INFO L175 Difference]: Start difference. First operand has 37 places, 28 transitions, 83 flow. Second operand 5 states and 89 transitions. [2024-11-28 03:20:36,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 40 transitions, 176 flow [2024-11-28 03:20:36,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 40 transitions, 167 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-28 03:20:36,268 INFO L231 Difference]: Finished difference. Result has 41 places, 28 transitions, 99 flow [2024-11-28 03:20:36,268 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=99, PETRI_PLACES=41, PETRI_TRANSITIONS=28} [2024-11-28 03:20:36,271 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 3 predicate places. [2024-11-28 03:20:36,271 INFO L471 AbstractCegarLoop]: Abstraction has has 41 places, 28 transitions, 99 flow [2024-11-28 03:20:36,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:36,272 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:20:36,272 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] [2024-11-28 03:20:36,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:20:36,272 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:20:36,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:36,273 INFO L85 PathProgramCache]: Analyzing trace with hash -579437897, now seen corresponding path program 1 times [2024-11-28 03:20:36,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:36,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198557659] [2024-11-28 03:20:36,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:36,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:38,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:20:38,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:38,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198557659] [2024-11-28 03:20:38,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198557659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:38,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:38,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:20:38,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095842034] [2024-11-28 03:20:38,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:38,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:20:38,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:38,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:20:38,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:20:38,803 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 35 [2024-11-28 03:20:38,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 28 transitions, 99 flow. Second operand has 10 states, 10 states have (on average 14.4) internal successors, (144), 10 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) [2024-11-28 03:20:38,805 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:20:38,805 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 35 [2024-11-28 03:20:38,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:20:39,451 INFO L124 PetriNetUnfolderBase]: 124/317 cut-off events. [2024-11-28 03:20:39,452 INFO L125 PetriNetUnfolderBase]: For 133/133 co-relation queries the response was YES. [2024-11-28 03:20:39,453 INFO L83 FinitePrefix]: Finished finitePrefix Result has 720 conditions, 317 events. 124/317 cut-off events. For 133/133 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1376 event pairs, 52 based on Foata normal form. 4/310 useless extension candidates. Maximal degree in co-relation 709. Up to 83 conditions per place. [2024-11-28 03:20:39,454 INFO L140 encePairwiseOnDemand]: 27/35 looper letters, 29 selfloop transitions, 7 changer transitions 17/65 dead transitions. [2024-11-28 03:20:39,454 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 65 transitions, 295 flow [2024-11-28 03:20:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:20:39,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 03:20:39,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 184 transitions. [2024-11-28 03:20:39,459 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5257142857142857 [2024-11-28 03:20:39,459 INFO L175 Difference]: Start difference. First operand has 41 places, 28 transitions, 99 flow. Second operand 10 states and 184 transitions. [2024-11-28 03:20:39,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 65 transitions, 295 flow [2024-11-28 03:20:39,461 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 65 transitions, 255 flow, removed 11 selfloop flow, removed 6 redundant places. [2024-11-28 03:20:39,462 INFO L231 Difference]: Finished difference. Result has 50 places, 33 transitions, 118 flow [2024-11-28 03:20:39,462 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=118, PETRI_PLACES=50, PETRI_TRANSITIONS=33} [2024-11-28 03:20:39,463 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 12 predicate places. [2024-11-28 03:20:39,463 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 33 transitions, 118 flow [2024-11-28 03:20:39,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.4) internal successors, (144), 10 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) [2024-11-28 03:20:39,463 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:20:39,463 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] [2024-11-28 03:20:39,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:20:39,467 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:20:39,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:39,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1372759459, now seen corresponding path program 2 times [2024-11-28 03:20:39,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:39,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611396076] [2024-11-28 03:20:39,471 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:20:39,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:39,599 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:20:39,599 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:20:39,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:20:39,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:20:39,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611396076] [2024-11-28 03:20:39,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611396076] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:39,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:39,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:20:39,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059758134] [2024-11-28 03:20:39,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:39,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:20:39,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:20:39,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:20:39,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:20:39,967 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 35 [2024-11-28 03:20:39,968 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 33 transitions, 118 flow. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:39,968 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:20:39,968 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 35 [2024-11-28 03:20:39,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:20:40,249 INFO L124 PetriNetUnfolderBase]: 180/439 cut-off events. [2024-11-28 03:20:40,249 INFO L125 PetriNetUnfolderBase]: For 77/79 co-relation queries the response was YES. [2024-11-28 03:20:40,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 996 conditions, 439 events. 180/439 cut-off events. For 77/79 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2139 event pairs, 83 based on Foata normal form. 9/425 useless extension candidates. Maximal degree in co-relation 982. Up to 144 conditions per place. [2024-11-28 03:20:40,252 INFO L140 encePairwiseOnDemand]: 29/35 looper letters, 20 selfloop transitions, 3 changer transitions 20/54 dead transitions. [2024-11-28 03:20:40,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 54 transitions, 264 flow [2024-11-28 03:20:40,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:20:40,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:20:40,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 109 transitions. [2024-11-28 03:20:40,254 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5190476190476191 [2024-11-28 03:20:40,254 INFO L175 Difference]: Start difference. First operand has 50 places, 33 transitions, 118 flow. Second operand 6 states and 109 transitions. [2024-11-28 03:20:40,254 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 54 transitions, 264 flow [2024-11-28 03:20:40,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 54 transitions, 250 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-28 03:20:40,258 INFO L231 Difference]: Finished difference. Result has 50 places, 30 transitions, 109 flow [2024-11-28 03:20:40,258 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=109, PETRI_PLACES=50, PETRI_TRANSITIONS=30} [2024-11-28 03:20:40,259 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 12 predicate places. [2024-11-28 03:20:40,259 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 30 transitions, 109 flow [2024-11-28 03:20:40,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:40,259 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:20:40,259 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] [2024-11-28 03:20:40,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:20:40,259 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:20:40,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:40,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1468687763, now seen corresponding path program 3 times [2024-11-28 03:20:40,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:20:40,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083711952] [2024-11-28 03:20:40,260 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:20:40,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:20:40,358 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:20:40,358 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-28 03:20:40,359 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:20:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:20:40,467 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:20:40,471 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:20:40,472 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-11-28 03:20:40,474 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-11-28 03:20:40,478 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2024-11-28 03:20:40,478 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-11-28 03:20:40,478 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-11-28 03:20:40,478 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining) [2024-11-28 03:20:40,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:20:40,479 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2024-11-28 03:20:40,577 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:20:40,577 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:20:40,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:20:40 BasicIcfg [2024-11-28 03:20:40,587 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:20:40,587 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:20:40,587 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:20:40,588 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:20:40,588 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:33" (3/4) ... [2024-11-28 03:20:40,590 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:20:40,591 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:20:40,592 INFO L158 Benchmark]: Toolchain (without parser) took 9287.86ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 90.8MB in the beginning and 98.2MB in the end (delta: -7.4MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. [2024-11-28 03:20:40,592 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 83.9MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:20:40,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 755.84ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 68.3MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:20:40,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.50ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 65.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:20:40,593 INFO L158 Benchmark]: Boogie Preprocessor took 48.83ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 62.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:20:40,594 INFO L158 Benchmark]: RCFGBuilder took 931.08ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 72.9MB in the end (delta: -10.0MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2024-11-28 03:20:40,594 INFO L158 Benchmark]: TraceAbstraction took 7465.02ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 72.3MB in the beginning and 98.3MB in the end (delta: -26.0MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. [2024-11-28 03:20:40,594 INFO L158 Benchmark]: Witness Printer took 3.87ms. Allocated memory is still 218.1MB. Free memory was 98.3MB in the beginning and 98.2MB in the end (delta: 14.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:20:40,598 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 83.9MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 755.84ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 68.3MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.50ms. Allocated memory is still 117.4MB. Free memory was 68.3MB in the beginning and 65.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.83ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 62.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 931.08ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 72.9MB in the end (delta: -10.0MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7465.02ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 72.3MB in the beginning and 98.3MB in the end (delta: -26.0MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. * Witness Printer took 3.87ms. Allocated memory is still 218.1MB. Free memory was 98.3MB in the beginning and 98.2MB in the end (delta: 14.4kB). 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: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L711] 0 _Bool main$tmp_guard0; [L712] 0 _Bool main$tmp_guard1; [L714] 0 int x = 0; [L716] 0 int y = 0; [L717] 0 _Bool y$flush_delayed; [L718] 0 int y$mem_tmp; [L719] 0 _Bool y$r_buff0_thd0; [L720] 0 _Bool y$r_buff0_thd1; [L721] 0 _Bool y$r_buff0_thd2; [L722] 0 _Bool y$r_buff1_thd0; [L723] 0 _Bool y$r_buff1_thd1; [L724] 0 _Bool y$r_buff1_thd2; [L725] 0 _Bool y$read_delayed; [L726] 0 int *y$read_delayed_var; [L727] 0 int y$w_buff0; [L728] 0 _Bool y$w_buff0_used; [L729] 0 int y$w_buff1; [L730] 0 _Bool y$w_buff1_used; [L731] 0 _Bool weak$$choice0; [L732] 0 _Bool weak$$choice2; [L792] 0 pthread_t t2009; [L793] FCALL, FORK 0 pthread_create(&t2009, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2009=-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_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L736] 1 y$w_buff1 = y$w_buff0 [L737] 1 y$w_buff0 = 2 [L738] 1 y$w_buff1_used = y$w_buff0_used [L739] 1 y$w_buff0_used = (_Bool)1 [L740] CALL 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L740] RET 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L741] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L742] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L743] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L744] 1 y$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L794] 0 pthread_t t2010; [L795] FCALL, FORK 0 pthread_create(&t2010, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2009=-1, t2010=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L747] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=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=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L764] 2 __unbuffered_p1_EAX = x VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L767] 2 y = 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L750] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L751] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L752] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L753] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L754] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, 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=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L770] 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) [L771] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L772] 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 [L773] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L774] 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}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L757] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=1, 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=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L777] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L797] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2009=-1, t2010=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L799] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L799] RET 0 assume_abort_if_not(main$tmp_guard0) [L801] 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) [L802] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L803] 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 [L804] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L805] 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}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2009=-1, t2010=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L808] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L809] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L810] 0 y$flush_delayed = weak$$choice2 [L811] 0 y$mem_tmp = y [L812] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L813] 0 y$w_buff0 = weak$$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$w_buff0)) [L814] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L815] 0 y$w_buff0_used = weak$$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)) [L816] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L817] 0 y$r_buff0_thd0 = weak$$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)) [L818] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L819] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1) [L820] 0 y = y$flush_delayed ? y$mem_tmp : y [L821] 0 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2009=-1, t2010=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L823] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L17] 0 __assert_fail ("0", "safe010_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 790]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 793]: 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: 795]: 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 5 procedures, 51 locations, 6 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: 7.2s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 158 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 452 IncrementalHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 8 mSDtfsCounter, 452 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred in iteration=5, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 579 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 [2024-11-28 03:20:40,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/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 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_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/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_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe010_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/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_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/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 0b6ad05084ff5d70a22ef215b05587fd59d1867832386446579778aa62df8d63 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:20:43,574 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:20:43,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-28 03:20:43,727 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:20:43,728 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:20:43,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:20:43,773 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:20:43,773 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:20:43,774 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:20:43,774 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:20:43,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:20:43,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:20:43,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:20:43,776 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:20:43,776 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:20:43,777 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:20:43,777 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:20:43,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:20:43,778 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:20:43,778 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:20:43,778 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 03:20:43,778 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 03:20:43,778 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 03:20:43,779 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:20:43,779 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:20:43,779 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:20:43,779 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:20:43,779 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:20:43,779 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:20:43,779 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:20:43,780 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:20:43,781 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:20:43,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:20:43,781 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:20:43,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:20:43,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:20:43,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:20:43,782 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:20:43,782 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:20:43,782 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:20:43,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:20:43,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:20:43,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:20:43,783 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:20:43,783 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:20:43,784 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:20:43,784 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:20:43,784 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:20:43,785 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:20:43,785 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_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/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 -> 0b6ad05084ff5d70a22ef215b05587fd59d1867832386446579778aa62df8d63 [2024-11-28 03:20:44,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:20:44,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:20:44,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:20:44,175 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:20:44,175 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:20:44,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/safe010_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-28 03:20:47,396 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/data/50c62d201/f765601cea46498ab7e2936f6b00a54e/FLAG6718f279b [2024-11-28 03:20:47,749 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:20:47,750 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/sv-benchmarks/c/pthread-wmm/safe010_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-28 03:20:47,765 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/data/50c62d201/f765601cea46498ab7e2936f6b00a54e/FLAG6718f279b [2024-11-28 03:20:47,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/data/50c62d201/f765601cea46498ab7e2936f6b00a54e [2024-11-28 03:20:47,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:20:47,786 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:20:47,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:20:47,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:20:47,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:20:47,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:47" (1/1) ... [2024-11-28 03:20:47,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aab50cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:47, skipping insertion in model container [2024-11-28 03:20:47,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:20:47" (1/1) ... [2024-11-28 03:20:47,855 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:20:48,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:20:48,432 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:20:48,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:20:48,616 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:20:48,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48 WrapperNode [2024-11-28 03:20:48,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:20:48,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:20:48,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:20:48,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:20:48,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2024-11-28 03:20:48,661 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2024-11-28 03:20:48,697 INFO L138 Inliner]: procedures = 175, calls = 34, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 127 [2024-11-28 03:20:48,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:20:48,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:20:48,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:20:48,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:20:48,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2024-11-28 03:20:48,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2024-11-28 03:20:48,715 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2024-11-28 03:20:48,732 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:20:48,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2024-11-28 03:20:48,733 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2024-11-28 03:20:48,742 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2024-11-28 03:20:48,745 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2024-11-28 03:20:48,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2024-11-28 03:20:48,754 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2024-11-28 03:20:48,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2024-11-28 03:20:48,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:20:48,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:20:48,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:20:48,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:20:48,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (1/1) ... [2024-11-28 03:20:48,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:20:48,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:48,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:20:48,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:20:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 03:20:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:20:48,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:20:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 03:20:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 03:20:48,879 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 03:20:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 03:20:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 03:20:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:20:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:20:48,881 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:20:49,083 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:20:49,085 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:20:49,513 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:20:49,513 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:20:49,819 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:20:49,819 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:20:49,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:49 BoogieIcfgContainer [2024-11-28 03:20:49,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:20:49,823 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:20:49,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:20:49,830 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:20:49,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:20:47" (1/3) ... [2024-11-28 03:20:49,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26777ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:49, skipping insertion in model container [2024-11-28 03:20:49,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:20:48" (2/3) ... [2024-11-28 03:20:49,832 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26777ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:20:49, skipping insertion in model container [2024-11-28 03:20:49,832 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:49" (3/3) ... [2024-11-28 03:20:49,834 INFO L128 eAbstractionObserver]: Analyzing ICFG safe010_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-28 03:20:49,854 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:20:49,856 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe010_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i that has 3 procedures, 34 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-28 03:20:49,856 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:20:49,936 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 03:20:49,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 35 transitions, 78 flow [2024-11-28 03:20:50,020 INFO L124 PetriNetUnfolderBase]: 2/33 cut-off events. [2024-11-28 03:20:50,027 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:20:50,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 33 events. 2/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 52 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2024-11-28 03:20:50,033 INFO L82 GeneralOperation]: Start removeDead. Operand has 40 places, 35 transitions, 78 flow [2024-11-28 03:20:50,039 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 38 places, 33 transitions, 72 flow [2024-11-28 03:20:50,053 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:20:50,077 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;@41f851d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:20:50,077 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-28 03:20:50,087 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:20:50,088 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-28 03:20:50,088 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:20:50,088 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:20:50,089 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-28 03:20:50,090 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:20:50,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:50,099 INFO L85 PathProgramCache]: Analyzing trace with hash 10637844, now seen corresponding path program 1 times [2024-11-28 03:20:50,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:20:50,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [854605710] [2024-11-28 03:20:50,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:50,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:50,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:50,122 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:20:50,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:20:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:50,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:20:50,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:20:50,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:20:50,312 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:20:50,313 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:20:50,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854605710] [2024-11-28 03:20:50,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854605710] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:50,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:50,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 03:20:50,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133633548] [2024-11-28 03:20:50,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:50,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:20:50,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:20:50,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:20:50,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:20:50,367 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 35 [2024-11-28 03:20:50,371 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 33 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:50,371 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:20:50,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 35 [2024-11-28 03:20:50,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:20:50,712 INFO L124 PetriNetUnfolderBase]: 148/334 cut-off events. [2024-11-28 03:20:50,715 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 03:20:50,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 334 events. 148/334 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1648 event pairs, 52 based on Foata normal form. 24/353 useless extension candidates. Maximal degree in co-relation 603. Up to 220 conditions per place. [2024-11-28 03:20:50,723 INFO L140 encePairwiseOnDemand]: 30/35 looper letters, 25 selfloop transitions, 2 changer transitions 2/41 dead transitions. [2024-11-28 03:20:50,723 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 41 transitions, 149 flow [2024-11-28 03:20:50,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:20:50,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:20:50,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 76 transitions. [2024-11-28 03:20:50,741 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7238095238095238 [2024-11-28 03:20:50,742 INFO L175 Difference]: Start difference. First operand has 38 places, 33 transitions, 72 flow. Second operand 3 states and 76 transitions. [2024-11-28 03:20:50,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 41 transitions, 149 flow [2024-11-28 03:20:50,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 41 transitions, 146 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:20:50,752 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 64 flow [2024-11-28 03:20:50,755 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=36, PETRI_TRANSITIONS=28} [2024-11-28 03:20:50,760 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, -2 predicate places. [2024-11-28 03:20:50,760 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 64 flow [2024-11-28 03:20:50,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:50,761 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:20:50,761 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:20:50,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:20:50,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:50,964 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:20:50,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:50,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1287432709, now seen corresponding path program 1 times [2024-11-28 03:20:50,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:20:50,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [825637753] [2024-11-28 03:20:50,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:50,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:50,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:50,970 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:20:50,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:20:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:51,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:20:51,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:20:51,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:20:51,126 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:20:51,126 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:20:51,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825637753] [2024-11-28 03:20:51,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825637753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:51,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:51,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 03:20:51,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482386449] [2024-11-28 03:20:51,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:51,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:20:51,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:20:51,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:20:51,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:20:51,129 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 35 [2024-11-28 03:20:51,130 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 28 transitions, 64 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:51,130 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:20:51,130 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 35 [2024-11-28 03:20:51,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:20:51,299 INFO L124 PetriNetUnfolderBase]: 131/303 cut-off events. [2024-11-28 03:20:51,301 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-11-28 03:20:51,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 579 conditions, 303 events. 131/303 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1597 event pairs, 131 based on Foata normal form. 12/300 useless extension candidates. Maximal degree in co-relation 569. Up to 236 conditions per place. [2024-11-28 03:20:51,307 INFO L140 encePairwiseOnDemand]: 33/35 looper letters, 14 selfloop transitions, 1 changer transitions 1/27 dead transitions. [2024-11-28 03:20:51,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 27 transitions, 94 flow [2024-11-28 03:20:51,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:20:51,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:20:51,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 56 transitions. [2024-11-28 03:20:51,309 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2024-11-28 03:20:51,310 INFO L175 Difference]: Start difference. First operand has 36 places, 28 transitions, 64 flow. Second operand 3 states and 56 transitions. [2024-11-28 03:20:51,310 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 27 transitions, 94 flow [2024-11-28 03:20:51,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 27 transitions, 90 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:20:51,314 INFO L231 Difference]: Finished difference. Result has 34 places, 26 transitions, 58 flow [2024-11-28 03:20:51,314 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=58, PETRI_PLACES=34, PETRI_TRANSITIONS=26} [2024-11-28 03:20:51,316 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, -4 predicate places. [2024-11-28 03:20:51,316 INFO L471 AbstractCegarLoop]: Abstraction has has 34 places, 26 transitions, 58 flow [2024-11-28 03:20:51,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:51,316 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:20:51,317 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:20:51,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:20:51,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:51,518 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:20:51,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:51,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1287431368, now seen corresponding path program 1 times [2024-11-28 03:20:51,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:20:51,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [544316482] [2024-11-28 03:20:51,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:51,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:51,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:51,522 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:20:51,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:20:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:51,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:20:51,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:20:51,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:20:51,689 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:20:51,689 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:20:51,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544316482] [2024-11-28 03:20:51,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544316482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:51,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:51,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:20:51,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743567229] [2024-11-28 03:20:51,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:51,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:20:51,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:20:51,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:20:51,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:20:51,703 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 35 [2024-11-28 03:20:51,703 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 26 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:51,704 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:20:51,704 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 35 [2024-11-28 03:20:51,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:20:51,895 INFO L124 PetriNetUnfolderBase]: 182/390 cut-off events. [2024-11-28 03:20:51,895 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:20:51,896 INFO L83 FinitePrefix]: Finished finitePrefix Result has 743 conditions, 390 events. 182/390 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1829 event pairs, 26 based on Foata normal form. 20/398 useless extension candidates. Maximal degree in co-relation 737. Up to 199 conditions per place. [2024-11-28 03:20:51,901 INFO L140 encePairwiseOnDemand]: 30/35 looper letters, 29 selfloop transitions, 4 changer transitions 1/42 dead transitions. [2024-11-28 03:20:51,902 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 42 transitions, 160 flow [2024-11-28 03:20:51,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:20:51,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 03:20:51,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 80 transitions. [2024-11-28 03:20:51,907 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5714285714285714 [2024-11-28 03:20:51,907 INFO L175 Difference]: Start difference. First operand has 34 places, 26 transitions, 58 flow. Second operand 4 states and 80 transitions. [2024-11-28 03:20:51,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 42 transitions, 160 flow [2024-11-28 03:20:51,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 42 transitions, 159 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:20:51,910 INFO L231 Difference]: Finished difference. Result has 37 places, 28 transitions, 83 flow [2024-11-28 03:20:51,912 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=83, PETRI_PLACES=37, PETRI_TRANSITIONS=28} [2024-11-28 03:20:51,913 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places. [2024-11-28 03:20:51,914 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 28 transitions, 83 flow [2024-11-28 03:20:51,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:51,914 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:20:51,914 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:20:51,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:20:52,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:52,115 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:20:52,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:52,117 INFO L85 PathProgramCache]: Analyzing trace with hash -279138099, now seen corresponding path program 1 times [2024-11-28 03:20:52,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:20:52,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [710728387] [2024-11-28 03:20:52,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:52,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:52,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:52,121 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:20:52,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:20:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:52,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:20:52,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:20:52,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:20:52,291 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:20:52,291 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:20:52,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710728387] [2024-11-28 03:20:52,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710728387] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:52,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:52,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:20:52,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882958159] [2024-11-28 03:20:52,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:52,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:20:52,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:20:52,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:20:52,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:20:52,304 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 35 [2024-11-28 03:20:52,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 28 transitions, 83 flow. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:52,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:20:52,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 35 [2024-11-28 03:20:52,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:20:52,499 INFO L124 PetriNetUnfolderBase]: 90/202 cut-off events. [2024-11-28 03:20:52,499 INFO L125 PetriNetUnfolderBase]: For 53/53 co-relation queries the response was YES. [2024-11-28 03:20:52,500 INFO L83 FinitePrefix]: Finished finitePrefix Result has 472 conditions, 202 events. 90/202 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 656 event pairs, 18 based on Foata normal form. 14/207 useless extension candidates. Maximal degree in co-relation 463. Up to 71 conditions per place. [2024-11-28 03:20:52,501 INFO L140 encePairwiseOnDemand]: 30/35 looper letters, 25 selfloop transitions, 6 changer transitions 1/40 dead transitions. [2024-11-28 03:20:52,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 40 transitions, 176 flow [2024-11-28 03:20:52,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:20:52,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 03:20:52,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 89 transitions. [2024-11-28 03:20:52,503 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5085714285714286 [2024-11-28 03:20:52,503 INFO L175 Difference]: Start difference. First operand has 37 places, 28 transitions, 83 flow. Second operand 5 states and 89 transitions. [2024-11-28 03:20:52,503 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 40 transitions, 176 flow [2024-11-28 03:20:52,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 40 transitions, 167 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-28 03:20:52,506 INFO L231 Difference]: Finished difference. Result has 41 places, 28 transitions, 99 flow [2024-11-28 03:20:52,506 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=99, PETRI_PLACES=41, PETRI_TRANSITIONS=28} [2024-11-28 03:20:52,507 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 3 predicate places. [2024-11-28 03:20:52,507 INFO L471 AbstractCegarLoop]: Abstraction has has 41 places, 28 transitions, 99 flow [2024-11-28 03:20:52,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:52,508 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:20:52,508 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] [2024-11-28 03:20:52,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 03:20:52,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:52,709 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:20:52,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:52,709 INFO L85 PathProgramCache]: Analyzing trace with hash -870236167, now seen corresponding path program 1 times [2024-11-28 03:20:52,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:20:52,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1280845319] [2024-11-28 03:20:52,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:20:52,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:52,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:52,715 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:20:52,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:20:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:20:52,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 03:20:52,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:20:53,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:20:53,291 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:20:53,291 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:20:53,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280845319] [2024-11-28 03:20:53,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280845319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:53,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:53,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:20:53,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525412967] [2024-11-28 03:20:53,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:53,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:20:53,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:20:53,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:20:53,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:20:53,317 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 35 [2024-11-28 03:20:53,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 28 transitions, 99 flow. Second operand has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 9 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:53,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:20:53,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 35 [2024-11-28 03:20:53,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:20:53,616 INFO L124 PetriNetUnfolderBase]: 97/238 cut-off events. [2024-11-28 03:20:53,616 INFO L125 PetriNetUnfolderBase]: For 76/78 co-relation queries the response was YES. [2024-11-28 03:20:53,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 545 conditions, 238 events. 97/238 cut-off events. For 76/78 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 886 event pairs, 42 based on Foata normal form. 4/231 useless extension candidates. Maximal degree in co-relation 534. Up to 103 conditions per place. [2024-11-28 03:20:53,621 INFO L140 encePairwiseOnDemand]: 28/35 looper letters, 18 selfloop transitions, 3 changer transitions 13/45 dead transitions. [2024-11-28 03:20:53,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 45 transitions, 211 flow [2024-11-28 03:20:53,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:20:53,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 03:20:53,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 119 transitions. [2024-11-28 03:20:53,623 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4857142857142857 [2024-11-28 03:20:53,623 INFO L175 Difference]: Start difference. First operand has 41 places, 28 transitions, 99 flow. Second operand 7 states and 119 transitions. [2024-11-28 03:20:53,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 45 transitions, 211 flow [2024-11-28 03:20:53,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 45 transitions, 174 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-28 03:20:53,629 INFO L231 Difference]: Finished difference. Result has 45 places, 28 transitions, 87 flow [2024-11-28 03:20:53,629 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=87, PETRI_PLACES=45, PETRI_TRANSITIONS=28} [2024-11-28 03:20:53,630 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 7 predicate places. [2024-11-28 03:20:53,632 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 28 transitions, 87 flow [2024-11-28 03:20:53,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 9 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:20:53,632 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:20:53,632 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] [2024-11-28 03:20:53,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:20:53,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:53,834 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:20:53,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:53,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1424291027, now seen corresponding path program 2 times [2024-11-28 03:20:53,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:20:53,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [785468703] [2024-11-28 03:20:53,836 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:20:53,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:53,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:53,839 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:20:53,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:20:53,943 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:20:53,943 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:20:53,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:20:53,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:20:54,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:20:54,449 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:20:54,449 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:20:54,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785468703] [2024-11-28 03:20:54,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785468703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:20:54,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:20:54,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:20:54,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042606925] [2024-11-28 03:20:54,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:20:54,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:20:54,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:20:54,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:20:54,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:20:54,484 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 35 [2024-11-28 03:20:54,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 28 transitions, 87 flow. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 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) [2024-11-28 03:20:54,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:20:54,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 35 [2024-11-28 03:20:54,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:20:54,824 INFO L124 PetriNetUnfolderBase]: 140/300 cut-off events. [2024-11-28 03:20:54,825 INFO L125 PetriNetUnfolderBase]: For 49/51 co-relation queries the response was YES. [2024-11-28 03:20:54,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 695 conditions, 300 events. 140/300 cut-off events. For 49/51 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1030 event pairs, 65 based on Foata normal form. 5/300 useless extension candidates. Maximal degree in co-relation 683. Up to 115 conditions per place. [2024-11-28 03:20:54,827 INFO L140 encePairwiseOnDemand]: 27/35 looper letters, 23 selfloop transitions, 3 changer transitions 25/57 dead transitions. [2024-11-28 03:20:54,827 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 57 transitions, 272 flow [2024-11-28 03:20:54,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 03:20:54,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 03:20:54,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 113 transitions. [2024-11-28 03:20:54,829 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.46122448979591835 [2024-11-28 03:20:54,829 INFO L175 Difference]: Start difference. First operand has 45 places, 28 transitions, 87 flow. Second operand 7 states and 113 transitions. [2024-11-28 03:20:54,829 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 57 transitions, 272 flow [2024-11-28 03:20:54,831 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 57 transitions, 248 flow, removed 7 selfloop flow, removed 6 redundant places. [2024-11-28 03:20:54,832 INFO L231 Difference]: Finished difference. Result has 47 places, 28 transitions, 95 flow [2024-11-28 03:20:54,833 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=95, PETRI_PLACES=47, PETRI_TRANSITIONS=28} [2024-11-28 03:20:54,833 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 9 predicate places. [2024-11-28 03:20:54,834 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 28 transitions, 95 flow [2024-11-28 03:20:54,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 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) [2024-11-28 03:20:54,834 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:20:54,834 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] [2024-11-28 03:20:54,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-28 03:20:55,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:55,035 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:20:55,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:20:55,036 INFO L85 PathProgramCache]: Analyzing trace with hash -260944753, now seen corresponding path program 3 times [2024-11-28 03:20:55,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:20:55,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [832818527] [2024-11-28 03:20:55,036 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:20:55,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:55,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:20:55,039 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:20:55,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:20:55,147 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:20:55,147 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-28 03:20:55,147 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:20:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:20:55,259 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-28 03:20:55,259 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:20:55,260 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-11-28 03:20:55,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-11-28 03:20:55,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2024-11-28 03:20:55,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-11-28 03:20:55,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-11-28 03:20:55,266 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining) [2024-11-28 03:20:55,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 03:20:55,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:20:55,467 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2024-11-28 03:20:55,528 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:20:55,528 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:20:55,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:20:55 BasicIcfg [2024-11-28 03:20:55,538 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:20:55,538 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:20:55,539 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:20:55,539 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:20:55,540 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:20:49" (3/4) ... [2024-11-28 03:20:55,542 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:20:55,543 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:20:55,544 INFO L158 Benchmark]: Toolchain (without parser) took 7758.33ms. Allocated memory was 83.9MB in the beginning and 176.2MB in the end (delta: 92.3MB). Free memory was 60.5MB in the beginning and 95.6MB in the end (delta: -35.1MB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB. [2024-11-28 03:20:55,545 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:20:55,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 831.07ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 37.2MB in the end (delta: 23.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:20:55,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.49ms. Allocated memory is still 83.9MB. Free memory was 37.2MB in the beginning and 35.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:20:55,546 INFO L158 Benchmark]: Boogie Preprocessor took 68.45ms. Allocated memory is still 83.9MB. Free memory was 35.1MB in the beginning and 32.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:20:55,546 INFO L158 Benchmark]: RCFGBuilder took 1052.74ms. Allocated memory was 83.9MB in the beginning and 176.2MB in the end (delta: 92.3MB). Free memory was 32.2MB in the beginning and 128.6MB in the end (delta: -96.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-11-28 03:20:55,547 INFO L158 Benchmark]: TraceAbstraction took 5714.57ms. Allocated memory is still 176.2MB. Free memory was 127.7MB in the beginning and 95.6MB in the end (delta: 32.0MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2024-11-28 03:20:55,548 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 176.2MB. Free memory was 95.6MB in the beginning and 95.6MB in the end (delta: 46.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:20:55,550 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 831.07ms. Allocated memory is still 83.9MB. Free memory was 60.3MB in the beginning and 37.2MB in the end (delta: 23.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.49ms. Allocated memory is still 83.9MB. Free memory was 37.2MB in the beginning and 35.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 68.45ms. Allocated memory is still 83.9MB. Free memory was 35.1MB in the beginning and 32.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1052.74ms. Allocated memory was 83.9MB in the beginning and 176.2MB in the end (delta: 92.3MB). Free memory was 32.2MB in the beginning and 128.6MB in the end (delta: -96.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5714.57ms. Allocated memory is still 176.2MB. Free memory was 127.7MB in the beginning and 95.6MB in the end (delta: 32.0MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 176.2MB. Free memory was 95.6MB in the beginning and 95.6MB in the end (delta: 46.2kB). 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: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L711] 0 _Bool main$tmp_guard0; [L712] 0 _Bool main$tmp_guard1; [L714] 0 int x = 0; [L716] 0 int y = 0; [L717] 0 _Bool y$flush_delayed; [L718] 0 int y$mem_tmp; [L719] 0 _Bool y$r_buff0_thd0; [L720] 0 _Bool y$r_buff0_thd1; [L721] 0 _Bool y$r_buff0_thd2; [L722] 0 _Bool y$r_buff1_thd0; [L723] 0 _Bool y$r_buff1_thd1; [L724] 0 _Bool y$r_buff1_thd2; [L725] 0 _Bool y$read_delayed; [L726] 0 int *y$read_delayed_var; [L727] 0 int y$w_buff0; [L728] 0 _Bool y$w_buff0_used; [L729] 0 int y$w_buff1; [L730] 0 _Bool y$w_buff1_used; [L731] 0 _Bool weak$$choice0; [L732] 0 _Bool weak$$choice2; [L792] 0 pthread_t t2009; [L793] FCALL, FORK 0 pthread_create(&t2009, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2009=-1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0] [L736] 1 y$w_buff1 = y$w_buff0 [L737] 1 y$w_buff0 = 2 [L738] 1 y$w_buff1_used = y$w_buff0_used [L739] 1 y$w_buff0_used = (_Bool)1 [L740] CALL 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L740] RET 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L741] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L742] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L743] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L744] 1 y$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L794] 0 pthread_t t2010; [L795] FCALL, FORK 0 pthread_create(&t2010, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2009=-1, t2010=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L747] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L764] 2 __unbuffered_p1_EAX = x VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L767] 2 y = 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1] [L770] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L771] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L772] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L773] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L774] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=1] [L750] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L751] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L752] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L753] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L754] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L777] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L757] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L797] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2009=-1, t2010=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L799] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L799] RET 0 assume_abort_if_not(main$tmp_guard0) [L801] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L802] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L803] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L804] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L805] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2009=-1, t2010=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L808] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L809] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L810] 0 y$flush_delayed = weak$$choice2 [L811] 0 y$mem_tmp = y [L812] 0 y = !y$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) [L813] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L814] 0 y$w_buff1 = weak$$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$w_buff1)) [L815] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L816] 0 y$w_buff1_used = weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L817] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L818] 0 y$r_buff1_thd0 = weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L819] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1) [L820] 0 y = y$flush_delayed ? y$mem_tmp : y [L821] 0 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2009=-1, t2010=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=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=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] [L823] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, main$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=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] [L17] 0 __assert_fail ("0", "safe010_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, 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=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=2] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 790]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 793]: 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: 795]: 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 5 procedures, 51 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.5s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 175 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 166 mSDsluCounter, 100 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 83 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 423 IncrementalHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 17 mSDtfsCounter, 423 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 98 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=4, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 439 SizeOfPredicates, 15 NumberOfNonLiveVariables, 516 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 [2024-11-28 03:20:55,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31ae8159-89ff-4339-a8bb-1bfb8607c3b7/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