./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/mix017_power.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix017_power.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1 --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 c394bf0b454616c76d3ba114fe7f9b161b2a3a1a85dec23beec05d3a021c1c91 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:03:38,980 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:03:39,035 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-12-02 11:03:39,039 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:03:39,039 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:03:39,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:03:39,059 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:03:39,059 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:03:39,059 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:03:39,059 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:03:39,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:03:39,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:03:39,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:03:39,060 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:03:39,060 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:03:39,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:03:39,060 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:03:39,060 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:03:39,060 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:03:39,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:03:39,061 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-02 11:03:39,061 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-02 11:03:39,061 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-02 11:03:39,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:03:39,061 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 11:03:39,061 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 11:03:39,061 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:03:39,061 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:03:39,061 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:03:39,061 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:03:39,062 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:03:39,062 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:03:39,062 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:03:39,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:03:39,062 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:03:39,062 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:03:39,062 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:03:39,062 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:03:39,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:03:39,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:03:39,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:03:39,063 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:03:39,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:03:39,063 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:03:39,063 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:03:39,063 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:03:39,063 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:03:39,063 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_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1 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 -> c394bf0b454616c76d3ba114fe7f9b161b2a3a1a85dec23beec05d3a021c1c91 [2024-12-02 11:03:39,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:03:39,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:03:39,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:03:39,277 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:03:39,278 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:03:39,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread-wmm/mix017_power.opt_rmo.opt.i [2024-12-02 11:03:41,856 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/data/b15f5d69d/e33f66da163f419fb33c0feb67b8adca/FLAG77e120a14 [2024-12-02 11:03:42,104 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:03:42,104 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/sv-benchmarks/c/pthread-wmm/mix017_power.opt_rmo.opt.i [2024-12-02 11:03:42,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/data/b15f5d69d/e33f66da163f419fb33c0feb67b8adca/FLAG77e120a14 [2024-12-02 11:03:42,439 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/data/b15f5d69d/e33f66da163f419fb33c0feb67b8adca [2024-12-02 11:03:42,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:03:42,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:03:42,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:03:42,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:03:42,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:03:42,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:03:42" (1/1) ... [2024-12-02 11:03:42,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bde9f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:03:42, skipping insertion in model container [2024-12-02 11:03:42,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:03:42" (1/1) ... [2024-12-02 11:03:42,473 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:03:42,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:03:42,767 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:03:42,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:03:42,857 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:03:42,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:03:42 WrapperNode [2024-12-02 11:03:42,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:03:42,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:03:42,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:03:42,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:03:42,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:03:42" (1/1) ... [2024-12-02 11:03:42,879 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:03:42" (1/1) ... [2024-12-02 11:03:42,895 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 133 [2024-12-02 11:03:42,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:03:42,896 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:03:42,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:03:42,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:03:42,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:03:42" (1/1) ... [2024-12-02 11:03:42,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:03:42" (1/1) ... [2024-12-02 11:03:42,904 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:03:42" (1/1) ... [2024-12-02 11:03:42,920 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]. [2024-12-02 11:03:42,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:03:42" (1/1) ... [2024-12-02 11:03:42,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:03:42" (1/1) ... [2024-12-02 11:03:42,926 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:03:42" (1/1) ... [2024-12-02 11:03:42,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:03:42" (1/1) ... [2024-12-02 11:03:42,929 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:03:42" (1/1) ... [2024-12-02 11:03:42,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:03:42" (1/1) ... [2024-12-02 11:03:42,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:03:42" (1/1) ... [2024-12-02 11:03:42,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:03:42,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:03:42,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:03:42,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:03:42,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:03:42" (1/1) ... [2024-12-02 11:03:42,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:03:42,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:03:42,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:03:42,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:03:42,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-02 11:03:42,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:03:42,993 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-02 11:03:42,993 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-02 11:03:42,993 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-02 11:03:42,993 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-02 11:03:42,993 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-02 11:03:42,993 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-02 11:03:42,993 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-12-02 11:03:42,993 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-12-02 11:03:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:03:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-02 11:03:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:03:42,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:03:42,995 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 11:03:43,111 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:03:43,113 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:03:43,383 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 11:03:43,383 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:03:43,580 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:03:43,580 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 11:03:43,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:03:43 BoogieIcfgContainer [2024-12-02 11:03:43,581 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:03:43,582 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:03:43,583 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:03:43,587 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:03:43,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:03:42" (1/3) ... [2024-12-02 11:03:43,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35dcff90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:03:43, skipping insertion in model container [2024-12-02 11:03:43,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:03:42" (2/3) ... [2024-12-02 11:03:43,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35dcff90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:03:43, skipping insertion in model container [2024-12-02 11:03:43,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:03:43" (3/3) ... [2024-12-02 11:03:43,589 INFO L128 eAbstractionObserver]: Analyzing ICFG mix017_power.opt_rmo.opt.i [2024-12-02 11:03:43,605 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:03:43,607 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix017_power.opt_rmo.opt.i that has 5 procedures, 53 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-12-02 11:03:43,607 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 11:03:43,666 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-02 11:03:43,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 54 transitions, 124 flow [2024-12-02 11:03:43,732 INFO L124 PetriNetUnfolderBase]: 2/50 cut-off events. [2024-12-02 11:03:43,734 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 11:03:43,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 50 events. 2/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 106 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2024-12-02 11:03:43,738 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 54 transitions, 124 flow [2024-12-02 11:03:43,742 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 50 transitions, 112 flow [2024-12-02 11:03:43,750 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:03:43,762 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;@11269885, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:03:43,762 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-12-02 11:03:43,771 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 11:03:43,771 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2024-12-02 11:03:43,771 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 11:03:43,771 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:03:43,772 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:03:43,772 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:03:43,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:03:43,778 INFO L85 PathProgramCache]: Analyzing trace with hash -2033505313, now seen corresponding path program 1 times [2024-12-02 11:03:43,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:03:43,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094697316] [2024-12-02 11:03:43,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:03:43,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:03:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:03:44,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:03:44,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:03:44,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094697316] [2024-12-02 11:03:44,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094697316] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:03:44,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:03:44,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 11:03:44,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622667276] [2024-12-02 11:03:44,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:03:44,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:03:44,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:03:44,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:03:44,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:03:44,223 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 54 [2024-12-02 11:03:44,226 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2024-12-02 11:03:44,226 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:03:44,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 54 [2024-12-02 11:03:44,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:03:44,853 INFO L124 PetriNetUnfolderBase]: 1525/2635 cut-off events. [2024-12-02 11:03:44,853 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-12-02 11:03:44,862 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4873 conditions, 2635 events. 1525/2635 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 19314 event pairs, 277 based on Foata normal form. 144/2731 useless extension candidates. Maximal degree in co-relation 4861. Up to 1717 conditions per place. [2024-12-02 11:03:44,875 INFO L140 encePairwiseOnDemand]: 49/54 looper letters, 33 selfloop transitions, 2 changer transitions 2/60 dead transitions. [2024-12-02 11:03:44,876 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 60 transitions, 209 flow [2024-12-02 11:03:44,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:03:44,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:03:44,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 123 transitions. [2024-12-02 11:03:44,889 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7592592592592593 [2024-12-02 11:03:44,891 INFO L175 Difference]: Start difference. First operand has 61 places, 50 transitions, 112 flow. Second operand 3 states and 123 transitions. [2024-12-02 11:03:44,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 60 transitions, 209 flow [2024-12-02 11:03:44,896 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 60 transitions, 204 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-12-02 11:03:44,899 INFO L231 Difference]: Finished difference. Result has 57 places, 45 transitions, 102 flow [2024-12-02 11:03:44,901 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=57, PETRI_TRANSITIONS=45} [2024-12-02 11:03:44,905 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -4 predicate places. [2024-12-02 11:03:44,905 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 45 transitions, 102 flow [2024-12-02 11:03:44,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2024-12-02 11:03:44,905 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:03:44,905 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:03:44,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 11:03:44,906 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:03:44,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:03:44,907 INFO L85 PathProgramCache]: Analyzing trace with hash -2045636386, now seen corresponding path program 1 times [2024-12-02 11:03:44,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:03:44,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914060112] [2024-12-02 11:03:44,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:03:44,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:03:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:03:44,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:03:44,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:03:44,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914060112] [2024-12-02 11:03:44,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914060112] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:03:44,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:03:44,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 11:03:44,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123206379] [2024-12-02 11:03:44,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:03:44,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:03:44,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:03:44,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:03:44,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:03:44,974 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 54 [2024-12-02 11:03:44,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 45 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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) [2024-12-02 11:03:44,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:03:44,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 54 [2024-12-02 11:03:44,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:03:45,455 INFO L124 PetriNetUnfolderBase]: 1339/2419 cut-off events. [2024-12-02 11:03:45,455 INFO L125 PetriNetUnfolderBase]: For 138/138 co-relation queries the response was YES. [2024-12-02 11:03:45,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4535 conditions, 2419 events. 1339/2419 cut-off events. For 138/138 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 18240 event pairs, 1339 based on Foata normal form. 72/2389 useless extension candidates. Maximal degree in co-relation 4525. Up to 1908 conditions per place. [2024-12-02 11:03:45,470 INFO L140 encePairwiseOnDemand]: 52/54 looper letters, 20 selfloop transitions, 1 changer transitions 1/44 dead transitions. [2024-12-02 11:03:45,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 44 transitions, 144 flow [2024-12-02 11:03:45,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:03:45,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:03:45,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 101 transitions. [2024-12-02 11:03:45,471 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6234567901234568 [2024-12-02 11:03:45,472 INFO L175 Difference]: Start difference. First operand has 57 places, 45 transitions, 102 flow. Second operand 3 states and 101 transitions. [2024-12-02 11:03:45,472 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 44 transitions, 144 flow [2024-12-02 11:03:45,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 44 transitions, 140 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 11:03:45,474 INFO L231 Difference]: Finished difference. Result has 55 places, 43 transitions, 96 flow [2024-12-02 11:03:45,474 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=55, PETRI_TRANSITIONS=43} [2024-12-02 11:03:45,474 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -6 predicate places. [2024-12-02 11:03:45,475 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 43 transitions, 96 flow [2024-12-02 11:03:45,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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) [2024-12-02 11:03:45,475 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:03:45,475 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:03:45,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:03:45,475 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:03:45,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:03:45,476 INFO L85 PathProgramCache]: Analyzing trace with hash -2045635158, now seen corresponding path program 1 times [2024-12-02 11:03:45,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:03:45,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752533236] [2024-12-02 11:03:45,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:03:45,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:03:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:03:45,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:03:45,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:03:45,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752533236] [2024-12-02 11:03:45,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752533236] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:03:45,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:03:45,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:03:45,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031802048] [2024-12-02 11:03:45,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:03:45,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:03:45,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:03:45,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:03:45,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:03:45,709 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 54 [2024-12-02 11:03:45,710 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 43 transitions, 96 flow. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 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) [2024-12-02 11:03:45,710 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:03:45,710 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 54 [2024-12-02 11:03:45,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:03:46,562 INFO L124 PetriNetUnfolderBase]: 2477/4085 cut-off events. [2024-12-02 11:03:46,563 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 11:03:46,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7657 conditions, 4085 events. 2477/4085 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 30799 event pairs, 413 based on Foata normal form. 0/3959 useless extension candidates. Maximal degree in co-relation 7651. Up to 1831 conditions per place. [2024-12-02 11:03:46,588 INFO L140 encePairwiseOnDemand]: 48/54 looper letters, 30 selfloop transitions, 2 changer transitions 44/95 dead transitions. [2024-12-02 11:03:46,588 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 95 transitions, 352 flow [2024-12-02 11:03:46,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 11:03:46,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-12-02 11:03:46,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 270 transitions. [2024-12-02 11:03:46,591 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.625 [2024-12-02 11:03:46,591 INFO L175 Difference]: Start difference. First operand has 55 places, 43 transitions, 96 flow. Second operand 8 states and 270 transitions. [2024-12-02 11:03:46,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 95 transitions, 352 flow [2024-12-02 11:03:46,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 95 transitions, 351 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 11:03:46,594 INFO L231 Difference]: Finished difference. Result has 65 places, 42 transitions, 109 flow [2024-12-02 11:03:46,594 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=109, PETRI_PLACES=65, PETRI_TRANSITIONS=42} [2024-12-02 11:03:46,595 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 4 predicate places. [2024-12-02 11:03:46,595 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 42 transitions, 109 flow [2024-12-02 11:03:46,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 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) [2024-12-02 11:03:46,595 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:03:46,596 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] [2024-12-02 11:03:46,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:03:46,596 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:03:46,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:03:46,597 INFO L85 PathProgramCache]: Analyzing trace with hash 286080185, now seen corresponding path program 1 times [2024-12-02 11:03:46,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:03:46,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019550001] [2024-12-02 11:03:46,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:03:46,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:03:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:03:46,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:03:46,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:03:46,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019550001] [2024-12-02 11:03:46,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019550001] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:03:46,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:03:46,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:03:46,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17322821] [2024-12-02 11:03:46,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:03:46,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:03:46,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:03:46,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:03:46,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:03:46,794 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 54 [2024-12-02 11:03:46,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 42 transitions, 109 flow. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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) [2024-12-02 11:03:46,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:03:46,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 54 [2024-12-02 11:03:46,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:03:47,610 INFO L124 PetriNetUnfolderBase]: 5293/8023 cut-off events. [2024-12-02 11:03:47,610 INFO L125 PetriNetUnfolderBase]: For 912/912 co-relation queries the response was YES. [2024-12-02 11:03:47,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16641 conditions, 8023 events. 5293/8023 cut-off events. For 912/912 co-relation queries the response was YES. Maximal size of possible extension queue 504. Compared 54552 event pairs, 663 based on Foata normal form. 240/8215 useless extension candidates. Maximal degree in co-relation 16629. Up to 4461 conditions per place. [2024-12-02 11:03:47,661 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 47 selfloop transitions, 6 changer transitions 1/70 dead transitions. [2024-12-02 11:03:47,662 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 70 transitions, 279 flow [2024-12-02 11:03:47,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:03:47,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 11:03:47,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 144 transitions. [2024-12-02 11:03:47,663 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-12-02 11:03:47,663 INFO L175 Difference]: Start difference. First operand has 65 places, 42 transitions, 109 flow. Second operand 4 states and 144 transitions. [2024-12-02 11:03:47,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 70 transitions, 279 flow [2024-12-02 11:03:47,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 70 transitions, 267 flow, removed 4 selfloop flow, removed 6 redundant places. [2024-12-02 11:03:47,744 INFO L231 Difference]: Finished difference. Result has 58 places, 46 transitions, 139 flow [2024-12-02 11:03:47,745 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=139, PETRI_PLACES=58, PETRI_TRANSITIONS=46} [2024-12-02 11:03:47,745 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-12-02 11:03:47,745 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 46 transitions, 139 flow [2024-12-02 11:03:47,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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) [2024-12-02 11:03:47,746 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:03:47,746 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] [2024-12-02 11:03:47,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:03:47,746 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:03:47,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:03:47,747 INFO L85 PathProgramCache]: Analyzing trace with hash 175093985, now seen corresponding path program 1 times [2024-12-02 11:03:47,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:03:47,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363408521] [2024-12-02 11:03:47,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:03:47,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:03:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:03:47,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:03:47,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:03:47,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363408521] [2024-12-02 11:03:47,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363408521] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:03:47,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:03:47,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:03:47,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601481681] [2024-12-02 11:03:47,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:03:47,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:03:47,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:03:47,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:03:47,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:03:47,997 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 54 [2024-12-02 11:03:47,997 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 46 transitions, 139 flow. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:03:47,997 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:03:47,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 54 [2024-12-02 11:03:47,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:03:48,811 INFO L124 PetriNetUnfolderBase]: 4321/6591 cut-off events. [2024-12-02 11:03:48,811 INFO L125 PetriNetUnfolderBase]: For 1732/1732 co-relation queries the response was YES. [2024-12-02 11:03:48,822 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15321 conditions, 6591 events. 4321/6591 cut-off events. For 1732/1732 co-relation queries the response was YES. Maximal size of possible extension queue 398. Compared 43310 event pairs, 249 based on Foata normal form. 228/6779 useless extension candidates. Maximal degree in co-relation 15311. Up to 3201 conditions per place. [2024-12-02 11:03:48,843 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 60 selfloop transitions, 10 changer transitions 1/87 dead transitions. [2024-12-02 11:03:48,844 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 87 transitions, 392 flow [2024-12-02 11:03:48,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:03:48,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 11:03:48,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 183 transitions. [2024-12-02 11:03:48,845 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6777777777777778 [2024-12-02 11:03:48,845 INFO L175 Difference]: Start difference. First operand has 58 places, 46 transitions, 139 flow. Second operand 5 states and 183 transitions. [2024-12-02 11:03:48,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 87 transitions, 392 flow [2024-12-02 11:03:48,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 87 transitions, 381 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-12-02 11:03:48,849 INFO L231 Difference]: Finished difference. Result has 62 places, 50 transitions, 191 flow [2024-12-02 11:03:48,849 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=191, PETRI_PLACES=62, PETRI_TRANSITIONS=50} [2024-12-02 11:03:48,850 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 1 predicate places. [2024-12-02 11:03:48,850 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 50 transitions, 191 flow [2024-12-02 11:03:48,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:03:48,850 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:03:48,850 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] [2024-12-02 11:03:48,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 11:03:48,851 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:03:48,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:03:48,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1739290572, now seen corresponding path program 1 times [2024-12-02 11:03:48,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:03:48,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385051198] [2024-12-02 11:03:48,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:03:48,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:03:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:03:49,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:03:49,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:03:49,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385051198] [2024-12-02 11:03:49,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385051198] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:03:49,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:03:49,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:03:49,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128784786] [2024-12-02 11:03:49,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:03:49,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:03:49,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:03:49,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:03:49,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:03:49,060 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 54 [2024-12-02 11:03:49,060 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 50 transitions, 191 flow. Second operand has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:03:49,060 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:03:49,060 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 54 [2024-12-02 11:03:49,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:03:49,663 INFO L124 PetriNetUnfolderBase]: 2837/4315 cut-off events. [2024-12-02 11:03:49,663 INFO L125 PetriNetUnfolderBase]: For 3458/3458 co-relation queries the response was YES. [2024-12-02 11:03:49,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11301 conditions, 4315 events. 2837/4315 cut-off events. For 3458/3458 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 25010 event pairs, 115 based on Foata normal form. 172/4452 useless extension candidates. Maximal degree in co-relation 11289. Up to 1361 conditions per place. [2024-12-02 11:03:49,679 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 71 selfloop transitions, 14 changer transitions 1/102 dead transitions. [2024-12-02 11:03:49,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 102 transitions, 515 flow [2024-12-02 11:03:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:03:49,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-12-02 11:03:49,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 220 transitions. [2024-12-02 11:03:49,681 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6790123456790124 [2024-12-02 11:03:49,681 INFO L175 Difference]: Start difference. First operand has 62 places, 50 transitions, 191 flow. Second operand 6 states and 220 transitions. [2024-12-02 11:03:49,681 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 102 transitions, 515 flow [2024-12-02 11:03:49,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 102 transitions, 485 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-12-02 11:03:49,688 INFO L231 Difference]: Finished difference. Result has 65 places, 54 transitions, 241 flow [2024-12-02 11:03:49,689 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=241, PETRI_PLACES=65, PETRI_TRANSITIONS=54} [2024-12-02 11:03:49,689 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 4 predicate places. [2024-12-02 11:03:49,689 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 54 transitions, 241 flow [2024-12-02 11:03:49,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:03:49,690 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:03:49,690 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] [2024-12-02 11:03:49,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 11:03:49,690 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:03:49,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:03:49,691 INFO L85 PathProgramCache]: Analyzing trace with hash 174881721, now seen corresponding path program 1 times [2024-12-02 11:03:49,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:03:49,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349810574] [2024-12-02 11:03:49,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:03:49,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:03:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:03:49,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:03:49,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:03:49,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349810574] [2024-12-02 11:03:49,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349810574] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:03:49,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:03:49,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 11:03:49,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325572603] [2024-12-02 11:03:49,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:03:49,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:03:49,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:03:49,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:03:49,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:03:49,977 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 54 [2024-12-02 11:03:49,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 54 transitions, 241 flow. Second operand has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 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) [2024-12-02 11:03:49,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:03:49,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 54 [2024-12-02 11:03:49,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:03:51,056 INFO L124 PetriNetUnfolderBase]: 6196/10038 cut-off events. [2024-12-02 11:03:51,057 INFO L125 PetriNetUnfolderBase]: For 5488/6152 co-relation queries the response was YES. [2024-12-02 11:03:51,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23828 conditions, 10038 events. 6196/10038 cut-off events. For 5488/6152 co-relation queries the response was YES. Maximal size of possible extension queue 389. Compared 67394 event pairs, 1580 based on Foata normal form. 263/9884 useless extension candidates. Maximal degree in co-relation 23815. Up to 4140 conditions per place. [2024-12-02 11:03:51,115 INFO L140 encePairwiseOnDemand]: 45/54 looper letters, 76 selfloop transitions, 11 changer transitions 24/138 dead transitions. [2024-12-02 11:03:51,115 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 138 transitions, 673 flow [2024-12-02 11:03:51,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 11:03:51,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-12-02 11:03:51,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 272 transitions. [2024-12-02 11:03:51,117 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6296296296296297 [2024-12-02 11:03:51,117 INFO L175 Difference]: Start difference. First operand has 65 places, 54 transitions, 241 flow. Second operand 8 states and 272 transitions. [2024-12-02 11:03:51,117 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 138 transitions, 673 flow [2024-12-02 11:03:51,171 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 138 transitions, 626 flow, removed 11 selfloop flow, removed 5 redundant places. [2024-12-02 11:03:51,173 INFO L231 Difference]: Finished difference. Result has 72 places, 63 transitions, 270 flow [2024-12-02 11:03:51,173 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=270, PETRI_PLACES=72, PETRI_TRANSITIONS=63} [2024-12-02 11:03:51,174 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 11 predicate places. [2024-12-02 11:03:51,174 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 63 transitions, 270 flow [2024-12-02 11:03:51,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 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) [2024-12-02 11:03:51,174 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:03:51,174 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] [2024-12-02 11:03:51,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 11:03:51,175 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:03:51,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:03:51,176 INFO L85 PathProgramCache]: Analyzing trace with hash 827825327, now seen corresponding path program 2 times [2024-12-02 11:03:51,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:03:51,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961858103] [2024-12-02 11:03:51,176 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:03:51,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:03:51,209 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 11:03:51,209 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:03:51,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:03:51,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:03:51,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961858103] [2024-12-02 11:03:51,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961858103] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:03:51,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:03:51,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 11:03:51,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462689954] [2024-12-02 11:03:51,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:03:51,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:03:51,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:03:51,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:03:51,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:03:51,546 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 54 [2024-12-02 11:03:51,547 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 63 transitions, 270 flow. Second operand has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 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) [2024-12-02 11:03:51,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:03:51,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 54 [2024-12-02 11:03:51,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:03:52,826 INFO L124 PetriNetUnfolderBase]: 9062/14670 cut-off events. [2024-12-02 11:03:52,826 INFO L125 PetriNetUnfolderBase]: For 8130/8602 co-relation queries the response was YES. [2024-12-02 11:03:52,858 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36205 conditions, 14670 events. 9062/14670 cut-off events. For 8130/8602 co-relation queries the response was YES. Maximal size of possible extension queue 623. Compared 104913 event pairs, 2501 based on Foata normal form. 348/14396 useless extension candidates. Maximal degree in co-relation 36188. Up to 6960 conditions per place. [2024-12-02 11:03:52,879 INFO L140 encePairwiseOnDemand]: 44/54 looper letters, 74 selfloop transitions, 12 changer transitions 29/143 dead transitions. [2024-12-02 11:03:52,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 143 transitions, 763 flow [2024-12-02 11:03:52,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 11:03:52,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-12-02 11:03:52,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 269 transitions. [2024-12-02 11:03:52,881 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6226851851851852 [2024-12-02 11:03:52,881 INFO L175 Difference]: Start difference. First operand has 72 places, 63 transitions, 270 flow. Second operand 8 states and 269 transitions. [2024-12-02 11:03:52,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 143 transitions, 763 flow [2024-12-02 11:03:52,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 143 transitions, 749 flow, removed 7 selfloop flow, removed 2 redundant places. [2024-12-02 11:03:52,930 INFO L231 Difference]: Finished difference. Result has 79 places, 66 transitions, 313 flow [2024-12-02 11:03:52,930 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=313, PETRI_PLACES=79, PETRI_TRANSITIONS=66} [2024-12-02 11:03:52,930 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 18 predicate places. [2024-12-02 11:03:52,931 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 66 transitions, 313 flow [2024-12-02 11:03:52,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.857142857142858) internal successors, (160), 7 states have internal predecessors, (160), 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) [2024-12-02 11:03:52,931 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:03:52,931 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] [2024-12-02 11:03:52,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 11:03:52,931 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:03:52,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:03:52,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1542459897, now seen corresponding path program 3 times [2024-12-02 11:03:52,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:03:52,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244740564] [2024-12-02 11:03:52,932 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 11:03:52,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:03:52,973 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-02 11:03:52,973 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:03:53,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:03:53,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:03:53,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244740564] [2024-12-02 11:03:53,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244740564] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:03:53,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:03:53,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:03:53,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750821040] [2024-12-02 11:03:53,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:03:53,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:03:53,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:03:53,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:03:53,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:03:53,170 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 54 [2024-12-02 11:03:53,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 66 transitions, 313 flow. Second operand has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 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) [2024-12-02 11:03:53,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:03:53,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 54 [2024-12-02 11:03:53,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:03:54,454 INFO L124 PetriNetUnfolderBase]: 8151/11804 cut-off events. [2024-12-02 11:03:54,454 INFO L125 PetriNetUnfolderBase]: For 8886/9879 co-relation queries the response was YES. [2024-12-02 11:03:54,478 INFO L83 FinitePrefix]: Finished finitePrefix Result has 31211 conditions, 11804 events. 8151/11804 cut-off events. For 8886/9879 co-relation queries the response was YES. Maximal size of possible extension queue 661. Compared 72415 event pairs, 445 based on Foata normal form. 438/11835 useless extension candidates. Maximal degree in co-relation 31190. Up to 3964 conditions per place. [2024-12-02 11:03:54,489 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 55 selfloop transitions, 18 changer transitions 13/111 dead transitions. [2024-12-02 11:03:54,489 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 111 transitions, 590 flow [2024-12-02 11:03:54,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:03:54,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-12-02 11:03:54,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 239 transitions. [2024-12-02 11:03:54,491 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6322751322751323 [2024-12-02 11:03:54,491 INFO L175 Difference]: Start difference. First operand has 79 places, 66 transitions, 313 flow. Second operand 7 states and 239 transitions. [2024-12-02 11:03:54,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 111 transitions, 590 flow [2024-12-02 11:03:54,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 111 transitions, 579 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-12-02 11:03:54,580 INFO L231 Difference]: Finished difference. Result has 82 places, 64 transitions, 338 flow [2024-12-02 11:03:54,580 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=338, PETRI_PLACES=82, PETRI_TRANSITIONS=64} [2024-12-02 11:03:54,580 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 21 predicate places. [2024-12-02 11:03:54,580 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 64 transitions, 338 flow [2024-12-02 11:03:54,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.714285714285715) internal successors, (173), 7 states have internal predecessors, (173), 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) [2024-12-02 11:03:54,580 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:03:54,580 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:03:54,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 11:03:54,581 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:03:54,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:03:54,581 INFO L85 PathProgramCache]: Analyzing trace with hash -466645932, now seen corresponding path program 1 times [2024-12-02 11:03:54,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:03:54,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590921212] [2024-12-02 11:03:54,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:03:54,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:03:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:03:55,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:03:55,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:03:55,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590921212] [2024-12-02 11:03:55,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590921212] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:03:55,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:03:55,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 11:03:55,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925362822] [2024-12-02 11:03:55,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:03:55,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:03:55,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:03:55,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:03:55,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:03:55,373 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 54 [2024-12-02 11:03:55,374 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 64 transitions, 338 flow. Second operand has 7 states, 7 states have (on average 27.571428571428573) internal successors, (193), 7 states have internal predecessors, (193), 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) [2024-12-02 11:03:55,374 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:03:55,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 54 [2024-12-02 11:03:55,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:03:56,668 INFO L124 PetriNetUnfolderBase]: 8200/14415 cut-off events. [2024-12-02 11:03:56,669 INFO L125 PetriNetUnfolderBase]: For 15501/16105 co-relation queries the response was YES. [2024-12-02 11:03:56,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38923 conditions, 14415 events. 8200/14415 cut-off events. For 15501/16105 co-relation queries the response was YES. Maximal size of possible extension queue 997. Compared 122797 event pairs, 2824 based on Foata normal form. 46/13003 useless extension candidates. Maximal degree in co-relation 38901. Up to 4475 conditions per place. [2024-12-02 11:03:56,727 INFO L140 encePairwiseOnDemand]: 46/54 looper letters, 47 selfloop transitions, 8 changer transitions 14/111 dead transitions. [2024-12-02 11:03:56,727 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 111 transitions, 614 flow [2024-12-02 11:03:56,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 11:03:56,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-12-02 11:03:56,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 270 transitions. [2024-12-02 11:03:56,729 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.625 [2024-12-02 11:03:56,729 INFO L175 Difference]: Start difference. First operand has 82 places, 64 transitions, 338 flow. Second operand 8 states and 270 transitions. [2024-12-02 11:03:56,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 111 transitions, 614 flow [2024-12-02 11:03:56,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 111 transitions, 567 flow, removed 12 selfloop flow, removed 4 redundant places. [2024-12-02 11:03:56,887 INFO L231 Difference]: Finished difference. Result has 91 places, 71 transitions, 352 flow [2024-12-02 11:03:56,887 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=291, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=352, PETRI_PLACES=91, PETRI_TRANSITIONS=71} [2024-12-02 11:03:56,888 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 30 predicate places. [2024-12-02 11:03:56,888 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 71 transitions, 352 flow [2024-12-02 11:03:56,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.571428571428573) internal successors, (193), 7 states have internal predecessors, (193), 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) [2024-12-02 11:03:56,888 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:03:56,888 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:03:56,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 11:03:56,888 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:03:56,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:03:56,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1283573814, now seen corresponding path program 2 times [2024-12-02 11:03:56,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:03:56,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971207020] [2024-12-02 11:03:56,889 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:03:56,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:03:56,961 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 11:03:56,961 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-12-02 11:03:56,961 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:03:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:03:57,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 11:03:57,069 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 11:03:57,070 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (7 of 8 remaining) [2024-12-02 11:03:57,071 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (6 of 8 remaining) [2024-12-02 11:03:57,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (5 of 8 remaining) [2024-12-02 11:03:57,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2024-12-02 11:03:57,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-12-02 11:03:57,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-12-02 11:03:57,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-12-02 11:03:57,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 8 remaining) [2024-12-02 11:03:57,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 11:03:57,073 INFO L422 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1] [2024-12-02 11:03:57,159 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 11:03:57,159 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 11:03:57,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:03:57 BasicIcfg [2024-12-02 11:03:57,164 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 11:03:57,165 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:03:57,165 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:03:57,165 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:03:57,166 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:03:43" (3/4) ... [2024-12-02 11:03:57,168 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 11:03:57,168 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:03:57,169 INFO L158 Benchmark]: Toolchain (without parser) took 14727.24ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 91.7MB in the beginning and 432.4MB in the end (delta: -340.8MB). Peak memory consumption was 788.4MB. Max. memory is 16.1GB. [2024-12-02 11:03:57,170 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:03:57,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.31ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 68.2MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 11:03:57,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.68ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 66.0MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:03:57,170 INFO L158 Benchmark]: Boogie Preprocessor took 39.34ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 62.9MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:03:57,171 INFO L158 Benchmark]: RCFGBuilder took 644.99ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 64.8MB in the end (delta: -1.8MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-12-02 11:03:57,171 INFO L158 Benchmark]: TraceAbstraction took 13581.87ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 64.3MB in the beginning and 432.6MB in the end (delta: -368.3MB). Peak memory consumption was 749.4MB. Max. memory is 16.1GB. [2024-12-02 11:03:57,171 INFO L158 Benchmark]: Witness Printer took 3.71ms. Allocated memory is still 1.2GB. Free memory was 432.6MB in the beginning and 432.4MB in the end (delta: 154.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:03:57,173 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.31ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 68.2MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.68ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 66.0MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.34ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 62.9MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 644.99ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 64.8MB in the end (delta: -1.8MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * TraceAbstraction took 13581.87ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 64.3MB in the beginning and 432.6MB in the end (delta: -368.3MB). Peak memory consumption was 749.4MB. Max. memory is 16.1GB. * Witness Printer took 3.71ms. Allocated memory is still 1.2GB. Free memory was 432.6MB in the beginning and 432.4MB in the end (delta: 154.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p3_EAX = 0; [L720] 0 int __unbuffered_p3_EBX = 0; [L722] 0 int a = 0; [L723] 0 _Bool main$tmp_guard0; [L724] 0 _Bool main$tmp_guard1; [L726] 0 int x = 0; [L728] 0 int y = 0; [L729] 0 _Bool y$flush_delayed; [L730] 0 int y$mem_tmp; [L731] 0 _Bool y$r_buff0_thd0; [L732] 0 _Bool y$r_buff0_thd1; [L733] 0 _Bool y$r_buff0_thd2; [L734] 0 _Bool y$r_buff0_thd3; [L735] 0 _Bool y$r_buff0_thd4; [L736] 0 _Bool y$r_buff1_thd0; [L737] 0 _Bool y$r_buff1_thd1; [L738] 0 _Bool y$r_buff1_thd2; [L739] 0 _Bool y$r_buff1_thd3; [L740] 0 _Bool y$r_buff1_thd4; [L741] 0 _Bool y$read_delayed; [L742] 0 int *y$read_delayed_var; [L743] 0 int y$w_buff0; [L744] 0 _Bool y$w_buff0_used; [L745] 0 int y$w_buff1; [L746] 0 _Bool y$w_buff1_used; [L748] 0 int z = 0; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L858] 0 pthread_t t437; [L859] FCALL, FORK 0 pthread_create(&t437, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t437=-3, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L860] 0 pthread_t t438; [L861] FCALL, FORK 0 pthread_create(&t438, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t437=-3, t438=-2, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L862] 0 pthread_t t439; [L863] FCALL, FORK 0 pthread_create(&t439, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t437=-3, t438=-2, t439=-1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L864] 0 pthread_t t440; [L865] FCALL, FORK 0 pthread_create(&t440, ((void *)0), P3, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t437=-3, t438=-2, t439=-1, t440=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L797] 3 y$w_buff1 = y$w_buff0 [L798] 3 y$w_buff0 = 1 [L799] 3 y$w_buff1_used = y$w_buff0_used [L800] 3 y$w_buff0_used = (_Bool)1 [L801] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L801] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L802] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L803] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L804] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L805] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L806] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L807] 3 y$r_buff0_thd3 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L810] 3 __unbuffered_p2_EAX = z VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L827] 4 z = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L830] 4 __unbuffered_p3_EAX = z VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L833] 4 __unbuffered_p3_EBX = a VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L754] 1 a = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L757] 1 __unbuffered_p0_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L762] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L769] 2 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L772] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L773] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L774] 2 y$flush_delayed = weak$$choice2 [L775] 2 y$mem_tmp = y [L776] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L777] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L778] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L779] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L780] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L782] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 __unbuffered_p1_EAX = y [L784] 2 y = y$flush_delayed ? y$mem_tmp : y [L785] 2 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L790] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L813] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L814] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L815] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L816] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L817] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L836] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L837] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L838] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L839] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L840] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L820] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L843] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L867] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t437=-3, t438=-2, t439=-1, t440=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L869] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L869] RET 0 assume_abort_if_not(main$tmp_guard0) [L871] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L872] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L873] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L874] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L875] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t437=-3, t438=-2, t439=-1, t440=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L878] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t437=-3, t438=-2, t439=-1, t440=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L880] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L17] 0 __assert_fail ("0", "mix017_power.opt_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 856]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 861]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 859]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 865]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 863]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 87 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 13.4s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 686 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 648 mSDsluCounter, 176 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 117 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1399 IncrementalHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 59 mSDtfsCounter, 1399 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=352occurred in iteration=10, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 240 ConstructedInterpolants, 0 QuantifiedInterpolants, 1142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 11:03:57,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix017_power.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1 --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 c394bf0b454616c76d3ba114fe7f9b161b2a3a1a85dec23beec05d3a021c1c91 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:03:59,224 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:03:59,306 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-12-02 11:03:59,312 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:03:59,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:03:59,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:03:59,336 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:03:59,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:03:59,336 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:03:59,336 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:03:59,337 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:03:59,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:03:59,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:03:59,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:03:59,337 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:03:59,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:03:59,337 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:03:59,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:03:59,338 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:03:59,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:03:59,338 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-02 11:03:59,338 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-02 11:03:59,338 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-02 11:03:59,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:03:59,338 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 11:03:59,338 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 11:03:59,338 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 11:03:59,338 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 11:03:59,338 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:03:59,338 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:03:59,338 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:03:59,339 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:03:59,339 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:03:59,339 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:03:59,339 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:03:59,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:03:59,340 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:03:59,340 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:03:59,340 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:03:59,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:03:59,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:03:59,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:03:59,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:03:59,340 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 11:03:59,340 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 11:03:59,340 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:03:59,340 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:03:59,341 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:03:59,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:03:59,341 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_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1 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 -> c394bf0b454616c76d3ba114fe7f9b161b2a3a1a85dec23beec05d3a021c1c91 [2024-12-02 11:03:59,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:03:59,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:03:59,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:03:59,568 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:03:59,569 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:03:59,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread-wmm/mix017_power.opt_rmo.opt.i [2024-12-02 11:04:02,268 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/data/b1ae7f74b/f217a156536247c2812b69d711cdc605/FLAG47bbe05d7 [2024-12-02 11:04:02,481 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:04:02,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/sv-benchmarks/c/pthread-wmm/mix017_power.opt_rmo.opt.i [2024-12-02 11:04:02,492 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/data/b1ae7f74b/f217a156536247c2812b69d711cdc605/FLAG47bbe05d7 [2024-12-02 11:04:02,503 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/data/b1ae7f74b/f217a156536247c2812b69d711cdc605 [2024-12-02 11:04:02,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:04:02,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:04:02,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:04:02,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:04:02,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:04:02,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:04:02" (1/1) ... [2024-12-02 11:04:02,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62f8c430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:02, skipping insertion in model container [2024-12-02 11:04:02,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:04:02" (1/1) ... [2024-12-02 11:04:02,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:04:02,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:04:02,828 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:04:02,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:04:02,920 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:04:02,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:02 WrapperNode [2024-12-02 11:04:02,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:04:02,921 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:04:02,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:04:02,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:04:02,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:02" (1/1) ... [2024-12-02 11:04:02,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:02" (1/1) ... [2024-12-02 11:04:02,966 INFO L138 Inliner]: procedures = 177, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 134 [2024-12-02 11:04:02,966 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:04:02,967 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:04:02,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:04:02,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:04:02,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:02" (1/1) ... [2024-12-02 11:04:02,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:02" (1/1) ... [2024-12-02 11:04:02,978 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:02" (1/1) ... [2024-12-02 11:04:02,994 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]. [2024-12-02 11:04:02,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:02" (1/1) ... [2024-12-02 11:04:02,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:02" (1/1) ... [2024-12-02 11:04:03,004 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:02" (1/1) ... [2024-12-02 11:04:03,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:02" (1/1) ... [2024-12-02 11:04:03,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:02" (1/1) ... [2024-12-02 11:04:03,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:02" (1/1) ... [2024-12-02 11:04:03,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:02" (1/1) ... [2024-12-02 11:04:03,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:04:03,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:04:03,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:04:03,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:04:03,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:02" (1/1) ... [2024-12-02 11:04:03,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:04:03,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:04:03,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:04:03,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:04:03,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-02 11:04:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:04:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 11:04:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-02 11:04:03,085 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-02 11:04:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-02 11:04:03,085 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-02 11:04:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-02 11:04:03,085 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-02 11:04:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-12-02 11:04:03,085 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-12-02 11:04:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-02 11:04:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:04:03,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:04:03,087 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 11:04:03,211 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:04:03,213 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:04:03,515 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 11:04:03,515 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:04:03,696 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:04:03,696 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 11:04:03,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:04:03 BoogieIcfgContainer [2024-12-02 11:04:03,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:04:03,698 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:04:03,698 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:04:03,702 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:04:03,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:04:02" (1/3) ... [2024-12-02 11:04:03,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff302c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:04:03, skipping insertion in model container [2024-12-02 11:04:03,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:04:02" (2/3) ... [2024-12-02 11:04:03,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff302c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:04:03, skipping insertion in model container [2024-12-02 11:04:03,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:04:03" (3/3) ... [2024-12-02 11:04:03,704 INFO L128 eAbstractionObserver]: Analyzing ICFG mix017_power.opt_rmo.opt.i [2024-12-02 11:04:03,714 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:04:03,715 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix017_power.opt_rmo.opt.i that has 5 procedures, 53 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-12-02 11:04:03,716 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 11:04:03,777 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-02 11:04:03,805 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 65 places, 54 transitions, 124 flow [2024-12-02 11:04:03,837 INFO L124 PetriNetUnfolderBase]: 2/50 cut-off events. [2024-12-02 11:04:03,839 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 11:04:03,841 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 50 events. 2/50 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 106 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2024-12-02 11:04:03,841 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 54 transitions, 124 flow [2024-12-02 11:04:03,844 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 61 places, 50 transitions, 112 flow [2024-12-02 11:04:03,850 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:04:03,860 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;@68e48065, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:04:03,860 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-12-02 11:04:03,867 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 11:04:03,867 INFO L124 PetriNetUnfolderBase]: 0/17 cut-off events. [2024-12-02 11:04:03,867 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 11:04:03,867 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:04:03,868 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:04:03,868 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:04:03,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:04:03,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1008677665, now seen corresponding path program 1 times [2024-12-02 11:04:03,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:04:03,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1655690332] [2024-12-02 11:04:03,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:04:03,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:03,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:04:03,884 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:04:03,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 11:04:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:04:03,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 11:04:04,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:04:04,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:04:04,048 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:04:04,049 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:04:04,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655690332] [2024-12-02 11:04:04,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655690332] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:04:04,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:04:04,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 11:04:04,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806607224] [2024-12-02 11:04:04,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:04:04,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:04:04,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:04:04,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:04:04,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:04:04,083 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 54 [2024-12-02 11:04:04,086 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2024-12-02 11:04:04,086 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:04:04,086 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 54 [2024-12-02 11:04:04,087 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:04:04,737 INFO L124 PetriNetUnfolderBase]: 1525/2635 cut-off events. [2024-12-02 11:04:04,737 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-12-02 11:04:04,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4873 conditions, 2635 events. 1525/2635 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 19155 event pairs, 277 based on Foata normal form. 144/2731 useless extension candidates. Maximal degree in co-relation 4861. Up to 1717 conditions per place. [2024-12-02 11:04:04,759 INFO L140 encePairwiseOnDemand]: 49/54 looper letters, 33 selfloop transitions, 2 changer transitions 2/60 dead transitions. [2024-12-02 11:04:04,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 60 transitions, 209 flow [2024-12-02 11:04:04,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:04:04,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:04:04,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 123 transitions. [2024-12-02 11:04:04,772 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7592592592592593 [2024-12-02 11:04:04,773 INFO L175 Difference]: Start difference. First operand has 61 places, 50 transitions, 112 flow. Second operand 3 states and 123 transitions. [2024-12-02 11:04:04,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 60 transitions, 209 flow [2024-12-02 11:04:04,779 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 60 transitions, 204 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-12-02 11:04:04,782 INFO L231 Difference]: Finished difference. Result has 57 places, 45 transitions, 102 flow [2024-12-02 11:04:04,784 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=102, PETRI_PLACES=57, PETRI_TRANSITIONS=45} [2024-12-02 11:04:04,788 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -4 predicate places. [2024-12-02 11:04:04,788 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 45 transitions, 102 flow [2024-12-02 11:04:04,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2024-12-02 11:04:04,788 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:04:04,789 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:04:04,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 11:04:04,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:04,989 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:04:04,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:04:04,990 INFO L85 PathProgramCache]: Analyzing trace with hash -966783264, now seen corresponding path program 1 times [2024-12-02 11:04:04,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:04:04,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1214559004] [2024-12-02 11:04:04,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:04:04,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:04,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:04:04,993 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:04:04,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 11:04:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:04:05,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 11:04:05,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:04:05,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:04:05,129 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:04:05,129 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:04:05,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214559004] [2024-12-02 11:04:05,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214559004] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:04:05,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:04:05,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 11:04:05,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158727871] [2024-12-02 11:04:05,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:04:05,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:04:05,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:04:05,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:04:05,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:04:05,131 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 26 out of 54 [2024-12-02 11:04:05,132 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 45 transitions, 102 flow. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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) [2024-12-02 11:04:05,132 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:04:05,132 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 26 of 54 [2024-12-02 11:04:05,132 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:04:05,563 INFO L124 PetriNetUnfolderBase]: 1339/2419 cut-off events. [2024-12-02 11:04:05,563 INFO L125 PetriNetUnfolderBase]: For 138/138 co-relation queries the response was YES. [2024-12-02 11:04:05,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4535 conditions, 2419 events. 1339/2419 cut-off events. For 138/138 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 18269 event pairs, 1339 based on Foata normal form. 72/2389 useless extension candidates. Maximal degree in co-relation 4525. Up to 1908 conditions per place. [2024-12-02 11:04:05,584 INFO L140 encePairwiseOnDemand]: 52/54 looper letters, 20 selfloop transitions, 1 changer transitions 1/44 dead transitions. [2024-12-02 11:04:05,584 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 44 transitions, 144 flow [2024-12-02 11:04:05,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:04:05,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:04:05,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 101 transitions. [2024-12-02 11:04:05,586 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6234567901234568 [2024-12-02 11:04:05,586 INFO L175 Difference]: Start difference. First operand has 57 places, 45 transitions, 102 flow. Second operand 3 states and 101 transitions. [2024-12-02 11:04:05,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 44 transitions, 144 flow [2024-12-02 11:04:05,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 44 transitions, 140 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 11:04:05,589 INFO L231 Difference]: Finished difference. Result has 55 places, 43 transitions, 96 flow [2024-12-02 11:04:05,589 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=96, PETRI_PLACES=55, PETRI_TRANSITIONS=43} [2024-12-02 11:04:05,590 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -6 predicate places. [2024-12-02 11:04:05,590 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 43 transitions, 96 flow [2024-12-02 11:04:05,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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) [2024-12-02 11:04:05,590 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:04:05,591 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:04:05,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 11:04:05,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:05,791 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:04:05,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:04:05,792 INFO L85 PathProgramCache]: Analyzing trace with hash -966782036, now seen corresponding path program 1 times [2024-12-02 11:04:05,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:04:05,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1638783289] [2024-12-02 11:04:05,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:04:05,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:05,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:04:05,794 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:04:05,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 11:04:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:04:05,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 11:04:05,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:04:05,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:04:05,923 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:04:05,923 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:04:05,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638783289] [2024-12-02 11:04:05,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638783289] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:04:05,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:04:05,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:04:05,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586621240] [2024-12-02 11:04:05,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:04:05,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:04:05,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:04:05,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:04:05,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:04:05,937 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 54 [2024-12-02 11:04:05,938 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 43 transitions, 96 flow. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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) [2024-12-02 11:04:05,938 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:04:05,938 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 54 [2024-12-02 11:04:05,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:04:06,973 INFO L124 PetriNetUnfolderBase]: 5293/8251 cut-off events. [2024-12-02 11:04:06,973 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 11:04:06,986 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15711 conditions, 8251 events. 5293/8251 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 529. Compared 58471 event pairs, 663 based on Foata normal form. 240/8443 useless extension candidates. Maximal degree in co-relation 15705. Up to 4461 conditions per place. [2024-12-02 11:04:07,013 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 47 selfloop transitions, 6 changer transitions 1/71 dead transitions. [2024-12-02 11:04:07,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 71 transitions, 266 flow [2024-12-02 11:04:07,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:04:07,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 11:04:07,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 144 transitions. [2024-12-02 11:04:07,015 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-12-02 11:04:07,015 INFO L175 Difference]: Start difference. First operand has 55 places, 43 transitions, 96 flow. Second operand 4 states and 144 transitions. [2024-12-02 11:04:07,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 71 transitions, 266 flow [2024-12-02 11:04:07,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 71 transitions, 265 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 11:04:07,018 INFO L231 Difference]: Finished difference. Result has 58 places, 47 transitions, 137 flow [2024-12-02 11:04:07,018 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=137, PETRI_PLACES=58, PETRI_TRANSITIONS=47} [2024-12-02 11:04:07,019 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, -3 predicate places. [2024-12-02 11:04:07,019 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 47 transitions, 137 flow [2024-12-02 11:04:07,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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) [2024-12-02 11:04:07,020 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:04:07,020 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] [2024-12-02 11:04:07,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 11:04:07,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:07,220 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:04:07,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:04:07,221 INFO L85 PathProgramCache]: Analyzing trace with hash 847871419, now seen corresponding path program 1 times [2024-12-02 11:04:07,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:04:07,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [229513874] [2024-12-02 11:04:07,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:04:07,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:07,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:04:07,224 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:04:07,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 11:04:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:04:07,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 11:04:07,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:04:07,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:04:07,366 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:04:07,366 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:04:07,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229513874] [2024-12-02 11:04:07,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229513874] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:04:07,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:04:07,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:04:07,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250334024] [2024-12-02 11:04:07,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:04:07,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:04:07,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:04:07,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:04:07,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:04:07,386 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 54 [2024-12-02 11:04:07,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 47 transitions, 137 flow. Second operand has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 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) [2024-12-02 11:04:07,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:04:07,387 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 54 [2024-12-02 11:04:07,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:04:08,204 INFO L124 PetriNetUnfolderBase]: 4321/6763 cut-off events. [2024-12-02 11:04:08,204 INFO L125 PetriNetUnfolderBase]: For 1732/1732 co-relation queries the response was YES. [2024-12-02 11:04:08,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15314 conditions, 6763 events. 4321/6763 cut-off events. For 1732/1732 co-relation queries the response was YES. Maximal size of possible extension queue 444. Compared 45934 event pairs, 249 based on Foata normal form. 228/6951 useless extension candidates. Maximal degree in co-relation 15305. Up to 3201 conditions per place. [2024-12-02 11:04:08,237 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 60 selfloop transitions, 10 changer transitions 1/88 dead transitions. [2024-12-02 11:04:08,237 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 88 transitions, 390 flow [2024-12-02 11:04:08,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:04:08,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 11:04:08,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 183 transitions. [2024-12-02 11:04:08,239 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6777777777777778 [2024-12-02 11:04:08,239 INFO L175 Difference]: Start difference. First operand has 58 places, 47 transitions, 137 flow. Second operand 5 states and 183 transitions. [2024-12-02 11:04:08,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 88 transitions, 390 flow [2024-12-02 11:04:08,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 88 transitions, 379 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-12-02 11:04:08,243 INFO L231 Difference]: Finished difference. Result has 62 places, 51 transitions, 189 flow [2024-12-02 11:04:08,243 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=189, PETRI_PLACES=62, PETRI_TRANSITIONS=51} [2024-12-02 11:04:08,244 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 1 predicate places. [2024-12-02 11:04:08,244 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 189 flow [2024-12-02 11:04:08,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 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) [2024-12-02 11:04:08,244 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:04:08,245 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:04:08,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 11:04:08,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:08,445 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:04:08,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:04:08,446 INFO L85 PathProgramCache]: Analyzing trace with hash -803823854, now seen corresponding path program 1 times [2024-12-02 11:04:08,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:04:08,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1114441635] [2024-12-02 11:04:08,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:04:08,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:08,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:04:08,447 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:04:08,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 11:04:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:04:08,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 11:04:08,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:04:08,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:04:08,616 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:04:08,616 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:04:08,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114441635] [2024-12-02 11:04:08,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114441635] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:04:08,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:04:08,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 11:04:08,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719492845] [2024-12-02 11:04:08,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:04:08,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:04:08,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:04:08,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:04:08,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:04:08,630 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 54 [2024-12-02 11:04:08,630 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 189 flow. Second operand has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:04:08,630 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:04:08,630 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 54 [2024-12-02 11:04:08,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:04:09,141 INFO L124 PetriNetUnfolderBase]: 2837/4395 cut-off events. [2024-12-02 11:04:09,141 INFO L125 PetriNetUnfolderBase]: For 3458/3458 co-relation queries the response was YES. [2024-12-02 11:04:09,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11294 conditions, 4395 events. 2837/4395 cut-off events. For 3458/3458 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 26295 event pairs, 115 based on Foata normal form. 172/4532 useless extension candidates. Maximal degree in co-relation 11283. Up to 1361 conditions per place. [2024-12-02 11:04:09,156 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 71 selfloop transitions, 14 changer transitions 1/103 dead transitions. [2024-12-02 11:04:09,156 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 103 transitions, 513 flow [2024-12-02 11:04:09,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 11:04:09,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-12-02 11:04:09,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 220 transitions. [2024-12-02 11:04:09,157 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6790123456790124 [2024-12-02 11:04:09,157 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 189 flow. Second operand 6 states and 220 transitions. [2024-12-02 11:04:09,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 103 transitions, 513 flow [2024-12-02 11:04:09,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 103 transitions, 483 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-12-02 11:04:09,168 INFO L231 Difference]: Finished difference. Result has 65 places, 55 transitions, 239 flow [2024-12-02 11:04:09,168 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=239, PETRI_PLACES=65, PETRI_TRANSITIONS=55} [2024-12-02 11:04:09,169 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 4 predicate places. [2024-12-02 11:04:09,169 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 55 transitions, 239 flow [2024-12-02 11:04:09,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:04:09,169 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:04:09,169 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:04:09,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-12-02 11:04:09,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:09,370 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:04:09,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:04:09,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1641751773, now seen corresponding path program 1 times [2024-12-02 11:04:09,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:04:09,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1420851756] [2024-12-02 11:04:09,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:04:09,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:09,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:04:09,372 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:04:09,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 11:04:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:04:09,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 11:04:09,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:04:09,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:04:09,530 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:04:09,530 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:04:09,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420851756] [2024-12-02 11:04:09,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420851756] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:04:09,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:04:09,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:04:09,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381119078] [2024-12-02 11:04:09,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:04:09,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:04:09,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:04:09,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:04:09,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:04:09,551 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 54 [2024-12-02 11:04:09,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 55 transitions, 239 flow. Second operand has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 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) [2024-12-02 11:04:09,551 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:04:09,551 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 54 [2024-12-02 11:04:09,551 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:04:10,051 INFO L124 PetriNetUnfolderBase]: 1825/2715 cut-off events. [2024-12-02 11:04:10,052 INFO L125 PetriNetUnfolderBase]: For 3792/3792 co-relation queries the response was YES. [2024-12-02 11:04:10,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7847 conditions, 2715 events. 1825/2715 cut-off events. For 3792/3792 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 13940 event pairs, 77 based on Foata normal form. 80/2760 useless extension candidates. Maximal degree in co-relation 7835. Up to 828 conditions per place. [2024-12-02 11:04:10,062 INFO L140 encePairwiseOnDemand]: 47/54 looper letters, 64 selfloop transitions, 18 changer transitions 1/100 dead transitions. [2024-12-02 11:04:10,063 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 100 transitions, 511 flow [2024-12-02 11:04:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:04:10,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-12-02 11:04:10,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 239 transitions. [2024-12-02 11:04:10,064 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6322751322751323 [2024-12-02 11:04:10,064 INFO L175 Difference]: Start difference. First operand has 65 places, 55 transitions, 239 flow. Second operand 7 states and 239 transitions. [2024-12-02 11:04:10,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 100 transitions, 511 flow [2024-12-02 11:04:10,076 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 100 transitions, 465 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-12-02 11:04:10,077 INFO L231 Difference]: Finished difference. Result has 68 places, 55 transitions, 249 flow [2024-12-02 11:04:10,077 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=249, PETRI_PLACES=68, PETRI_TRANSITIONS=55} [2024-12-02 11:04:10,077 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 7 predicate places. [2024-12-02 11:04:10,078 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 55 transitions, 249 flow [2024-12-02 11:04:10,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 7 states have internal predecessors, (174), 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) [2024-12-02 11:04:10,078 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:04:10,078 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:04:10,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 11:04:10,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:10,278 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:04:10,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:04:10,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1018909250, now seen corresponding path program 1 times [2024-12-02 11:04:10,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:04:10,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [677172131] [2024-12-02 11:04:10,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:04:10,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:10,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:04:10,281 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:04:10,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 11:04:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:04:10,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 11:04:10,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:04:10,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:04:10,601 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:04:10,601 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:04:10,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677172131] [2024-12-02 11:04:10,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677172131] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:04:10,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:04:10,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 11:04:10,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793618591] [2024-12-02 11:04:10,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:04:10,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 11:04:10,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:04:10,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 11:04:10,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:04:10,635 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 54 [2024-12-02 11:04:10,635 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 55 transitions, 249 flow. Second operand has 9 states, 9 states have (on average 21.77777777777778) internal successors, (196), 9 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:04:10,635 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:04:10,635 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 54 [2024-12-02 11:04:10,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:04:11,374 INFO L124 PetriNetUnfolderBase]: 4039/5894 cut-off events. [2024-12-02 11:04:11,375 INFO L125 PetriNetUnfolderBase]: For 6470/6542 co-relation queries the response was YES. [2024-12-02 11:04:11,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16321 conditions, 5894 events. 4039/5894 cut-off events. For 6470/6542 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 32575 event pairs, 929 based on Foata normal form. 64/5921 useless extension candidates. Maximal degree in co-relation 16308. Up to 3501 conditions per place. [2024-12-02 11:04:11,391 INFO L140 encePairwiseOnDemand]: 43/54 looper letters, 59 selfloop transitions, 9 changer transitions 48/130 dead transitions. [2024-12-02 11:04:11,391 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 130 transitions, 787 flow [2024-12-02 11:04:11,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 11:04:11,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-12-02 11:04:11,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 272 transitions. [2024-12-02 11:04:11,393 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5596707818930041 [2024-12-02 11:04:11,393 INFO L175 Difference]: Start difference. First operand has 68 places, 55 transitions, 249 flow. Second operand 9 states and 272 transitions. [2024-12-02 11:04:11,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 130 transitions, 787 flow [2024-12-02 11:04:11,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 130 transitions, 586 flow, removed 34 selfloop flow, removed 10 redundant places. [2024-12-02 11:04:11,443 INFO L231 Difference]: Finished difference. Result has 72 places, 59 transitions, 207 flow [2024-12-02 11:04:11,443 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=207, PETRI_PLACES=72, PETRI_TRANSITIONS=59} [2024-12-02 11:04:11,444 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 11 predicate places. [2024-12-02 11:04:11,444 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 59 transitions, 207 flow [2024-12-02 11:04:11,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.77777777777778) internal successors, (196), 9 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:04:11,444 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:04:11,444 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:04:11,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 11:04:11,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:11,645 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:04:11,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:04:11,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1793597662, now seen corresponding path program 2 times [2024-12-02 11:04:11,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:04:11,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1130088872] [2024-12-02 11:04:11,646 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:04:11,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:11,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:04:11,647 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:04:11,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 11:04:11,728 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 11:04:11,728 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:04:11,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 11:04:11,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:04:11,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:04:11,873 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:04:11,873 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:04:11,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130088872] [2024-12-02 11:04:11,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130088872] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:04:11,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:04:11,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 11:04:11,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866159687] [2024-12-02 11:04:11,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:04:11,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 11:04:11,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:04:11,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 11:04:11,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:04:11,897 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 54 [2024-12-02 11:04:11,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 59 transitions, 207 flow. Second operand has 9 states, 9 states have (on average 21.77777777777778) internal successors, (196), 9 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:04:11,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:04:11,898 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 54 [2024-12-02 11:04:11,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:04:12,742 INFO L124 PetriNetUnfolderBase]: 5398/7919 cut-off events. [2024-12-02 11:04:12,742 INFO L125 PetriNetUnfolderBase]: For 1933/1987 co-relation queries the response was YES. [2024-12-02 11:04:12,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18749 conditions, 7919 events. 5398/7919 cut-off events. For 1933/1987 co-relation queries the response was YES. Maximal size of possible extension queue 324. Compared 44480 event pairs, 1144 based on Foata normal form. 22/7791 useless extension candidates. Maximal degree in co-relation 18735. Up to 4523 conditions per place. [2024-12-02 11:04:12,789 INFO L140 encePairwiseOnDemand]: 43/54 looper letters, 56 selfloop transitions, 14 changer transitions 56/141 dead transitions. [2024-12-02 11:04:12,789 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 141 transitions, 717 flow [2024-12-02 11:04:12,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 11:04:12,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-12-02 11:04:12,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 277 transitions. [2024-12-02 11:04:12,791 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5699588477366255 [2024-12-02 11:04:12,791 INFO L175 Difference]: Start difference. First operand has 72 places, 59 transitions, 207 flow. Second operand 9 states and 277 transitions. [2024-12-02 11:04:12,792 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 141 transitions, 717 flow [2024-12-02 11:04:12,794 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 141 transitions, 669 flow, removed 7 selfloop flow, removed 6 redundant places. [2024-12-02 11:04:12,797 INFO L231 Difference]: Finished difference. Result has 75 places, 65 transitions, 265 flow [2024-12-02 11:04:12,797 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=265, PETRI_PLACES=75, PETRI_TRANSITIONS=65} [2024-12-02 11:04:12,798 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 14 predicate places. [2024-12-02 11:04:12,798 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 65 transitions, 265 flow [2024-12-02 11:04:12,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.77777777777778) internal successors, (196), 9 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:04:12,798 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:04:12,798 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:04:12,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-12-02 11:04:12,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:12,999 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:04:12,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:04:12,999 INFO L85 PathProgramCache]: Analyzing trace with hash -838010850, now seen corresponding path program 3 times [2024-12-02 11:04:13,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:04:13,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1924191361] [2024-12-02 11:04:13,000 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 11:04:13,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:13,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:04:13,002 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:04:13,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 11:04:13,095 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-02 11:04:13,095 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:04:13,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 11:04:13,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:04:13,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:04:13,476 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:04:13,476 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:04:13,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924191361] [2024-12-02 11:04:13,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924191361] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:04:13,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:04:13,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 11:04:13,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083169947] [2024-12-02 11:04:13,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:04:13,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 11:04:13,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:04:13,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 11:04:13,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-02 11:04:13,506 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 54 [2024-12-02 11:04:13,506 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 65 transitions, 265 flow. Second operand has 10 states, 10 states have (on average 26.9) internal successors, (269), 10 states have internal predecessors, (269), 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) [2024-12-02 11:04:13,506 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:04:13,506 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 54 [2024-12-02 11:04:13,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:04:14,020 INFO L124 PetriNetUnfolderBase]: 2200/3970 cut-off events. [2024-12-02 11:04:14,020 INFO L125 PetriNetUnfolderBase]: For 218/224 co-relation queries the response was YES. [2024-12-02 11:04:14,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8185 conditions, 3970 events. 2200/3970 cut-off events. For 218/224 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 27583 event pairs, 425 based on Foata normal form. 16/3618 useless extension candidates. Maximal degree in co-relation 8169. Up to 1015 conditions per place. [2024-12-02 11:04:14,037 INFO L140 encePairwiseOnDemand]: 45/54 looper letters, 43 selfloop transitions, 5 changer transitions 21/111 dead transitions. [2024-12-02 11:04:14,037 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 111 transitions, 508 flow [2024-12-02 11:04:14,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 11:04:14,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-12-02 11:04:14,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 320 transitions. [2024-12-02 11:04:14,039 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5925925925925926 [2024-12-02 11:04:14,039 INFO L175 Difference]: Start difference. First operand has 75 places, 65 transitions, 265 flow. Second operand 10 states and 320 transitions. [2024-12-02 11:04:14,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 111 transitions, 508 flow [2024-12-02 11:04:14,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 111 transitions, 481 flow, removed 7 selfloop flow, removed 5 redundant places. [2024-12-02 11:04:14,042 INFO L231 Difference]: Finished difference. Result has 79 places, 66 transitions, 270 flow [2024-12-02 11:04:14,042 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=270, PETRI_PLACES=79, PETRI_TRANSITIONS=66} [2024-12-02 11:04:14,043 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 18 predicate places. [2024-12-02 11:04:14,043 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 66 transitions, 270 flow [2024-12-02 11:04:14,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 26.9) internal successors, (269), 10 states have internal predecessors, (269), 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) [2024-12-02 11:04:14,043 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:04:14,043 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:04:14,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-02 11:04:14,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:14,244 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:04:14,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:04:14,244 INFO L85 PathProgramCache]: Analyzing trace with hash 2098233404, now seen corresponding path program 4 times [2024-12-02 11:04:14,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:04:14,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1234587191] [2024-12-02 11:04:14,245 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 11:04:14,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:14,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:04:14,246 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:04:14,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-02 11:04:14,321 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 11:04:14,321 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:04:14,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 11:04:14,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:04:14,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:04:14,397 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:04:14,397 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:04:14,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234587191] [2024-12-02 11:04:14,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234587191] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:04:14,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:04:14,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 11:04:14,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824376705] [2024-12-02 11:04:14,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:04:14,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 11:04:14,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:04:14,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 11:04:14,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 11:04:14,406 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 54 [2024-12-02 11:04:14,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 66 transitions, 270 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) [2024-12-02 11:04:14,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:04:14,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 54 [2024-12-02 11:04:14,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:04:14,987 INFO L124 PetriNetUnfolderBase]: 3943/6873 cut-off events. [2024-12-02 11:04:14,987 INFO L125 PetriNetUnfolderBase]: For 2147/2191 co-relation queries the response was YES. [2024-12-02 11:04:15,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15478 conditions, 6873 events. 3943/6873 cut-off events. For 2147/2191 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 49376 event pairs, 1220 based on Foata normal form. 35/6354 useless extension candidates. Maximal degree in co-relation 15460. Up to 2841 conditions per place. [2024-12-02 11:04:15,011 INFO L140 encePairwiseOnDemand]: 48/54 looper letters, 36 selfloop transitions, 2 changer transitions 35/109 dead transitions. [2024-12-02 11:04:15,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 109 transitions, 532 flow [2024-12-02 11:04:15,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 11:04:15,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-12-02 11:04:15,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 229 transitions. [2024-12-02 11:04:15,012 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6058201058201058 [2024-12-02 11:04:15,012 INFO L175 Difference]: Start difference. First operand has 79 places, 66 transitions, 270 flow. Second operand 7 states and 229 transitions. [2024-12-02 11:04:15,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 109 transitions, 532 flow [2024-12-02 11:04:15,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 109 transitions, 509 flow, removed 5 selfloop flow, removed 6 redundant places. [2024-12-02 11:04:15,017 INFO L231 Difference]: Finished difference. Result has 80 places, 63 transitions, 253 flow [2024-12-02 11:04:15,017 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=253, PETRI_PLACES=80, PETRI_TRANSITIONS=63} [2024-12-02 11:04:15,017 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 19 predicate places. [2024-12-02 11:04:15,018 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 63 transitions, 253 flow [2024-12-02 11:04:15,018 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) [2024-12-02 11:04:15,018 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:04:15,018 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:04:15,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-02 11:04:15,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:15,218 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:04:15,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:04:15,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1990235016, now seen corresponding path program 5 times [2024-12-02 11:04:15,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:04:15,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1166715635] [2024-12-02 11:04:15,219 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-02 11:04:15,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:15,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:04:15,221 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:04:15,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-02 11:04:15,289 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 11:04:15,289 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:04:15,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 11:04:15,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:04:15,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:04:15,408 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:04:15,408 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:04:15,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166715635] [2024-12-02 11:04:15,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166715635] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:04:15,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:04:15,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 11:04:15,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898678778] [2024-12-02 11:04:15,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:04:15,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 11:04:15,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:04:15,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 11:04:15,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:04:15,429 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 54 [2024-12-02 11:04:15,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 63 transitions, 253 flow. Second operand has 9 states, 9 states have (on average 21.77777777777778) internal successors, (196), 9 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:04:15,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:04:15,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 54 [2024-12-02 11:04:15,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:04:16,325 INFO L124 PetriNetUnfolderBase]: 6325/9470 cut-off events. [2024-12-02 11:04:16,325 INFO L125 PetriNetUnfolderBase]: For 4039/4086 co-relation queries the response was YES. [2024-12-02 11:04:16,341 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23906 conditions, 9470 events. 6325/9470 cut-off events. For 4039/4086 co-relation queries the response was YES. Maximal size of possible extension queue 483. Compared 57015 event pairs, 1078 based on Foata normal form. 43/9466 useless extension candidates. Maximal degree in co-relation 23887. Up to 5024 conditions per place. [2024-12-02 11:04:16,347 INFO L140 encePairwiseOnDemand]: 43/54 looper letters, 48 selfloop transitions, 10 changer transitions 72/145 dead transitions. [2024-12-02 11:04:16,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 145 transitions, 774 flow [2024-12-02 11:04:16,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 11:04:16,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-12-02 11:04:16,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 275 transitions. [2024-12-02 11:04:16,349 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.565843621399177 [2024-12-02 11:04:16,349 INFO L175 Difference]: Start difference. First operand has 80 places, 63 transitions, 253 flow. Second operand 9 states and 275 transitions. [2024-12-02 11:04:16,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 145 transitions, 774 flow [2024-12-02 11:04:16,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 145 transitions, 751 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-12-02 11:04:16,356 INFO L231 Difference]: Finished difference. Result has 83 places, 60 transitions, 253 flow [2024-12-02 11:04:16,356 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=253, PETRI_PLACES=83, PETRI_TRANSITIONS=60} [2024-12-02 11:04:16,356 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 22 predicate places. [2024-12-02 11:04:16,356 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 60 transitions, 253 flow [2024-12-02 11:04:16,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.77777777777778) internal successors, (196), 9 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:04:16,356 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:04:16,357 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:04:16,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-02 11:04:16,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:16,557 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:04:16,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:04:16,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1789117632, now seen corresponding path program 6 times [2024-12-02 11:04:16,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:04:16,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [626873993] [2024-12-02 11:04:16,558 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-02 11:04:16,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:16,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:04:16,559 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:04:16,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-02 11:04:16,639 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-12-02 11:04:16,639 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 11:04:16,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-02 11:04:16,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 11:04:16,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:04:16,749 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 11:04:16,750 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 11:04:16,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626873993] [2024-12-02 11:04:16,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626873993] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:04:16,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:04:16,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 11:04:16,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115181648] [2024-12-02 11:04:16,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:04:16,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 11:04:16,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 11:04:16,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 11:04:16,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 11:04:16,775 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 54 [2024-12-02 11:04:16,776 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 60 transitions, 253 flow. Second operand has 9 states, 9 states have (on average 21.77777777777778) internal successors, (196), 9 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:04:16,776 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:04:16,776 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 54 [2024-12-02 11:04:16,776 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:04:17,518 INFO L124 PetriNetUnfolderBase]: 5213/8086 cut-off events. [2024-12-02 11:04:17,518 INFO L125 PetriNetUnfolderBase]: For 5483/5606 co-relation queries the response was YES. [2024-12-02 11:04:17,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20112 conditions, 8086 events. 5213/8086 cut-off events. For 5483/5606 co-relation queries the response was YES. Maximal size of possible extension queue 391. Compared 49460 event pairs, 1389 based on Foata normal form. 31/7997 useless extension candidates. Maximal degree in co-relation 20092. Up to 4969 conditions per place. [2024-12-02 11:04:17,543 INFO L140 encePairwiseOnDemand]: 43/54 looper letters, 44 selfloop transitions, 9 changer transitions 61/130 dead transitions. [2024-12-02 11:04:17,543 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 130 transitions, 758 flow [2024-12-02 11:04:17,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 11:04:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-12-02 11:04:17,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 263 transitions. [2024-12-02 11:04:17,544 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5411522633744856 [2024-12-02 11:04:17,544 INFO L175 Difference]: Start difference. First operand has 83 places, 60 transitions, 253 flow. Second operand 9 states and 263 transitions. [2024-12-02 11:04:17,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 130 transitions, 758 flow [2024-12-02 11:04:17,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 130 transitions, 706 flow, removed 10 selfloop flow, removed 9 redundant places. [2024-12-02 11:04:17,548 INFO L231 Difference]: Finished difference. Result has 82 places, 60 transitions, 262 flow [2024-12-02 11:04:17,548 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=54, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=262, PETRI_PLACES=82, PETRI_TRANSITIONS=60} [2024-12-02 11:04:17,549 INFO L279 CegarLoopForPetriNet]: 61 programPoint places, 21 predicate places. [2024-12-02 11:04:17,549 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 60 transitions, 262 flow [2024-12-02 11:04:17,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 21.77777777777778) internal successors, (196), 9 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:04:17,549 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:04:17,549 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:04:17,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-02 11:04:17,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:17,750 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-12-02 11:04:17,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:04:17,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1725614962, now seen corresponding path program 7 times [2024-12-02 11:04:17,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 11:04:17,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [906135582] [2024-12-02 11:04:17,751 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-02 11:04:17,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:17,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:04:17,752 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 11:04:17,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-02 11:04:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:04:17,820 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:04:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:04:17,909 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-02 11:04:17,909 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 11:04:17,910 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (7 of 8 remaining) [2024-12-02 11:04:17,912 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (6 of 8 remaining) [2024-12-02 11:04:17,912 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (5 of 8 remaining) [2024-12-02 11:04:17,912 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2024-12-02 11:04:17,912 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-12-02 11:04:17,912 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-12-02 11:04:17,912 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-12-02 11:04:17,912 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 8 remaining) [2024-12-02 11:04:17,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-12-02 11:04:18,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 11:04:18,113 INFO L422 BasicCegarLoop]: Path program histogram: [7, 1, 1, 1, 1, 1, 1] [2024-12-02 11:04:18,186 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 11:04:18,186 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 11:04:18,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:04:18 BasicIcfg [2024-12-02 11:04:18,191 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 11:04:18,192 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:04:18,192 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:04:18,192 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:04:18,193 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:04:03" (3/4) ... [2024-12-02 11:04:18,194 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 11:04:18,195 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:04:18,196 INFO L158 Benchmark]: Toolchain (without parser) took 15689.94ms. Allocated memory was 92.3MB in the beginning and 578.8MB in the end (delta: 486.5MB). Free memory was 69.1MB in the beginning and 223.4MB in the end (delta: -154.4MB). Peak memory consumption was 332.1MB. Max. memory is 16.1GB. [2024-12-02 11:04:18,196 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:04:18,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.64ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 45.4MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 11:04:18,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.10ms. Allocated memory is still 92.3MB. Free memory was 45.4MB in the beginning and 43.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:04:18,197 INFO L158 Benchmark]: Boogie Preprocessor took 47.29ms. Allocated memory is still 92.3MB. Free memory was 43.1MB in the beginning and 40.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:04:18,197 INFO L158 Benchmark]: RCFGBuilder took 681.80ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 33.1MB in the end (delta: 6.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-12-02 11:04:18,197 INFO L158 Benchmark]: TraceAbstraction took 14493.30ms. Allocated memory was 92.3MB in the beginning and 578.8MB in the end (delta: 486.5MB). Free memory was 32.7MB in the beginning and 223.5MB in the end (delta: -190.8MB). Peak memory consumption was 292.8MB. Max. memory is 16.1GB. [2024-12-02 11:04:18,198 INFO L158 Benchmark]: Witness Printer took 3.29ms. Allocated memory is still 578.8MB. Free memory was 223.5MB in the beginning and 223.4MB in the end (delta: 74.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:04:18,199 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.64ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 45.4MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.10ms. Allocated memory is still 92.3MB. Free memory was 45.4MB in the beginning and 43.1MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.29ms. Allocated memory is still 92.3MB. Free memory was 43.1MB in the beginning and 40.2MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 681.80ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 33.1MB in the end (delta: 6.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * TraceAbstraction took 14493.30ms. Allocated memory was 92.3MB in the beginning and 578.8MB in the end (delta: 486.5MB). Free memory was 32.7MB in the beginning and 223.5MB in the end (delta: -190.8MB). Peak memory consumption was 292.8MB. Max. memory is 16.1GB. * Witness Printer took 3.29ms. Allocated memory is still 578.8MB. Free memory was 223.5MB in the beginning and 223.4MB in the end (delta: 74.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p3_EAX = 0; [L720] 0 int __unbuffered_p3_EBX = 0; [L722] 0 int a = 0; [L723] 0 _Bool main$tmp_guard0; [L724] 0 _Bool main$tmp_guard1; [L726] 0 int x = 0; [L728] 0 int y = 0; [L729] 0 _Bool y$flush_delayed; [L730] 0 int y$mem_tmp; [L731] 0 _Bool y$r_buff0_thd0; [L732] 0 _Bool y$r_buff0_thd1; [L733] 0 _Bool y$r_buff0_thd2; [L734] 0 _Bool y$r_buff0_thd3; [L735] 0 _Bool y$r_buff0_thd4; [L736] 0 _Bool y$r_buff1_thd0; [L737] 0 _Bool y$r_buff1_thd1; [L738] 0 _Bool y$r_buff1_thd2; [L739] 0 _Bool y$r_buff1_thd3; [L740] 0 _Bool y$r_buff1_thd4; [L741] 0 _Bool y$read_delayed; [L742] 0 int *y$read_delayed_var; [L743] 0 int y$w_buff0; [L744] 0 _Bool y$w_buff0_used; [L745] 0 int y$w_buff1; [L746] 0 _Bool y$w_buff1_used; [L748] 0 int z = 0; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L858] 0 pthread_t t437; [L859] FCALL, FORK 0 pthread_create(&t437, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t437=5, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L860] 0 pthread_t t438; [L861] FCALL, FORK 0 pthread_create(&t438, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t437=5, t438=6, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L862] 0 pthread_t t439; [L863] FCALL, FORK 0 pthread_create(&t439, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t437=5, t438=6, t439=7, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L797] 3 y$w_buff1 = y$w_buff0 [L798] 3 y$w_buff0 = 1 [L799] 3 y$w_buff1_used = y$w_buff0_used [L800] 3 y$w_buff0_used = (_Bool)1 [L801] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L801] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L802] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L803] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L804] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L805] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L806] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L807] 3 y$r_buff0_thd3 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L864] 0 pthread_t t440; [L865] FCALL, FORK 0 pthread_create(&t440, ((void *)0), P3, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t437=5, t438=6, t439=7, t440=8, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L810] 3 __unbuffered_p2_EAX = z VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=0] [L827] 4 z = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L830] 4 __unbuffered_p3_EAX = z VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L833] 4 __unbuffered_p3_EBX = a VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L754] 1 a = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L757] 1 __unbuffered_p0_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L769] 2 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L772] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L773] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L774] 2 y$flush_delayed = weak$$choice2 [L775] 2 y$mem_tmp = y [L776] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L777] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L778] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L779] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L780] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L782] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 __unbuffered_p1_EAX = y [L784] 2 y = y$flush_delayed ? y$mem_tmp : y [L785] 2 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L836] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L837] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L838] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L839] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L840] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0, z=1] [L813] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L814] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L815] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L816] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L817] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L762] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L790] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L820] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L843] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L867] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t437=5, t438=6, t439=7, t440=8, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L869] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L869] RET 0 assume_abort_if_not(main$tmp_guard0) [L871] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L872] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L873] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L874] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L875] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t437=5, t438=6, t439=7, t440=8, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L878] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t437=5, t438=6, t439=7, t440=8, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L880] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] [L17] 0 __assert_fail ("0", "mix017_power.opt_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1, z=1] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 856]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 863]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 861]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 859]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 865]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 87 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 14.3s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 7, EmptinessCheckTime: 0.0s, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 788 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 733 mSDsluCounter, 355 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 318 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2886 IncrementalHoareTripleChecker+Invalid, 2921 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 37 mSDtfsCounter, 2886 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 371 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=270occurred in iteration=9, InterpolantAutomatonStates: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 389 NumberOfCodeBlocks, 388 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 339 ConstructedInterpolants, 0 QuantifiedInterpolants, 1549 SizeOfPredicates, 48 NumberOfNonLiveVariables, 1481 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 11:04:18,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c566a515-3b9e-4f27-ab94-2d50a3a24cf9/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample