./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.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_4defb852-6b6b-4824-a13c-e7885719e6ef/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4defb852-6b6b-4824-a13c-e7885719e6ef/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_4defb852-6b6b-4824-a13c-e7885719e6ef/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4defb852-6b6b-4824-a13c-e7885719e6ef/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4defb852-6b6b-4824-a13c-e7885719e6ef/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_4defb852-6b6b-4824-a13c-e7885719e6ef/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 33fa46fe030c661ecf8ddae0fe7d2b7598ab4fcf90a09fe31211d00189cd239f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 06:31:53,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 06:31:53,359 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4defb852-6b6b-4824-a13c-e7885719e6ef/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-12-02 06:31:53,364 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 06:31:53,364 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 06:31:53,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 06:31:53,387 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 06:31:53,387 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 06:31:53,387 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 06:31:53,387 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 06:31:53,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 06:31:53,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 06:31:53,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 06:31:53,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 06:31:53,388 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 06:31:53,388 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 06:31:53,388 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 06:31:53,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 06:31:53,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 06:31:53,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 06:31:53,388 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-02 06:31:53,388 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-02 06:31:53,389 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-02 06:31:53,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 06:31:53,389 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 06:31:53,389 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 06:31:53,389 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 06:31:53,389 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 06:31:53,389 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 06:31:53,389 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 06:31:53,389 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:31:53,389 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:31:53,389 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:31:53,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:31:53,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 06:31:53,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 06:31:53,390 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 06:31:53,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 06:31:53,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:31:53,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 06:31:53,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 06:31:53,390 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 06:31:53,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 06:31:53,390 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 06:31:53,390 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 06:31:53,390 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 06:31:53,391 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 06:31:53,391 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_4defb852-6b6b-4824-a13c-e7885719e6ef/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 -> 33fa46fe030c661ecf8ddae0fe7d2b7598ab4fcf90a09fe31211d00189cd239f [2024-12-02 06:31:53,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 06:31:53,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 06:31:53,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 06:31:53,628 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 06:31:53,628 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 06:31:53,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4defb852-6b6b-4824-a13c-e7885719e6ef/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-12-02 06:31:56,239 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4defb852-6b6b-4824-a13c-e7885719e6ef/bin/uautomizer-verify-84ZbGMXZE1/data/9b3e91533/ebe11d4cd69a4ad9a53f9421c06d4125/FLAGeb5e7cbda [2024-12-02 06:31:56,472 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 06:31:56,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4defb852-6b6b-4824-a13c-e7885719e6ef/sv-benchmarks/c/pthread-wmm/thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-12-02 06:31:56,484 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4defb852-6b6b-4824-a13c-e7885719e6ef/bin/uautomizer-verify-84ZbGMXZE1/data/9b3e91533/ebe11d4cd69a4ad9a53f9421c06d4125/FLAGeb5e7cbda [2024-12-02 06:31:56,799 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4defb852-6b6b-4824-a13c-e7885719e6ef/bin/uautomizer-verify-84ZbGMXZE1/data/9b3e91533/ebe11d4cd69a4ad9a53f9421c06d4125 [2024-12-02 06:31:56,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 06:31:56,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 06:31:56,802 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 06:31:56,802 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 06:31:56,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 06:31:56,806 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:31:56" (1/1) ... [2024-12-02 06:31:56,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cf8de32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:56, skipping insertion in model container [2024-12-02 06:31:56,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:31:56" (1/1) ... [2024-12-02 06:31:56,824 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 06:31:57,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:31:57,056 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 06:31:57,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 06:31:57,128 INFO L204 MainTranslator]: Completed translation [2024-12-02 06:31:57,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:57 WrapperNode [2024-12-02 06:31:57,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 06:31:57,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 06:31:57,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 06:31:57,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 06:31:57,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:57" (1/1) ... [2024-12-02 06:31:57,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:57" (1/1) ... [2024-12-02 06:31:57,159 INFO L138 Inliner]: procedures = 176, calls = 51, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2024-12-02 06:31:57,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 06:31:57,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 06:31:57,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 06:31:57,160 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 06:31:57,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:57" (1/1) ... [2024-12-02 06:31:57,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:57" (1/1) ... [2024-12-02 06:31:57,169 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:57" (1/1) ... [2024-12-02 06:31:57,179 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 06:31:57,179 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:57" (1/1) ... [2024-12-02 06:31:57,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:57" (1/1) ... [2024-12-02 06:31:57,184 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:57" (1/1) ... [2024-12-02 06:31:57,185 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:57" (1/1) ... [2024-12-02 06:31:57,186 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:57" (1/1) ... [2024-12-02 06:31:57,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:57" (1/1) ... [2024-12-02 06:31:57,188 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:57" (1/1) ... [2024-12-02 06:31:57,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 06:31:57,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 06:31:57,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 06:31:57,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 06:31:57,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:57" (1/1) ... [2024-12-02 06:31:57,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 06:31:57,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4defb852-6b6b-4824-a13c-e7885719e6ef/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 06:31:57,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4defb852-6b6b-4824-a13c-e7885719e6ef/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 06:31:57,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4defb852-6b6b-4824-a13c-e7885719e6ef/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 06:31:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-02 06:31:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 06:31:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-02 06:31:57,240 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-02 06:31:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-02 06:31:57,240 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-02 06:31:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-02 06:31:57,240 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-02 06:31:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-12-02 06:31:57,240 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-12-02 06:31:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 06:31:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-02 06:31:57,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 06:31:57,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 06:31:57,242 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 06:31:57,340 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 06:31:57,342 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 06:31:57,484 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 06:31:57,484 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 06:31:57,559 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 06:31:57,559 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 06:31:57,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:31:57 BoogieIcfgContainer [2024-12-02 06:31:57,560 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 06:31:57,562 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 06:31:57,562 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 06:31:57,566 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 06:31:57,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:31:56" (1/3) ... [2024-12-02 06:31:57,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71037209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:31:57, skipping insertion in model container [2024-12-02 06:31:57,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:31:57" (2/3) ... [2024-12-02 06:31:57,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71037209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:31:57, skipping insertion in model container [2024-12-02 06:31:57,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:31:57" (3/3) ... [2024-12-02 06:31:57,569 INFO L128 eAbstractionObserver]: Analyzing ICFG thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-12-02 06:31:57,583 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 06:31:57,585 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG thin002_pso.oepc_pso.opt_tso.oepc_tso.opt.i that has 5 procedures, 51 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-12-02 06:31:57,585 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 06:31:57,630 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-02 06:31:57,662 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 52 transitions, 120 flow [2024-12-02 06:31:57,702 INFO L124 PetriNetUnfolderBase]: 2/48 cut-off events. [2024-12-02 06:31:57,704 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 06:31:57,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 48 events. 2/48 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 93 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2024-12-02 06:31:57,707 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 52 transitions, 120 flow [2024-12-02 06:31:57,710 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 47 transitions, 106 flow [2024-12-02 06:31:57,716 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 06:31:57,725 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;@349494f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 06:31:57,726 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-12-02 06:31:57,740 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 06:31:57,740 INFO L124 PetriNetUnfolderBase]: 2/45 cut-off events. [2024-12-02 06:31:57,740 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 06:31:57,740 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:31:57,741 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 06:31:57,741 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-12-02 06:31:57,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:31:57,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1656970472, now seen corresponding path program 1 times [2024-12-02 06:31:57,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:31:57,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451746991] [2024-12-02 06:31:57,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:31:57,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:31:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:31:57,955 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 06:31:57,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:31:57,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451746991] [2024-12-02 06:31:57,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451746991] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:31:57,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:31:57,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 06:31:57,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086546742] [2024-12-02 06:31:57,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:31:57,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 06:31:57,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:31:57,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 06:31:57,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 06:31:57,985 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 52 [2024-12-02 06:31:57,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 47 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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 06:31:57,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:31:57,987 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 52 [2024-12-02 06:31:57,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:31:58,118 INFO L124 PetriNetUnfolderBase]: 211/507 cut-off events. [2024-12-02 06:31:58,118 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 06:31:58,121 INFO L83 FinitePrefix]: Finished finitePrefix Result has 879 conditions, 507 events. 211/507 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3151 event pairs, 211 based on Foata normal form. 48/514 useless extension candidates. Maximal degree in co-relation 867. Up to 336 conditions per place. [2024-12-02 06:31:58,125 INFO L140 encePairwiseOnDemand]: 48/52 looper letters, 15 selfloop transitions, 1 changer transitions 1/43 dead transitions. [2024-12-02 06:31:58,125 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 43 transitions, 132 flow [2024-12-02 06:31:58,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 06:31:58,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 06:31:58,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 110 transitions. [2024-12-02 06:31:58,137 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7051282051282052 [2024-12-02 06:31:58,138 INFO L175 Difference]: Start difference. First operand has 58 places, 47 transitions, 106 flow. Second operand 3 states and 110 transitions. [2024-12-02 06:31:58,139 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 43 transitions, 132 flow [2024-12-02 06:31:58,143 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 43 transitions, 128 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-12-02 06:31:58,145 INFO L231 Difference]: Finished difference. Result has 54 places, 42 transitions, 94 flow [2024-12-02 06:31:58,148 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=54, PETRI_TRANSITIONS=42} [2024-12-02 06:31:58,150 INFO L279 CegarLoopForPetriNet]: 58 programPoint places, -4 predicate places. [2024-12-02 06:31:58,150 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 42 transitions, 94 flow [2024-12-02 06:31:58,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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 06:31:58,150 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:31:58,150 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 06:31:58,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 06:31:58,151 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-12-02 06:31:58,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:31:58,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1656971759, now seen corresponding path program 1 times [2024-12-02 06:31:58,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:31:58,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307296232] [2024-12-02 06:31:58,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:31:58,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:31:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:31:58,435 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 06:31:58,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:31:58,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307296232] [2024-12-02 06:31:58,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307296232] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:31:58,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:31:58,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:31:58,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520606357] [2024-12-02 06:31:58,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:31:58,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:31:58,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:31:58,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:31:58,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:31:58,465 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 52 [2024-12-02 06:31:58,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 42 transitions, 94 flow. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 5 states have internal predecessors, (138), 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 06:31:58,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:31:58,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 52 [2024-12-02 06:31:58,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:31:59,028 INFO L124 PetriNetUnfolderBase]: 2120/3783 cut-off events. [2024-12-02 06:31:59,028 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 06:31:59,036 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6872 conditions, 3783 events. 2120/3783 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 26966 event pairs, 972 based on Foata normal form. 0/3530 useless extension candidates. Maximal degree in co-relation 6866. Up to 1893 conditions per place. [2024-12-02 06:31:59,049 INFO L140 encePairwiseOnDemand]: 43/52 looper letters, 28 selfloop transitions, 5 changer transitions 38/91 dead transitions. [2024-12-02 06:31:59,049 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 91 transitions, 340 flow [2024-12-02 06:31:59,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:31:59,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-12-02 06:31:59,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 273 transitions. [2024-12-02 06:31:59,051 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.65625 [2024-12-02 06:31:59,051 INFO L175 Difference]: Start difference. First operand has 54 places, 42 transitions, 94 flow. Second operand 8 states and 273 transitions. [2024-12-02 06:31:59,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 91 transitions, 340 flow [2024-12-02 06:31:59,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 91 transitions, 339 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 06:31:59,054 INFO L231 Difference]: Finished difference. Result has 64 places, 45 transitions, 148 flow [2024-12-02 06:31:59,054 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=148, PETRI_PLACES=64, PETRI_TRANSITIONS=45} [2024-12-02 06:31:59,055 INFO L279 CegarLoopForPetriNet]: 58 programPoint places, 6 predicate places. [2024-12-02 06:31:59,055 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 45 transitions, 148 flow [2024-12-02 06:31:59,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 5 states have internal predecessors, (138), 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 06:31:59,055 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:31:59,055 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:31:59,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 06:31:59,056 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-12-02 06:31:59,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:31:59,056 INFO L85 PathProgramCache]: Analyzing trace with hash 2100473072, now seen corresponding path program 1 times [2024-12-02 06:31:59,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:31:59,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317550289] [2024-12-02 06:31:59,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:31:59,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:31:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:31:59,208 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 06:31:59,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:31:59,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317550289] [2024-12-02 06:31:59,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317550289] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:31:59,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:31:59,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 06:31:59,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421476421] [2024-12-02 06:31:59,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:31:59,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 06:31:59,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:31:59,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 06:31:59,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 06:31:59,220 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 28 out of 52 [2024-12-02 06:31:59,221 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 45 transitions, 148 flow. Second operand has 5 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 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 06:31:59,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:31:59,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 28 of 52 [2024-12-02 06:31:59,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:31:59,638 INFO L124 PetriNetUnfolderBase]: 1072/2277 cut-off events. [2024-12-02 06:31:59,639 INFO L125 PetriNetUnfolderBase]: For 1890/2062 co-relation queries the response was YES. [2024-12-02 06:31:59,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5515 conditions, 2277 events. 1072/2277 cut-off events. For 1890/2062 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 17684 event pairs, 394 based on Foata normal form. 78/2145 useless extension candidates. Maximal degree in co-relation 5503. Up to 712 conditions per place. [2024-12-02 06:31:59,660 INFO L140 encePairwiseOnDemand]: 47/52 looper letters, 21 selfloop transitions, 3 changer transitions 19/69 dead transitions. [2024-12-02 06:31:59,661 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 69 transitions, 304 flow [2024-12-02 06:31:59,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:31:59,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-12-02 06:31:59,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 240 transitions. [2024-12-02 06:31:59,663 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6593406593406593 [2024-12-02 06:31:59,663 INFO L175 Difference]: Start difference. First operand has 64 places, 45 transitions, 148 flow. Second operand 7 states and 240 transitions. [2024-12-02 06:31:59,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 69 transitions, 304 flow [2024-12-02 06:31:59,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 69 transitions, 291 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-12-02 06:31:59,687 INFO L231 Difference]: Finished difference. Result has 66 places, 45 transitions, 158 flow [2024-12-02 06:31:59,687 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=139, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=158, PETRI_PLACES=66, PETRI_TRANSITIONS=45} [2024-12-02 06:31:59,688 INFO L279 CegarLoopForPetriNet]: 58 programPoint places, 8 predicate places. [2024-12-02 06:31:59,688 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 45 transitions, 158 flow [2024-12-02 06:31:59,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.6) internal successors, (153), 5 states have internal predecessors, (153), 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 06:31:59,688 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:31:59,688 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:31:59,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 06:31:59,688 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-12-02 06:31:59,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:31:59,689 INFO L85 PathProgramCache]: Analyzing trace with hash 251497278, now seen corresponding path program 1 times [2024-12-02 06:31:59,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:31:59,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958570095] [2024-12-02 06:31:59,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:31:59,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:31:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:31:59,875 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 06:31:59,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:31:59,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958570095] [2024-12-02 06:31:59,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958570095] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:31:59,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:31:59,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:31:59,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683325911] [2024-12-02 06:31:59,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:31:59,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:31:59,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:31:59,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:31:59,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:31:59,890 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 52 [2024-12-02 06:31:59,890 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 45 transitions, 158 flow. Second operand has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 6 states have internal predecessors, (176), 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 06:31:59,890 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:31:59,890 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 52 [2024-12-02 06:31:59,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:32:00,366 INFO L124 PetriNetUnfolderBase]: 1354/2584 cut-off events. [2024-12-02 06:32:00,366 INFO L125 PetriNetUnfolderBase]: For 3051/3249 co-relation queries the response was YES. [2024-12-02 06:32:00,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6534 conditions, 2584 events. 1354/2584 cut-off events. For 3051/3249 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 19089 event pairs, 406 based on Foata normal form. 74/2457 useless extension candidates. Maximal degree in co-relation 6518. Up to 542 conditions per place. [2024-12-02 06:32:00,387 INFO L140 encePairwiseOnDemand]: 46/52 looper letters, 27 selfloop transitions, 3 changer transitions 24/79 dead transitions. [2024-12-02 06:32:00,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 79 transitions, 365 flow [2024-12-02 06:32:00,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:32:00,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-12-02 06:32:00,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 271 transitions. [2024-12-02 06:32:00,390 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6514423076923077 [2024-12-02 06:32:00,390 INFO L175 Difference]: Start difference. First operand has 66 places, 45 transitions, 158 flow. Second operand 8 states and 271 transitions. [2024-12-02 06:32:00,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 79 transitions, 365 flow [2024-12-02 06:32:00,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 79 transitions, 341 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-12-02 06:32:00,408 INFO L231 Difference]: Finished difference. Result has 69 places, 44 transitions, 161 flow [2024-12-02 06:32:00,408 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=161, PETRI_PLACES=69, PETRI_TRANSITIONS=44} [2024-12-02 06:32:00,409 INFO L279 CegarLoopForPetriNet]: 58 programPoint places, 11 predicate places. [2024-12-02 06:32:00,409 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 44 transitions, 161 flow [2024-12-02 06:32:00,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 6 states have internal predecessors, (176), 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 06:32:00,409 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:32:00,409 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 06:32:00,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 06:32:00,409 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-12-02 06:32:00,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:32:00,410 INFO L85 PathProgramCache]: Analyzing trace with hash -677041637, now seen corresponding path program 1 times [2024-12-02 06:32:00,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:32:00,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573665251] [2024-12-02 06:32:00,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:32:00,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:32:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:32:00,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 06:32:00,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:32:00,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573665251] [2024-12-02 06:32:00,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573665251] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:32:00,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:32:00,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 06:32:00,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424856447] [2024-12-02 06:32:00,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:32:00,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 06:32:00,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:32:00,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 06:32:00,606 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 06:32:00,634 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 52 [2024-12-02 06:32:00,635 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 44 transitions, 161 flow. Second operand has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 7 states have internal predecessors, (183), 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 06:32:00,635 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:32:00,635 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 52 [2024-12-02 06:32:00,635 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:32:00,961 INFO L124 PetriNetUnfolderBase]: 1394/2638 cut-off events. [2024-12-02 06:32:00,961 INFO L125 PetriNetUnfolderBase]: For 3930/3930 co-relation queries the response was YES. [2024-12-02 06:32:00,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7252 conditions, 2638 events. 1394/2638 cut-off events. For 3930/3930 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 18906 event pairs, 369 based on Foata normal form. 48/2574 useless extension candidates. Maximal degree in co-relation 7234. Up to 647 conditions per place. [2024-12-02 06:32:00,971 INFO L140 encePairwiseOnDemand]: 46/52 looper letters, 36 selfloop transitions, 3 changer transitions 34/92 dead transitions. [2024-12-02 06:32:00,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 92 transitions, 511 flow [2024-12-02 06:32:00,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:32:00,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-12-02 06:32:00,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 264 transitions. [2024-12-02 06:32:00,972 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6346153846153846 [2024-12-02 06:32:00,973 INFO L175 Difference]: Start difference. First operand has 69 places, 44 transitions, 161 flow. Second operand 8 states and 264 transitions. [2024-12-02 06:32:00,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 92 transitions, 511 flow [2024-12-02 06:32:00,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 92 transitions, 471 flow, removed 14 selfloop flow, removed 8 redundant places. [2024-12-02 06:32:00,981 INFO L231 Difference]: Finished difference. Result has 70 places, 43 transitions, 159 flow [2024-12-02 06:32:00,981 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=159, PETRI_PLACES=70, PETRI_TRANSITIONS=43} [2024-12-02 06:32:00,982 INFO L279 CegarLoopForPetriNet]: 58 programPoint places, 12 predicate places. [2024-12-02 06:32:00,982 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 43 transitions, 159 flow [2024-12-02 06:32:00,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.142857142857142) internal successors, (183), 7 states have internal predecessors, (183), 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 06:32:00,982 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:32:00,982 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] [2024-12-02 06:32:00,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 06:32:00,983 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-12-02 06:32:00,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:32:00,983 INFO L85 PathProgramCache]: Analyzing trace with hash 2072029342, now seen corresponding path program 1 times [2024-12-02 06:32:00,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:32:00,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206300133] [2024-12-02 06:32:00,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:32:00,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:32:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:32:01,107 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 06:32:01,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:32:01,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206300133] [2024-12-02 06:32:01,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206300133] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:32:01,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:32:01,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:32:01,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714168065] [2024-12-02 06:32:01,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:32:01,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:32:01,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:32:01,108 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:32:01,108 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:32:01,120 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 52 [2024-12-02 06:32:01,121 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 43 transitions, 159 flow. Second operand has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 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 06:32:01,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:32:01,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 52 [2024-12-02 06:32:01,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:32:01,311 INFO L124 PetriNetUnfolderBase]: 550/1192 cut-off events. [2024-12-02 06:32:01,311 INFO L125 PetriNetUnfolderBase]: For 1583/1583 co-relation queries the response was YES. [2024-12-02 06:32:01,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3014 conditions, 1192 events. 550/1192 cut-off events. For 1583/1583 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 7526 event pairs, 300 based on Foata normal form. 24/1149 useless extension candidates. Maximal degree in co-relation 2996. Up to 567 conditions per place. [2024-12-02 06:32:01,316 INFO L140 encePairwiseOnDemand]: 47/52 looper letters, 33 selfloop transitions, 3 changer transitions 19/75 dead transitions. [2024-12-02 06:32:01,316 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 75 transitions, 388 flow [2024-12-02 06:32:01,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 06:32:01,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-12-02 06:32:01,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 231 transitions. [2024-12-02 06:32:01,318 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6346153846153846 [2024-12-02 06:32:01,318 INFO L175 Difference]: Start difference. First operand has 70 places, 43 transitions, 159 flow. Second operand 7 states and 231 transitions. [2024-12-02 06:32:01,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 75 transitions, 388 flow [2024-12-02 06:32:01,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 75 transitions, 350 flow, removed 14 selfloop flow, removed 8 redundant places. [2024-12-02 06:32:01,323 INFO L231 Difference]: Finished difference. Result has 69 places, 43 transitions, 154 flow [2024-12-02 06:32:01,323 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=154, PETRI_PLACES=69, PETRI_TRANSITIONS=43} [2024-12-02 06:32:01,324 INFO L279 CegarLoopForPetriNet]: 58 programPoint places, 11 predicate places. [2024-12-02 06:32:01,324 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 43 transitions, 154 flow [2024-12-02 06:32:01,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.666666666666668) internal successors, (166), 6 states have internal predecessors, (166), 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 06:32:01,324 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:32:01,324 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 06:32:01,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 06:32:01,324 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-12-02 06:32:01,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:32:01,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1679534393, now seen corresponding path program 1 times [2024-12-02 06:32:01,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:32:01,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155052010] [2024-12-02 06:32:01,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:32:01,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:32:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:32:01,450 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 06:32:01,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:32:01,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155052010] [2024-12-02 06:32:01,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155052010] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:32:01,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:32:01,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:32:01,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697002156] [2024-12-02 06:32:01,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:32:01,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:32:01,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:32:01,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:32:01,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:32:01,458 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 52 [2024-12-02 06:32:01,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 43 transitions, 154 flow. Second operand has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 6 states have internal predecessors, (176), 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 06:32:01,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:32:01,458 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 52 [2024-12-02 06:32:01,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:32:01,673 INFO L124 PetriNetUnfolderBase]: 674/1335 cut-off events. [2024-12-02 06:32:01,674 INFO L125 PetriNetUnfolderBase]: For 1283/1330 co-relation queries the response was YES. [2024-12-02 06:32:01,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3206 conditions, 1335 events. 674/1335 cut-off events. For 1283/1330 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 8626 event pairs, 168 based on Foata normal form. 24/1266 useless extension candidates. Maximal degree in co-relation 3189. Up to 319 conditions per place. [2024-12-02 06:32:01,677 INFO L140 encePairwiseOnDemand]: 46/52 looper letters, 25 selfloop transitions, 3 changer transitions 25/75 dead transitions. [2024-12-02 06:32:01,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 75 transitions, 355 flow [2024-12-02 06:32:01,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:32:01,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-12-02 06:32:01,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 269 transitions. [2024-12-02 06:32:01,679 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6466346153846154 [2024-12-02 06:32:01,679 INFO L175 Difference]: Start difference. First operand has 69 places, 43 transitions, 154 flow. Second operand 8 states and 269 transitions. [2024-12-02 06:32:01,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 75 transitions, 355 flow [2024-12-02 06:32:01,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 75 transitions, 323 flow, removed 12 selfloop flow, removed 6 redundant places. [2024-12-02 06:32:01,682 INFO L231 Difference]: Finished difference. Result has 72 places, 41 transitions, 149 flow [2024-12-02 06:32:01,682 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=149, PETRI_PLACES=72, PETRI_TRANSITIONS=41} [2024-12-02 06:32:01,683 INFO L279 CegarLoopForPetriNet]: 58 programPoint places, 14 predicate places. [2024-12-02 06:32:01,683 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 41 transitions, 149 flow [2024-12-02 06:32:01,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 6 states have internal predecessors, (176), 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 06:32:01,683 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 06:32:01,683 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 06:32:01,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 06:32:01,683 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-12-02 06:32:01,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 06:32:01,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1427400079, now seen corresponding path program 1 times [2024-12-02 06:32:01,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 06:32:01,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803970897] [2024-12-02 06:32:01,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 06:32:01,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 06:32:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 06:32:01,795 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 06:32:01,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 06:32:01,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803970897] [2024-12-02 06:32:01,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803970897] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 06:32:01,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 06:32:01,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 06:32:01,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569060479] [2024-12-02 06:32:01,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 06:32:01,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 06:32:01,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 06:32:01,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 06:32:01,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 06:32:01,807 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 27 out of 52 [2024-12-02 06:32:01,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 41 transitions, 149 flow. Second operand has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 6 states have internal predecessors, (176), 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 06:32:01,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 06:32:01,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 27 of 52 [2024-12-02 06:32:01,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 06:32:01,951 INFO L124 PetriNetUnfolderBase]: 253/502 cut-off events. [2024-12-02 06:32:01,951 INFO L125 PetriNetUnfolderBase]: For 447/462 co-relation queries the response was YES. [2024-12-02 06:32:01,952 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1166 conditions, 502 events. 253/502 cut-off events. For 447/462 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2519 event pairs, 45 based on Foata normal form. 24/500 useless extension candidates. Maximal degree in co-relation 1152. Up to 152 conditions per place. [2024-12-02 06:32:01,952 INFO L140 encePairwiseOnDemand]: 47/52 looper letters, 0 selfloop transitions, 0 changer transitions 61/61 dead transitions. [2024-12-02 06:32:01,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 61 transitions, 281 flow [2024-12-02 06:32:01,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 06:32:01,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-12-02 06:32:01,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 259 transitions. [2024-12-02 06:32:01,954 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6225961538461539 [2024-12-02 06:32:01,954 INFO L175 Difference]: Start difference. First operand has 72 places, 41 transitions, 149 flow. Second operand 8 states and 259 transitions. [2024-12-02 06:32:01,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 61 transitions, 281 flow [2024-12-02 06:32:01,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 61 transitions, 225 flow, removed 21 selfloop flow, removed 11 redundant places. [2024-12-02 06:32:01,956 INFO L231 Difference]: Finished difference. Result has 61 places, 0 transitions, 0 flow [2024-12-02 06:32:01,956 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=0, PETRI_PLACES=61, PETRI_TRANSITIONS=0} [2024-12-02 06:32:01,957 INFO L279 CegarLoopForPetriNet]: 58 programPoint places, 3 predicate places. [2024-12-02 06:32:01,957 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 0 transitions, 0 flow [2024-12-02 06:32:01,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 6 states have internal predecessors, (176), 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 06:32:01,960 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-12-02 06:32:01,961 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-12-02 06:32:01,961 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-12-02 06:32:01,961 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-12-02 06:32:01,961 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-12-02 06:32:01,961 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-12-02 06:32:01,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 06:32:01,962 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 06:32:01,965 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 06:32:01,966 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 06:32:01,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:32:01 BasicIcfg [2024-12-02 06:32:01,970 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 06:32:01,971 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 06:32:01,971 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 06:32:01,971 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 06:32:01,971 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:31:57" (3/4) ... [2024-12-02 06:32:01,973 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 06:32:01,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-12-02 06:32:01,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-12-02 06:32:01,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-12-02 06:32:01,975 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-12-02 06:32:01,978 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2024-12-02 06:32:01,978 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-12-02 06:32:01,978 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-02 06:32:01,979 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 06:32:02,030 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4defb852-6b6b-4824-a13c-e7885719e6ef/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 06:32:02,031 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4defb852-6b6b-4824-a13c-e7885719e6ef/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 06:32:02,031 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 06:32:02,031 INFO L158 Benchmark]: Toolchain (without parser) took 5229.96ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 117.5MB in the beginning and 310.9MB in the end (delta: -193.4MB). Peak memory consumption was 86.9MB. Max. memory is 16.1GB. [2024-12-02 06:32:02,031 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:32:02,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.18ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 96.9MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 06:32:02,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.83ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 95.2MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 06:32:02,032 INFO L158 Benchmark]: Boogie Preprocessor took 28.65ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 93.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:32:02,033 INFO L158 Benchmark]: RCFGBuilder took 370.32ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 73.2MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 06:32:02,033 INFO L158 Benchmark]: TraceAbstraction took 4408.31ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 72.7MB in the beginning and 315.1MB in the end (delta: -242.4MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2024-12-02 06:32:02,033 INFO L158 Benchmark]: Witness Printer took 60.15ms. Allocated memory is still 427.8MB. Free memory was 315.1MB in the beginning and 310.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 06:32:02,035 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.18ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 96.9MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.83ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 95.2MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.65ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 93.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 370.32ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 73.2MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4408.31ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 72.7MB in the beginning and 315.1MB in the end (delta: -242.4MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * Witness Printer took 60.15ms. Allocated memory is still 427.8MB. Free memory was 315.1MB in the beginning and 310.9MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 798]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 83 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 4.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 370 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 317 mSDsluCounter, 209 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 146 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 786 IncrementalHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 63 mSDtfsCounter, 786 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred in iteration=4, InterpolantAutomatonStates: 57, 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, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 166 ConstructedInterpolants, 0 QuantifiedInterpolants, 764 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 06:32:02,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4defb852-6b6b-4824-a13c-e7885719e6ef/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: TRUE