./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/mix007.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_c0231d29-cc59-4080-9e83-a9c20d26a90c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0231d29-cc59-4080-9e83-a9c20d26a90c/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_c0231d29-cc59-4080-9e83-a9c20d26a90c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0231d29-cc59-4080-9e83-a9c20d26a90c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix007.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0231d29-cc59-4080-9e83-a9c20d26a90c/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_c0231d29-cc59-4080-9e83-a9c20d26a90c/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 98fb631b7747d0724c093b074b80cf02851c21b4b9e1af2c5f1e3d032d6b592f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:27:41,861 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:27:41,927 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0231d29-cc59-4080-9e83-a9c20d26a90c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-28 04:27:41,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:27:41,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:27:41,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:27:41,977 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:27:41,977 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:27:41,978 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:27:41,978 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:27:41,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:27:41,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:27:41,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:27:41,980 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:27:41,980 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:27:41,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:27:41,980 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:27:41,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:27:41,981 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:27:41,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:27:41,981 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 04:27:41,981 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 04:27:41,982 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 04:27:41,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:27:41,982 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:27:41,982 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:27:41,982 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:27:41,982 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:27:41,982 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:27:41,982 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:27:41,983 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:27:41,983 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:27:41,983 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:27:41,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:27:41,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:27:41,984 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:27:41,984 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:27:41,984 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:27:41,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:27:41,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:27:41,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:27:41,985 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:27:41,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:27:41,985 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:27:41,985 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:27:41,985 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:27:41,985 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:27:41,985 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_c0231d29-cc59-4080-9e83-a9c20d26a90c/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 -> 98fb631b7747d0724c093b074b80cf02851c21b4b9e1af2c5f1e3d032d6b592f [2024-11-28 04:27:42,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:27:42,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:27:42,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:27:42,315 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:27:42,316 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:27:42,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0231d29-cc59-4080-9e83-a9c20d26a90c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/mix007.opt.i [2024-11-28 04:27:45,320 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0231d29-cc59-4080-9e83-a9c20d26a90c/bin/uautomizer-verify-aQ6SnzHsRB/data/f2986f9f6/1655960b6463409aa96a3aeb2f39f5c2/FLAGb80cc12ac [2024-11-28 04:27:45,693 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:27:45,694 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0231d29-cc59-4080-9e83-a9c20d26a90c/sv-benchmarks/c/pthread-wmm/mix007.opt.i [2024-11-28 04:27:45,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0231d29-cc59-4080-9e83-a9c20d26a90c/bin/uautomizer-verify-aQ6SnzHsRB/data/f2986f9f6/1655960b6463409aa96a3aeb2f39f5c2/FLAGb80cc12ac [2024-11-28 04:27:45,736 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0231d29-cc59-4080-9e83-a9c20d26a90c/bin/uautomizer-verify-aQ6SnzHsRB/data/f2986f9f6/1655960b6463409aa96a3aeb2f39f5c2 [2024-11-28 04:27:45,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:27:45,741 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:27:45,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:27:45,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:27:45,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:27:45,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:27:45" (1/1) ... [2024-11-28 04:27:45,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dac6266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:27:45, skipping insertion in model container [2024-11-28 04:27:45,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:27:45" (1/1) ... [2024-11-28 04:27:45,802 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:27:46,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:27:46,273 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:27:46,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:27:46,409 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:27:46,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:27:46 WrapperNode [2024-11-28 04:27:46,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:27:46,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:27:46,412 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:27:46,412 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:27:46,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:27:46" (1/1) ... [2024-11-28 04:27:46,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:27:46" (1/1) ... [2024-11-28 04:27:46,485 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 155 [2024-11-28 04:27:46,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:27:46,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:27:46,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:27:46,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:27:46,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:27:46" (1/1) ... [2024-11-28 04:27:46,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:27:46" (1/1) ... [2024-11-28 04:27:46,499 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:27:46" (1/1) ... [2024-11-28 04:27:46,520 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 04:27:46,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:27:46" (1/1) ... [2024-11-28 04:27:46,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:27:46" (1/1) ... [2024-11-28 04:27:46,532 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:27:46" (1/1) ... [2024-11-28 04:27:46,533 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:27:46" (1/1) ... [2024-11-28 04:27:46,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:27:46" (1/1) ... [2024-11-28 04:27:46,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:27:46" (1/1) ... [2024-11-28 04:27:46,538 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:27:46" (1/1) ... [2024-11-28 04:27:46,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:27:46,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:27:46,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:27:46,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:27:46,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:27:46" (1/1) ... [2024-11-28 04:27:46,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:27:46,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0231d29-cc59-4080-9e83-a9c20d26a90c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:27:46,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0231d29-cc59-4080-9e83-a9c20d26a90c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:27:46,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0231d29-cc59-4080-9e83-a9c20d26a90c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:27:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 04:27:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:27:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 04:27:46,614 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 04:27:46,614 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 04:27:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 04:27:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-28 04:27:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-28 04:27:46,615 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-28 04:27:46,615 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-28 04:27:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:27:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 04:27:46,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:27:46,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:27:46,617 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:27:46,797 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:27:46,800 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:27:47,260 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:27:47,260 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:27:47,568 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:27:47,568 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:27:47,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:27:47 BoogieIcfgContainer [2024-11-28 04:27:47,570 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:27:47,571 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:27:47,572 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:27:47,577 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:27:47,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:27:45" (1/3) ... [2024-11-28 04:27:47,578 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47480dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:27:47, skipping insertion in model container [2024-11-28 04:27:47,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:27:46" (2/3) ... [2024-11-28 04:27:47,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47480dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:27:47, skipping insertion in model container [2024-11-28 04:27:47,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:27:47" (3/3) ... [2024-11-28 04:27:47,582 INFO L128 eAbstractionObserver]: Analyzing ICFG mix007.opt.i [2024-11-28 04:27:47,601 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:27:47,604 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix007.opt.i that has 5 procedures, 54 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-28 04:27:47,605 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:27:47,686 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 04:27:47,728 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 55 transitions, 126 flow [2024-11-28 04:27:47,781 INFO L124 PetriNetUnfolderBase]: 2/51 cut-off events. [2024-11-28 04:27:47,784 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:27:47,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 51 events. 2/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 103 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2024-11-28 04:27:47,790 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 55 transitions, 126 flow [2024-11-28 04:27:47,794 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 51 transitions, 114 flow [2024-11-28 04:27:47,807 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:27:47,822 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;@2bd0f7c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:27:47,823 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-28 04:27:47,838 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:27:47,841 INFO L124 PetriNetUnfolderBase]: 0/26 cut-off events. [2024-11-28 04:27:47,841 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:27:47,841 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:27:47,842 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:27:47,843 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 04:27:47,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:27:47,850 INFO L85 PathProgramCache]: Analyzing trace with hash 448221375, now seen corresponding path program 1 times [2024-11-28 04:27:47,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:27:47,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011429565] [2024-11-28 04:27:47,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:27:47,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:27:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:27:48,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:27:48,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:27:48,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011429565] [2024-11-28 04:27:48,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011429565] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:27:48,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:27:48,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 04:27:48,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495808225] [2024-11-28 04:27:48,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:27:48,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:27:48,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:27:48,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:27:48,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:27:48,610 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 55 [2024-11-28 04:27:48,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:27:48,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:27:48,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 55 [2024-11-28 04:27:48,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:27:49,405 INFO L124 PetriNetUnfolderBase]: 1175/2003 cut-off events. [2024-11-28 04:27:49,405 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:27:49,414 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3739 conditions, 2003 events. 1175/2003 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 14325 event pairs, 199 based on Foata normal form. 120/2081 useless extension candidates. Maximal degree in co-relation 3727. Up to 1361 conditions per place. [2024-11-28 04:27:49,430 INFO L140 encePairwiseOnDemand]: 50/55 looper letters, 30 selfloop transitions, 2 changer transitions 2/58 dead transitions. [2024-11-28 04:27:49,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 58 transitions, 196 flow [2024-11-28 04:27:49,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:27:49,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:27:49,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 123 transitions. [2024-11-28 04:27:49,446 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7454545454545455 [2024-11-28 04:27:49,448 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 114 flow. Second operand 3 states and 123 transitions. [2024-11-28 04:27:49,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 58 transitions, 196 flow [2024-11-28 04:27:49,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 58 transitions, 192 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 04:27:49,458 INFO L231 Difference]: Finished difference. Result has 58 places, 46 transitions, 104 flow [2024-11-28 04:27:49,462 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=58, PETRI_TRANSITIONS=46} [2024-11-28 04:27:49,468 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, -4 predicate places. [2024-11-28 04:27:49,468 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 46 transitions, 104 flow [2024-11-28 04:27:49,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:27:49,469 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:27:49,469 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:27:49,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:27:49,469 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 04:27:49,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:27:49,471 INFO L85 PathProgramCache]: Analyzing trace with hash -984061845, now seen corresponding path program 1 times [2024-11-28 04:27:49,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:27:49,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073889083] [2024-11-28 04:27:49,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:27:49,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:27:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:27:49,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:27:49,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:27:49,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073889083] [2024-11-28 04:27:49,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073889083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:27:49,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:27:49,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 04:27:49,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012583776] [2024-11-28 04:27:49,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:27:49,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:27:49,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:27:49,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:27:49,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:27:49,583 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 55 [2024-11-28 04:27:49,584 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:27:49,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:27:49,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 55 [2024-11-28 04:27:49,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:27:50,114 INFO L124 PetriNetUnfolderBase]: 1027/1867 cut-off events. [2024-11-28 04:27:50,114 INFO L125 PetriNetUnfolderBase]: For 84/84 co-relation queries the response was YES. [2024-11-28 04:27:50,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3477 conditions, 1867 events. 1027/1867 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 13974 event pairs, 1027 based on Foata normal form. 60/1861 useless extension candidates. Maximal degree in co-relation 3467. Up to 1484 conditions per place. [2024-11-28 04:27:50,131 INFO L140 encePairwiseOnDemand]: 53/55 looper letters, 20 selfloop transitions, 1 changer transitions 1/45 dead transitions. [2024-11-28 04:27:50,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 45 transitions, 146 flow [2024-11-28 04:27:50,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:27:50,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:27:50,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 104 transitions. [2024-11-28 04:27:50,134 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6303030303030303 [2024-11-28 04:27:50,134 INFO L175 Difference]: Start difference. First operand has 58 places, 46 transitions, 104 flow. Second operand 3 states and 104 transitions. [2024-11-28 04:27:50,134 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 45 transitions, 146 flow [2024-11-28 04:27:50,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 45 transitions, 142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:27:50,136 INFO L231 Difference]: Finished difference. Result has 56 places, 44 transitions, 98 flow [2024-11-28 04:27:50,136 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=56, PETRI_TRANSITIONS=44} [2024-11-28 04:27:50,139 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, -6 predicate places. [2024-11-28 04:27:50,139 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 44 transitions, 98 flow [2024-11-28 04:27:50,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:27:50,140 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:27:50,140 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:27:50,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:27:50,140 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 04:27:50,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:27:50,141 INFO L85 PathProgramCache]: Analyzing trace with hash -984060592, now seen corresponding path program 1 times [2024-11-28 04:27:50,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:27:50,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505703173] [2024-11-28 04:27:50,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:27:50,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:27:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:27:50,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:27:50,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:27:50,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505703173] [2024-11-28 04:27:50,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505703173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:27:50,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:27:50,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:27:50,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965043724] [2024-11-28 04:27:50,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:27:50,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:27:50,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:27:50,585 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:27:50,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:27:50,605 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 55 [2024-11-28 04:27:50,606 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 98 flow. Second operand has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:27:50,606 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:27:50,606 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 55 [2024-11-28 04:27:50,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:27:53,810 INFO L124 PetriNetUnfolderBase]: 13564/20670 cut-off events. [2024-11-28 04:27:53,811 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:27:53,873 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39479 conditions, 20670 events. 13564/20670 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1224. Compared 159000 event pairs, 3268 based on Foata normal form. 0/20059 useless extension candidates. Maximal degree in co-relation 39473. Up to 8336 conditions per place. [2024-11-28 04:27:53,945 INFO L140 encePairwiseOnDemand]: 43/55 looper letters, 43 selfloop transitions, 8 changer transitions 84/151 dead transitions. [2024-11-28 04:27:53,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 151 transitions, 588 flow [2024-11-28 04:27:53,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:27:53,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 04:27:53,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 326 transitions. [2024-11-28 04:27:53,949 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6585858585858586 [2024-11-28 04:27:53,949 INFO L175 Difference]: Start difference. First operand has 56 places, 44 transitions, 98 flow. Second operand 9 states and 326 transitions. [2024-11-28 04:27:53,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 151 transitions, 588 flow [2024-11-28 04:27:53,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 151 transitions, 587 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:27:53,954 INFO L231 Difference]: Finished difference. Result has 70 places, 50 transitions, 207 flow [2024-11-28 04:27:53,954 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=207, PETRI_PLACES=70, PETRI_TRANSITIONS=50} [2024-11-28 04:27:53,954 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 8 predicate places. [2024-11-28 04:27:53,954 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 50 transitions, 207 flow [2024-11-28 04:27:53,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.8) internal successors, (119), 5 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:27:53,955 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:27:53,955 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:27:53,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:27:53,955 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 04:27:53,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:27:53,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1933996849, now seen corresponding path program 1 times [2024-11-28 04:27:53,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:27:53,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877492338] [2024-11-28 04:27:53,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:27:53,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:27:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:27:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:27:54,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:27:54,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877492338] [2024-11-28 04:27:54,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877492338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:27:54,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:27:54,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:27:54,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865945899] [2024-11-28 04:27:54,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:27:54,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:27:54,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:27:54,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:27:54,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:27:54,295 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 55 [2024-11-28 04:27:54,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 50 transitions, 207 flow. Second operand has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:27:54,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:27:54,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 55 [2024-11-28 04:27:54,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:27:56,883 INFO L124 PetriNetUnfolderBase]: 9538/15414 cut-off events. [2024-11-28 04:27:56,883 INFO L125 PetriNetUnfolderBase]: For 22109/22109 co-relation queries the response was YES. [2024-11-28 04:27:56,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46792 conditions, 15414 events. 9538/15414 cut-off events. For 22109/22109 co-relation queries the response was YES. Maximal size of possible extension queue 875. Compared 120533 event pairs, 1728 based on Foata normal form. 420/15746 useless extension candidates. Maximal degree in co-relation 46777. Up to 5580 conditions per place. [2024-11-28 04:27:56,984 INFO L140 encePairwiseOnDemand]: 44/55 looper letters, 50 selfloop transitions, 9 changer transitions 76/151 dead transitions. [2024-11-28 04:27:56,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 151 transitions, 1009 flow [2024-11-28 04:27:56,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:27:56,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 04:27:56,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 332 transitions. [2024-11-28 04:27:56,987 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6036363636363636 [2024-11-28 04:27:56,987 INFO L175 Difference]: Start difference. First operand has 70 places, 50 transitions, 207 flow. Second operand 10 states and 332 transitions. [2024-11-28 04:27:56,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 151 transitions, 1009 flow [2024-11-28 04:27:57,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 151 transitions, 859 flow, removed 38 selfloop flow, removed 4 redundant places. [2024-11-28 04:27:57,088 INFO L231 Difference]: Finished difference. Result has 77 places, 55 transitions, 273 flow [2024-11-28 04:27:57,088 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=173, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=273, PETRI_PLACES=77, PETRI_TRANSITIONS=55} [2024-11-28 04:27:57,089 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 15 predicate places. [2024-11-28 04:27:57,090 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 55 transitions, 273 flow [2024-11-28 04:27:57,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:27:57,090 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:27:57,091 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:27:57,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:27:57,092 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 04:27:57,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:27:57,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1190777921, now seen corresponding path program 1 times [2024-11-28 04:27:57,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:27:57,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657187717] [2024-11-28 04:27:57,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:27:57,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:27:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:27:57,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:27:57,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:27:57,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657187717] [2024-11-28 04:27:57,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657187717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:27:57,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:27:57,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:27:57,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89112765] [2024-11-28 04:27:57,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:27:57,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:27:57,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:27:57,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:27:57,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:27:57,527 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 55 [2024-11-28 04:27:57,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 55 transitions, 273 flow. Second operand has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:27:57,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:27:57,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 55 [2024-11-28 04:27:57,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:27:59,253 INFO L124 PetriNetUnfolderBase]: 8551/13942 cut-off events. [2024-11-28 04:27:59,253 INFO L125 PetriNetUnfolderBase]: For 26379/26379 co-relation queries the response was YES. [2024-11-28 04:27:59,285 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44392 conditions, 13942 events. 8551/13942 cut-off events. For 26379/26379 co-relation queries the response was YES. Maximal size of possible extension queue 778. Compared 108407 event pairs, 1105 based on Foata normal form. 298/14162 useless extension candidates. Maximal degree in co-relation 44370. Up to 6747 conditions per place. [2024-11-28 04:27:59,331 INFO L140 encePairwiseOnDemand]: 44/55 looper letters, 56 selfloop transitions, 18 changer transitions 60/150 dead transitions. [2024-11-28 04:27:59,332 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 150 transitions, 1027 flow [2024-11-28 04:27:59,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:27:59,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 04:27:59,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 337 transitions. [2024-11-28 04:27:59,334 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6127272727272727 [2024-11-28 04:27:59,334 INFO L175 Difference]: Start difference. First operand has 77 places, 55 transitions, 273 flow. Second operand 10 states and 337 transitions. [2024-11-28 04:27:59,334 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 150 transitions, 1027 flow [2024-11-28 04:27:59,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 150 transitions, 976 flow, removed 23 selfloop flow, removed 5 redundant places. [2024-11-28 04:27:59,500 INFO L231 Difference]: Finished difference. Result has 83 places, 61 transitions, 388 flow [2024-11-28 04:27:59,501 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=254, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=388, PETRI_PLACES=83, PETRI_TRANSITIONS=61} [2024-11-28 04:27:59,503 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 21 predicate places. [2024-11-28 04:27:59,504 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 61 transitions, 388 flow [2024-11-28 04:27:59,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:27:59,504 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:27:59,504 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:27:59,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:27:59,506 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 04:27:59,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:27:59,507 INFO L85 PathProgramCache]: Analyzing trace with hash -405252680, now seen corresponding path program 1 times [2024-11-28 04:27:59,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:27:59,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481863222] [2024-11-28 04:27:59,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:27:59,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:27:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:27:59,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:27:59,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:27:59,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481863222] [2024-11-28 04:27:59,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481863222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:27:59,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:27:59,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:27:59,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901594698] [2024-11-28 04:27:59,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:27:59,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:27:59,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:27:59,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:27:59,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:27:59,885 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 55 [2024-11-28 04:27:59,885 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 61 transitions, 388 flow. Second operand has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 6 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:27:59,885 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:27:59,885 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 55 [2024-11-28 04:27:59,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:28:02,255 INFO L124 PetriNetUnfolderBase]: 7696/12790 cut-off events. [2024-11-28 04:28:02,255 INFO L125 PetriNetUnfolderBase]: For 33614/33614 co-relation queries the response was YES. [2024-11-28 04:28:02,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43865 conditions, 12790 events. 7696/12790 cut-off events. For 33614/33614 co-relation queries the response was YES. Maximal size of possible extension queue 688. Compared 100617 event pairs, 1443 based on Foata normal form. 264/12978 useless extension candidates. Maximal degree in co-relation 43838. Up to 4402 conditions per place. [2024-11-28 04:28:02,327 INFO L140 encePairwiseOnDemand]: 45/55 looper letters, 65 selfloop transitions, 12 changer transitions 62/155 dead transitions. [2024-11-28 04:28:02,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 155 transitions, 1222 flow [2024-11-28 04:28:02,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:28:02,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 04:28:02,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 327 transitions. [2024-11-28 04:28:02,329 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5945454545454546 [2024-11-28 04:28:02,329 INFO L175 Difference]: Start difference. First operand has 83 places, 61 transitions, 388 flow. Second operand 10 states and 327 transitions. [2024-11-28 04:28:02,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 155 transitions, 1222 flow [2024-11-28 04:28:02,645 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 155 transitions, 1128 flow, removed 47 selfloop flow, removed 10 redundant places. [2024-11-28 04:28:02,647 INFO L231 Difference]: Finished difference. Result has 85 places, 67 transitions, 487 flow [2024-11-28 04:28:02,647 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=487, PETRI_PLACES=85, PETRI_TRANSITIONS=67} [2024-11-28 04:28:02,648 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 23 predicate places. [2024-11-28 04:28:02,648 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 67 transitions, 487 flow [2024-11-28 04:28:02,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 6 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:28:02,648 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:28:02,649 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 04:28:02,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:28:02,649 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 04:28:02,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:02,649 INFO L85 PathProgramCache]: Analyzing trace with hash 479078517, now seen corresponding path program 1 times [2024-11-28 04:28:02,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:02,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531989559] [2024-11-28 04:28:02,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:02,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:02,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:28:02,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:02,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531989559] [2024-11-28 04:28:02,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531989559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:02,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:02,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:28:02,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453284285] [2024-11-28 04:28:02,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:02,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:28:02,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:02,931 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:28:02,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:28:02,941 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 55 [2024-11-28 04:28:02,942 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 67 transitions, 487 flow. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:28:02,942 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:28:02,942 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 55 [2024-11-28 04:28:02,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:28:05,840 INFO L124 PetriNetUnfolderBase]: 15648/23625 cut-off events. [2024-11-28 04:28:05,840 INFO L125 PetriNetUnfolderBase]: For 40241/45077 co-relation queries the response was YES. [2024-11-28 04:28:05,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66771 conditions, 23625 events. 15648/23625 cut-off events. For 40241/45077 co-relation queries the response was YES. Maximal size of possible extension queue 1233. Compared 173407 event pairs, 2416 based on Foata normal form. 1117/23705 useless extension candidates. Maximal degree in co-relation 66743. Up to 12605 conditions per place. [2024-11-28 04:28:06,000 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 61 selfloop transitions, 6 changer transitions 0/103 dead transitions. [2024-11-28 04:28:06,000 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 103 transitions, 821 flow [2024-11-28 04:28:06,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:28:06,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 04:28:06,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 148 transitions. [2024-11-28 04:28:06,001 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6727272727272727 [2024-11-28 04:28:06,001 INFO L175 Difference]: Start difference. First operand has 85 places, 67 transitions, 487 flow. Second operand 4 states and 148 transitions. [2024-11-28 04:28:06,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 103 transitions, 821 flow [2024-11-28 04:28:06,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 103 transitions, 803 flow, removed 7 selfloop flow, removed 3 redundant places. [2024-11-28 04:28:06,181 INFO L231 Difference]: Finished difference. Result has 81 places, 72 transitions, 515 flow [2024-11-28 04:28:06,181 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=469, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=515, PETRI_PLACES=81, PETRI_TRANSITIONS=72} [2024-11-28 04:28:06,182 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 19 predicate places. [2024-11-28 04:28:06,182 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 72 transitions, 515 flow [2024-11-28 04:28:06,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:28:06,182 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:28:06,182 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:06,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:28:06,182 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 04:28:06,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:06,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1728763450, now seen corresponding path program 1 times [2024-11-28 04:28:06,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:06,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965419679] [2024-11-28 04:28:06,183 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:06,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:06,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:28:06,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:06,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965419679] [2024-11-28 04:28:06,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965419679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:06,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:06,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:28:06,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922785971] [2024-11-28 04:28:06,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:06,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:28:06,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:06,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:28:06,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:28:06,626 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 55 [2024-11-28 04:28:06,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 72 transitions, 515 flow. Second operand has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:28:06,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:28:06,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 55 [2024-11-28 04:28:06,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:28:09,180 INFO L124 PetriNetUnfolderBase]: 13655/20896 cut-off events. [2024-11-28 04:28:09,181 INFO L125 PetriNetUnfolderBase]: For 33530/38249 co-relation queries the response was YES. [2024-11-28 04:28:09,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63945 conditions, 20896 events. 13655/20896 cut-off events. For 33530/38249 co-relation queries the response was YES. Maximal size of possible extension queue 1066. Compared 151319 event pairs, 1165 based on Foata normal form. 1140/21256 useless extension candidates. Maximal degree in co-relation 63916. Up to 8164 conditions per place. [2024-11-28 04:28:09,356 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 79 selfloop transitions, 10 changer transitions 0/125 dead transitions. [2024-11-28 04:28:09,360 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 125 transitions, 1011 flow [2024-11-28 04:28:09,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:28:09,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 04:28:09,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 189 transitions. [2024-11-28 04:28:09,361 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6872727272727273 [2024-11-28 04:28:09,361 INFO L175 Difference]: Start difference. First operand has 81 places, 72 transitions, 515 flow. Second operand 5 states and 189 transitions. [2024-11-28 04:28:09,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 125 transitions, 1011 flow [2024-11-28 04:28:09,387 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 125 transitions, 996 flow, removed 6 selfloop flow, removed 5 redundant places. [2024-11-28 04:28:09,389 INFO L231 Difference]: Finished difference. Result has 82 places, 77 transitions, 568 flow [2024-11-28 04:28:09,392 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=501, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=568, PETRI_PLACES=82, PETRI_TRANSITIONS=77} [2024-11-28 04:28:09,393 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 20 predicate places. [2024-11-28 04:28:09,393 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 77 transitions, 568 flow [2024-11-28 04:28:09,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:28:09,393 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:28:09,394 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:09,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:28:09,394 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 04:28:09,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:09,395 INFO L85 PathProgramCache]: Analyzing trace with hash -2023713651, now seen corresponding path program 1 times [2024-11-28 04:28:09,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:09,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298463093] [2024-11-28 04:28:09,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:09,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:09,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:28:09,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:09,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298463093] [2024-11-28 04:28:09,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298463093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:09,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:09,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:28:09,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898817403] [2024-11-28 04:28:09,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:09,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:28:09,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:09,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:28:09,966 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:28:09,981 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 55 [2024-11-28 04:28:09,982 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 77 transitions, 568 flow. Second operand has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:28:09,982 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:28:09,982 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 55 [2024-11-28 04:28:09,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:28:12,369 INFO L124 PetriNetUnfolderBase]: 10863/16664 cut-off events. [2024-11-28 04:28:12,370 INFO L125 PetriNetUnfolderBase]: For 39897/45568 co-relation queries the response was YES. [2024-11-28 04:28:12,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57927 conditions, 16664 events. 10863/16664 cut-off events. For 39897/45568 co-relation queries the response was YES. Maximal size of possible extension queue 924. Compared 116805 event pairs, 651 based on Foata normal form. 969/16984 useless extension candidates. Maximal degree in co-relation 57899. Up to 5684 conditions per place. [2024-11-28 04:28:12,440 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 91 selfloop transitions, 14 changer transitions 0/141 dead transitions. [2024-11-28 04:28:12,440 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 141 transitions, 1157 flow [2024-11-28 04:28:12,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:28:12,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:28:12,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 228 transitions. [2024-11-28 04:28:12,442 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6909090909090909 [2024-11-28 04:28:12,442 INFO L175 Difference]: Start difference. First operand has 82 places, 77 transitions, 568 flow. Second operand 6 states and 228 transitions. [2024-11-28 04:28:12,442 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 141 transitions, 1157 flow [2024-11-28 04:28:12,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 141 transitions, 1141 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-28 04:28:12,455 INFO L231 Difference]: Finished difference. Result has 87 places, 82 transitions, 638 flow [2024-11-28 04:28:12,455 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=638, PETRI_PLACES=87, PETRI_TRANSITIONS=82} [2024-11-28 04:28:12,456 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 25 predicate places. [2024-11-28 04:28:12,456 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 82 transitions, 638 flow [2024-11-28 04:28:12,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:28:12,456 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:28:12,456 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:12,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:28:12,456 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 04:28:12,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:12,457 INFO L85 PathProgramCache]: Analyzing trace with hash -15178730, now seen corresponding path program 1 times [2024-11-28 04:28:12,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:12,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51578165] [2024-11-28 04:28:12,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:12,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:12,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:12,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:28:12,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:12,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51578165] [2024-11-28 04:28:12,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51578165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:12,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:12,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:28:12,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400731538] [2024-11-28 04:28:12,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:12,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:28:12,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:12,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:28:12,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:28:12,789 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 55 [2024-11-28 04:28:12,789 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 82 transitions, 638 flow. Second operand has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:28:12,790 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:28:12,790 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 55 [2024-11-28 04:28:12,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:28:15,084 INFO L124 PetriNetUnfolderBase]: 9891/17853 cut-off events. [2024-11-28 04:28:15,084 INFO L125 PetriNetUnfolderBase]: For 42343/46695 co-relation queries the response was YES. [2024-11-28 04:28:15,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58336 conditions, 17853 events. 9891/17853 cut-off events. For 42343/46695 co-relation queries the response was YES. Maximal size of possible extension queue 1128. Compared 158734 event pairs, 3701 based on Foata normal form. 580/16389 useless extension candidates. Maximal degree in co-relation 58306. Up to 7076 conditions per place. [2024-11-28 04:28:15,201 INFO L140 encePairwiseOnDemand]: 50/55 looper letters, 66 selfloop transitions, 4 changer transitions 14/135 dead transitions. [2024-11-28 04:28:15,201 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 135 transitions, 1093 flow [2024-11-28 04:28:15,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:28:15,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:28:15,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 214 transitions. [2024-11-28 04:28:15,203 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6484848484848484 [2024-11-28 04:28:15,203 INFO L175 Difference]: Start difference. First operand has 87 places, 82 transitions, 638 flow. Second operand 6 states and 214 transitions. [2024-11-28 04:28:15,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 135 transitions, 1093 flow [2024-11-28 04:28:15,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 135 transitions, 1062 flow, removed 8 selfloop flow, removed 3 redundant places. [2024-11-28 04:28:15,326 INFO L231 Difference]: Finished difference. Result has 93 places, 85 transitions, 670 flow [2024-11-28 04:28:15,326 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=607, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=670, PETRI_PLACES=93, PETRI_TRANSITIONS=85} [2024-11-28 04:28:15,326 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 31 predicate places. [2024-11-28 04:28:15,327 INFO L471 AbstractCegarLoop]: Abstraction has has 93 places, 85 transitions, 670 flow [2024-11-28 04:28:15,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:28:15,327 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:28:15,327 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:15,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 04:28:15,327 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 04:28:15,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:15,328 INFO L85 PathProgramCache]: Analyzing trace with hash -413586654, now seen corresponding path program 2 times [2024-11-28 04:28:15,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:15,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423267938] [2024-11-28 04:28:15,328 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:28:15,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:15,409 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:28:15,409 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:28:17,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:28:17,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:17,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423267938] [2024-11-28 04:28:17,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423267938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:17,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:17,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 04:28:17,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489602836] [2024-11-28 04:28:17,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:17,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:28:17,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:17,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:28:17,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:28:17,680 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 55 [2024-11-28 04:28:17,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 85 transitions, 670 flow. Second operand has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:28:17,680 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:28:17,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 55 [2024-11-28 04:28:17,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:28:20,864 INFO L124 PetriNetUnfolderBase]: 13872/25937 cut-off events. [2024-11-28 04:28:20,864 INFO L125 PetriNetUnfolderBase]: For 43232/47423 co-relation queries the response was YES. [2024-11-28 04:28:20,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79182 conditions, 25937 events. 13872/25937 cut-off events. For 43232/47423 co-relation queries the response was YES. Maximal size of possible extension queue 1863. Compared 257521 event pairs, 3533 based on Foata normal form. 714/24065 useless extension candidates. Maximal degree in co-relation 79149. Up to 6787 conditions per place. [2024-11-28 04:28:21,026 INFO L140 encePairwiseOnDemand]: 46/55 looper letters, 58 selfloop transitions, 19 changer transitions 11/146 dead transitions. [2024-11-28 04:28:21,026 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 146 transitions, 1133 flow [2024-11-28 04:28:21,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 04:28:21,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-28 04:28:21,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 365 transitions. [2024-11-28 04:28:21,028 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6033057851239669 [2024-11-28 04:28:21,028 INFO L175 Difference]: Start difference. First operand has 93 places, 85 transitions, 670 flow. Second operand 11 states and 365 transitions. [2024-11-28 04:28:21,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 146 transitions, 1133 flow [2024-11-28 04:28:21,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 146 transitions, 1126 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-11-28 04:28:21,179 INFO L231 Difference]: Finished difference. Result has 104 places, 101 transitions, 864 flow [2024-11-28 04:28:21,179 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=665, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=864, PETRI_PLACES=104, PETRI_TRANSITIONS=101} [2024-11-28 04:28:21,180 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 42 predicate places. [2024-11-28 04:28:21,180 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 101 transitions, 864 flow [2024-11-28 04:28:21,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 28.0) internal successors, (252), 9 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:28:21,180 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:28:21,181 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:21,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 04:28:21,181 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 04:28:21,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:21,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1674429700, now seen corresponding path program 3 times [2024-11-28 04:28:21,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:21,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553402580] [2024-11-28 04:28:21,182 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:28:21,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:21,237 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 04:28:21,237 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:28:21,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:28:21,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:21,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553402580] [2024-11-28 04:28:21,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553402580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:21,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:21,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:28:21,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070677634] [2024-11-28 04:28:21,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:21,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:28:21,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:21,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:28:21,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:28:21,632 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 55 [2024-11-28 04:28:21,632 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 101 transitions, 864 flow. Second operand has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:28:21,632 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:28:21,632 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 55 [2024-11-28 04:28:21,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:28:26,122 INFO L124 PetriNetUnfolderBase]: 26082/39827 cut-off events. [2024-11-28 04:28:26,122 INFO L125 PetriNetUnfolderBase]: For 114906/126408 co-relation queries the response was YES. [2024-11-28 04:28:26,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 143976 conditions, 39827 events. 26082/39827 cut-off events. For 114906/126408 co-relation queries the response was YES. Maximal size of possible extension queue 2786. Compared 325241 event pairs, 1329 based on Foata normal form. 1662/40181 useless extension candidates. Maximal degree in co-relation 143938. Up to 14124 conditions per place. [2024-11-28 04:28:26,341 INFO L140 encePairwiseOnDemand]: 48/55 looper letters, 98 selfloop transitions, 18 changer transitions 23/178 dead transitions. [2024-11-28 04:28:26,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 178 transitions, 1776 flow [2024-11-28 04:28:26,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:28:26,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 04:28:26,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 249 transitions. [2024-11-28 04:28:26,342 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6467532467532467 [2024-11-28 04:28:26,342 INFO L175 Difference]: Start difference. First operand has 104 places, 101 transitions, 864 flow. Second operand 7 states and 249 transitions. [2024-11-28 04:28:26,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 178 transitions, 1776 flow [2024-11-28 04:28:27,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 178 transitions, 1733 flow, removed 6 selfloop flow, removed 4 redundant places. [2024-11-28 04:28:27,110 INFO L231 Difference]: Finished difference. Result has 106 places, 96 transitions, 849 flow [2024-11-28 04:28:27,110 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=820, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=849, PETRI_PLACES=106, PETRI_TRANSITIONS=96} [2024-11-28 04:28:27,111 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 44 predicate places. [2024-11-28 04:28:27,111 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 96 transitions, 849 flow [2024-11-28 04:28:27,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:28:27,111 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:28:27,111 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:27,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:28:27,111 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 04:28:27,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:27,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1919413517, now seen corresponding path program 1 times [2024-11-28 04:28:27,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:27,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111956655] [2024-11-28 04:28:27,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:28:27,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:28:27,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:28:27,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:27,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111956655] [2024-11-28 04:28:27,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111956655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:27,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:27,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:28:27,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622961384] [2024-11-28 04:28:27,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:27,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:28:27,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:27,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:28:27,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:28:27,482 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 55 [2024-11-28 04:28:27,482 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 96 transitions, 849 flow. Second operand has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:28:27,483 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:28:27,483 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 55 [2024-11-28 04:28:27,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:28:31,588 INFO L124 PetriNetUnfolderBase]: 18982/36056 cut-off events. [2024-11-28 04:28:31,588 INFO L125 PetriNetUnfolderBase]: For 116709/124216 co-relation queries the response was YES. [2024-11-28 04:28:31,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126881 conditions, 36056 events. 18982/36056 cut-off events. For 116709/124216 co-relation queries the response was YES. Maximal size of possible extension queue 2831. Compared 382585 event pairs, 6613 based on Foata normal form. 466/32205 useless extension candidates. Maximal degree in co-relation 126843. Up to 10688 conditions per place. [2024-11-28 04:28:31,798 INFO L140 encePairwiseOnDemand]: 50/55 looper letters, 36 selfloop transitions, 2 changer transitions 68/156 dead transitions. [2024-11-28 04:28:31,798 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 156 transitions, 1464 flow [2024-11-28 04:28:31,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:28:31,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:28:31,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 207 transitions. [2024-11-28 04:28:31,799 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6272727272727273 [2024-11-28 04:28:31,800 INFO L175 Difference]: Start difference. First operand has 106 places, 96 transitions, 849 flow. Second operand 6 states and 207 transitions. [2024-11-28 04:28:31,800 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 156 transitions, 1464 flow [2024-11-28 04:28:33,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 156 transitions, 1313 flow, removed 64 selfloop flow, removed 7 redundant places. [2024-11-28 04:28:33,843 INFO L231 Difference]: Finished difference. Result has 106 places, 77 transitions, 570 flow [2024-11-28 04:28:33,843 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=55, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=570, PETRI_PLACES=106, PETRI_TRANSITIONS=77} [2024-11-28 04:28:33,844 INFO L279 CegarLoopForPetriNet]: 62 programPoint places, 44 predicate places. [2024-11-28 04:28:33,844 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 77 transitions, 570 flow [2024-11-28 04:28:33,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 6 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:28:33,844 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:28:33,845 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:28:33,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 04:28:33,845 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P3Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-28 04:28:33,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:28:33,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1797530853, now seen corresponding path program 2 times [2024-11-28 04:28:33,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:28:33,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538391887] [2024-11-28 04:28:33,846 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:28:33,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:28:33,874 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:28:33,875 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:28:34,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:28:34,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:28:34,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538391887] [2024-11-28 04:28:34,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538391887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:28:34,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:28:34,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:28:34,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799255579] [2024-11-28 04:28:34,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:28:34,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:28:34,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:28:34,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:28:34,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:28:34,203 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 55 [2024-11-28 04:28:34,204 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 77 transitions, 570 flow. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 5 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:28:34,205 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:28:34,205 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 55 [2024-11-28 04:28:34,205 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand