./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/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_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/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_c50aeea7-f4d1-432b-8ff0-3939190295a5/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 497394b95b3d1d02ab9ce49b64d507b876172aa5c11270440b3f7ed6bf5019ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:33:11,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:33:11,432 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-12-02 12:33:11,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:33:11,437 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:33:11,457 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:33:11,458 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:33:11,458 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:33:11,458 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:33:11,459 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:33:11,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:33:11,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:33:11,459 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:33:11,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:33:11,459 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:33:11,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:33:11,460 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:33:11,460 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:33:11,460 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:33:11,460 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:33:11,460 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-02 12:33:11,460 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-02 12:33:11,460 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-02 12:33:11,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:33:11,460 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 12:33:11,460 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 12:33:11,460 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:33:11,460 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:33:11,461 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:33:11,461 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:33:11,461 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:33:11,461 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:33:11,461 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:33:11,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:33:11,461 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:33:11,461 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:33:11,461 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:33:11,461 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:33:11,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:33:11,461 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:33:11,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:33:11,462 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:33:11,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:33:11,462 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:33:11,462 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:33:11,462 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:33:11,462 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:33:11,462 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_c50aeea7-f4d1-432b-8ff0-3939190295a5/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 -> 497394b95b3d1d02ab9ce49b64d507b876172aa5c11270440b3f7ed6bf5019ac [2024-12-02 12:33:11,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:33:11,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:33:11,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:33:11,714 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:33:11,714 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:33:11,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-12-02 12:33:14,391 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/data/7612f8761/1eea236b643040c38c2b180a06daef6c/FLAGc761bcacc [2024-12-02 12:33:14,604 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:33:14,605 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-12-02 12:33:14,618 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/data/7612f8761/1eea236b643040c38c2b180a06daef6c/FLAGc761bcacc [2024-12-02 12:33:14,631 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/data/7612f8761/1eea236b643040c38c2b180a06daef6c [2024-12-02 12:33:14,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:33:14,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:33:14,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:33:14,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:33:14,638 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:33:14,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:33:14" (1/1) ... [2024-12-02 12:33:14,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@368a573c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:14, skipping insertion in model container [2024-12-02 12:33:14,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:33:14" (1/1) ... [2024-12-02 12:33:14,666 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:33:14,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:33:14,985 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:33:15,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:33:15,078 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:33:15,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:15 WrapperNode [2024-12-02 12:33:15,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:33:15,079 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:33:15,079 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:33:15,079 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:33:15,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:15" (1/1) ... [2024-12-02 12:33:15,098 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:15" (1/1) ... [2024-12-02 12:33:15,117 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 118 [2024-12-02 12:33:15,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:33:15,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:33:15,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:33:15,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:33:15,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:15" (1/1) ... [2024-12-02 12:33:15,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:15" (1/1) ... [2024-12-02 12:33:15,130 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:15" (1/1) ... [2024-12-02 12:33:15,146 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 12:33:15,146 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:15" (1/1) ... [2024-12-02 12:33:15,146 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:15" (1/1) ... [2024-12-02 12:33:15,153 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:15" (1/1) ... [2024-12-02 12:33:15,154 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:15" (1/1) ... [2024-12-02 12:33:15,156 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:15" (1/1) ... [2024-12-02 12:33:15,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:15" (1/1) ... [2024-12-02 12:33:15,159 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:15" (1/1) ... [2024-12-02 12:33:15,161 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:33:15,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:33:15,162 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:33:15,162 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:33:15,163 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:15" (1/1) ... [2024-12-02 12:33:15,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:33:15,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:33:15,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:33:15,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:33:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-02 12:33:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:33:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-02 12:33:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-02 12:33:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-02 12:33:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-02 12:33:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-02 12:33:15,210 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-02 12:33:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:33:15,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-02 12:33:15,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:33:15,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:33:15,212 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 12:33:15,324 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:33:15,326 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:33:15,615 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 12:33:15,615 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:33:15,795 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:33:15,795 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 12:33:15,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:33:15 BoogieIcfgContainer [2024-12-02 12:33:15,796 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:33:15,797 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:33:15,797 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:33:15,801 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:33:15,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:33:14" (1/3) ... [2024-12-02 12:33:15,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b33ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:33:15, skipping insertion in model container [2024-12-02 12:33:15,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:15" (2/3) ... [2024-12-02 12:33:15,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b33ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:33:15, skipping insertion in model container [2024-12-02 12:33:15,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:33:15" (3/3) ... [2024-12-02 12:33:15,803 INFO L128 eAbstractionObserver]: Analyzing ICFG safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-12-02 12:33:15,813 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:33:15,814 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i that has 4 procedures, 42 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-12-02 12:33:15,815 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 12:33:15,860 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-02 12:33:15,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 43 transitions, 98 flow [2024-12-02 12:33:15,913 INFO L124 PetriNetUnfolderBase]: 2/40 cut-off events. [2024-12-02 12:33:15,915 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 12:33:15,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 40 events. 2/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2024-12-02 12:33:15,918 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 43 transitions, 98 flow [2024-12-02 12:33:15,921 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 40 transitions, 89 flow [2024-12-02 12:33:15,927 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:33:15,938 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;@4324bebd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:33:15,938 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-12-02 12:33:15,942 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 12:33:15,942 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-12-02 12:33:15,942 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 12:33:15,943 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:33:15,943 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-12-02 12:33:15,943 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-12-02 12:33:15,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:33:15,948 INFO L85 PathProgramCache]: Analyzing trace with hash 11875931, now seen corresponding path program 1 times [2024-12-02 12:33:15,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:33:15,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060606502] [2024-12-02 12:33:15,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:33:15,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:33:16,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:33:16,276 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 12:33:16,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:33:16,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060606502] [2024-12-02 12:33:16,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060606502] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:33:16,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:33:16,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 12:33:16,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025180634] [2024-12-02 12:33:16,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:33:16,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:33:16,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:33:16,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:33:16,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:33:16,305 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 43 [2024-12-02 12:33:16,307 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 89 flow. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 12:33:16,307 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:33:16,308 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 43 [2024-12-02 12:33:16,308 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:33:16,755 INFO L124 PetriNetUnfolderBase]: 825/1526 cut-off events. [2024-12-02 12:33:16,755 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-12-02 12:33:16,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2807 conditions, 1526 events. 825/1526 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 9667 event pairs, 129 based on Foata normal form. 96/1611 useless extension candidates. Maximal degree in co-relation 2796. Up to 1009 conditions per place. [2024-12-02 12:33:16,768 INFO L140 encePairwiseOnDemand]: 38/43 looper letters, 33 selfloop transitions, 2 changer transitions 2/52 dead transitions. [2024-12-02 12:33:16,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 52 transitions, 193 flow [2024-12-02 12:33:16,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:33:16,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:33:16,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 96 transitions. [2024-12-02 12:33:16,779 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7441860465116279 [2024-12-02 12:33:16,780 INFO L175 Difference]: Start difference. First operand has 48 places, 40 transitions, 89 flow. Second operand 3 states and 96 transitions. [2024-12-02 12:33:16,781 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 52 transitions, 193 flow [2024-12-02 12:33:16,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 52 transitions, 188 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-12-02 12:33:16,786 INFO L231 Difference]: Finished difference. Result has 45 places, 35 transitions, 80 flow [2024-12-02 12:33:16,789 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2024-12-02 12:33:16,791 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2024-12-02 12:33:16,791 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 80 flow [2024-12-02 12:33:16,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 12:33:16,792 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:33:16,792 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:33:16,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 12:33:16,792 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-12-02 12:33:16,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:33:16,793 INFO L85 PathProgramCache]: Analyzing trace with hash 845269929, now seen corresponding path program 1 times [2024-12-02 12:33:16,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:33:16,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618710882] [2024-12-02 12:33:16,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:33:16,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:33:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:33:16,856 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 12:33:16,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:33:16,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618710882] [2024-12-02 12:33:16,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618710882] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:33:16,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:33:16,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 12:33:16,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637463241] [2024-12-02 12:33:16,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:33:16,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:33:16,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:33:16,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:33:16,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:33:16,860 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-12-02 12:33:16,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 80 flow. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 12:33:16,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:33:16,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-12-02 12:33:16,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:33:17,117 INFO L124 PetriNetUnfolderBase]: 721/1369 cut-off events. [2024-12-02 12:33:17,118 INFO L125 PetriNetUnfolderBase]: For 92/92 co-relation queries the response was YES. [2024-12-02 12:33:17,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2589 conditions, 1369 events. 721/1369 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 8523 event pairs, 721 based on Foata normal form. 48/1371 useless extension candidates. Maximal degree in co-relation 2579. Up to 1090 conditions per place. [2024-12-02 12:33:17,125 INFO L140 encePairwiseOnDemand]: 41/43 looper letters, 18 selfloop transitions, 1 changer transitions 1/34 dead transitions. [2024-12-02 12:33:17,125 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 34 transitions, 118 flow [2024-12-02 12:33:17,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:33:17,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:33:17,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2024-12-02 12:33:17,126 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5581395348837209 [2024-12-02 12:33:17,127 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 80 flow. Second operand 3 states and 72 transitions. [2024-12-02 12:33:17,127 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 34 transitions, 118 flow [2024-12-02 12:33:17,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 34 transitions, 114 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 12:33:17,128 INFO L231 Difference]: Finished difference. Result has 43 places, 33 transitions, 74 flow [2024-12-02 12:33:17,128 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=43, PETRI_TRANSITIONS=33} [2024-12-02 12:33:17,129 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, -5 predicate places. [2024-12-02 12:33:17,129 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 33 transitions, 74 flow [2024-12-02 12:33:17,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 12:33:17,129 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:33:17,129 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:33:17,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:33:17,130 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-12-02 12:33:17,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:33:17,130 INFO L85 PathProgramCache]: Analyzing trace with hash 845271543, now seen corresponding path program 1 times [2024-12-02 12:33:17,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:33:17,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393376559] [2024-12-02 12:33:17,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:33:17,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:33:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:33:17,344 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 12:33:17,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:33:17,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393376559] [2024-12-02 12:33:17,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393376559] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:33:17,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:33:17,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:33:17,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123170698] [2024-12-02 12:33:17,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:33:17,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:33:17,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:33:17,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:33:17,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:33:17,365 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2024-12-02 12:33:17,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 33 transitions, 74 flow. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 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 12:33:17,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:33:17,366 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2024-12-02 12:33:17,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:33:17,914 INFO L124 PetriNetUnfolderBase]: 1855/3065 cut-off events. [2024-12-02 12:33:17,914 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 12:33:17,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5875 conditions, 3065 events. 1855/3065 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 19085 event pairs, 763 based on Foata normal form. 0/2988 useless extension candidates. Maximal degree in co-relation 5869. Up to 1723 conditions per place. [2024-12-02 12:33:17,926 INFO L140 encePairwiseOnDemand]: 36/43 looper letters, 32 selfloop transitions, 3 changer transitions 48/93 dead transitions. [2024-12-02 12:33:17,926 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 93 transitions, 364 flow [2024-12-02 12:33:17,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 12:33:17,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-12-02 12:33:17,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 197 transitions. [2024-12-02 12:33:17,927 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5726744186046512 [2024-12-02 12:33:17,928 INFO L175 Difference]: Start difference. First operand has 43 places, 33 transitions, 74 flow. Second operand 8 states and 197 transitions. [2024-12-02 12:33:17,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 93 transitions, 364 flow [2024-12-02 12:33:17,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 93 transitions, 363 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 12:33:17,930 INFO L231 Difference]: Finished difference. Result has 53 places, 34 transitions, 106 flow [2024-12-02 12:33:17,930 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=106, PETRI_PLACES=53, PETRI_TRANSITIONS=34} [2024-12-02 12:33:17,930 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 5 predicate places. [2024-12-02 12:33:17,930 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 34 transitions, 106 flow [2024-12-02 12:33:17,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 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 12:33:17,931 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:33:17,931 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 12:33:17,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:33:17,931 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-12-02 12:33:17,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:33:17,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1413021546, now seen corresponding path program 1 times [2024-12-02 12:33:17,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:33:17,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275885201] [2024-12-02 12:33:17,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:33:17,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:33:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:33:18,098 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 12:33:18,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:33:18,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275885201] [2024-12-02 12:33:18,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275885201] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:33:18,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:33:18,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:33:18,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097965599] [2024-12-02 12:33:18,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:33:18,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:33:18,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:33:18,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:33:18,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:33:18,104 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 43 [2024-12-02 12:33:18,105 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 34 transitions, 106 flow. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:33:18,105 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:33:18,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 43 [2024-12-02 12:33:18,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:33:18,551 INFO L124 PetriNetUnfolderBase]: 1340/2301 cut-off events. [2024-12-02 12:33:18,551 INFO L125 PetriNetUnfolderBase]: For 930/930 co-relation queries the response was YES. [2024-12-02 12:33:18,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5181 conditions, 2301 events. 1340/2301 cut-off events. For 930/930 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 14400 event pairs, 314 based on Foata normal form. 90/2313 useless extension candidates. Maximal degree in co-relation 5169. Up to 1310 conditions per place. [2024-12-02 12:33:18,565 INFO L140 encePairwiseOnDemand]: 38/43 looper letters, 27 selfloop transitions, 2 changer transitions 31/73 dead transitions. [2024-12-02 12:33:18,565 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 73 transitions, 314 flow [2024-12-02 12:33:18,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 12:33:18,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-12-02 12:33:18,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 167 transitions. [2024-12-02 12:33:18,567 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5548172757475083 [2024-12-02 12:33:18,567 INFO L175 Difference]: Start difference. First operand has 53 places, 34 transitions, 106 flow. Second operand 7 states and 167 transitions. [2024-12-02 12:33:18,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 73 transitions, 314 flow [2024-12-02 12:33:18,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 73 transitions, 303 flow, removed 4 selfloop flow, removed 3 redundant places. [2024-12-02 12:33:18,583 INFO L231 Difference]: Finished difference. Result has 55 places, 34 transitions, 115 flow [2024-12-02 12:33:18,583 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=115, PETRI_PLACES=55, PETRI_TRANSITIONS=34} [2024-12-02 12:33:18,584 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 7 predicate places. [2024-12-02 12:33:18,584 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 34 transitions, 115 flow [2024-12-02 12:33:18,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 12:33:18,584 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:33:18,584 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 12:33:18,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 12:33:18,585 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-12-02 12:33:18,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:33:18,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1297551061, now seen corresponding path program 1 times [2024-12-02 12:33:18,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:33:18,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463673887] [2024-12-02 12:33:18,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:33:18,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:33:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:33:18,779 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 12:33:18,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:33:18,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463673887] [2024-12-02 12:33:18,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463673887] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:33:18,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:33:18,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:33:18,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191453930] [2024-12-02 12:33:18,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:33:18,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:33:18,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:33:18,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:33:18,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:33:18,794 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 43 [2024-12-02 12:33:18,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 34 transitions, 115 flow. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 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 12:33:18,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:33:18,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 43 [2024-12-02 12:33:18,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:33:19,505 INFO L124 PetriNetUnfolderBase]: 2297/3763 cut-off events. [2024-12-02 12:33:19,505 INFO L125 PetriNetUnfolderBase]: For 2961/2963 co-relation queries the response was YES. [2024-12-02 12:33:19,514 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9433 conditions, 3763 events. 2297/3763 cut-off events. For 2961/2963 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 23192 event pairs, 341 based on Foata normal form. 74/3835 useless extension candidates. Maximal degree in co-relation 9417. Up to 1639 conditions per place. [2024-12-02 12:33:19,525 INFO L140 encePairwiseOnDemand]: 36/43 looper letters, 39 selfloop transitions, 4 changer transitions 29/81 dead transitions. [2024-12-02 12:33:19,525 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 81 transitions, 406 flow [2024-12-02 12:33:19,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:33:19,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-12-02 12:33:19,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 151 transitions. [2024-12-02 12:33:19,527 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5852713178294574 [2024-12-02 12:33:19,527 INFO L175 Difference]: Start difference. First operand has 55 places, 34 transitions, 115 flow. Second operand 6 states and 151 transitions. [2024-12-02 12:33:19,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 81 transitions, 406 flow [2024-12-02 12:33:19,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 81 transitions, 388 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-12-02 12:33:19,541 INFO L231 Difference]: Finished difference. Result has 53 places, 34 transitions, 120 flow [2024-12-02 12:33:19,541 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=120, PETRI_PLACES=53, PETRI_TRANSITIONS=34} [2024-12-02 12:33:19,542 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 5 predicate places. [2024-12-02 12:33:19,542 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 34 transitions, 120 flow [2024-12-02 12:33:19,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 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 12:33:19,542 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:33:19,542 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 12:33:19,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 12:33:19,543 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-12-02 12:33:19,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:33:19,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1906468565, now seen corresponding path program 2 times [2024-12-02 12:33:19,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:33:19,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079530086] [2024-12-02 12:33:19,543 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:33:19,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:33:19,568 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 12:33:19,568 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:33:19,691 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 12:33:19,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:33:19,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079530086] [2024-12-02 12:33:19,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079530086] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:33:19,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:33:19,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:33:19,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556541310] [2024-12-02 12:33:19,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:33:19,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:33:19,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:33:19,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:33:19,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:33:19,700 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2024-12-02 12:33:19,700 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 34 transitions, 120 flow. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 12:33:19,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:33:19,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2024-12-02 12:33:19,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:33:20,130 INFO L124 PetriNetUnfolderBase]: 1797/3073 cut-off events. [2024-12-02 12:33:20,130 INFO L125 PetriNetUnfolderBase]: For 1040/1040 co-relation queries the response was YES. [2024-12-02 12:33:20,138 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6839 conditions, 3073 events. 1797/3073 cut-off events. For 1040/1040 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 18684 event pairs, 254 based on Foata normal form. 119/3143 useless extension candidates. Maximal degree in co-relation 6824. Up to 1561 conditions per place. [2024-12-02 12:33:20,149 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 43 selfloop transitions, 5 changer transitions 0/59 dead transitions. [2024-12-02 12:33:20,149 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 59 transitions, 270 flow [2024-12-02 12:33:20,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:33:20,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 12:33:20,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 106 transitions. [2024-12-02 12:33:20,150 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6162790697674418 [2024-12-02 12:33:20,151 INFO L175 Difference]: Start difference. First operand has 53 places, 34 transitions, 120 flow. Second operand 4 states and 106 transitions. [2024-12-02 12:33:20,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 59 transitions, 270 flow [2024-12-02 12:33:20,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 59 transitions, 256 flow, removed 3 selfloop flow, removed 5 redundant places. [2024-12-02 12:33:20,159 INFO L231 Difference]: Finished difference. Result has 51 places, 38 transitions, 144 flow [2024-12-02 12:33:20,159 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=144, PETRI_PLACES=51, PETRI_TRANSITIONS=38} [2024-12-02 12:33:20,159 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 3 predicate places. [2024-12-02 12:33:20,159 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 38 transitions, 144 flow [2024-12-02 12:33:20,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 12:33:20,160 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:33:20,160 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] [2024-12-02 12:33:20,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 12:33:20,160 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-12-02 12:33:20,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:33:20,160 INFO L85 PathProgramCache]: Analyzing trace with hash -763166058, now seen corresponding path program 1 times [2024-12-02 12:33:20,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:33:20,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115062167] [2024-12-02 12:33:20,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:33:20,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:33:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:33:20,342 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 12:33:20,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:33:20,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115062167] [2024-12-02 12:33:20,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115062167] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:33:20,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:33:20,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:33:20,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341749494] [2024-12-02 12:33:20,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:33:20,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:33:20,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:33:20,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:33:20,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:33:20,353 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2024-12-02 12:33:20,353 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 38 transitions, 144 flow. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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 12:33:20,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:33:20,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2024-12-02 12:33:20,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:33:20,732 INFO L124 PetriNetUnfolderBase]: 1253/2159 cut-off events. [2024-12-02 12:33:20,732 INFO L125 PetriNetUnfolderBase]: For 727/727 co-relation queries the response was YES. [2024-12-02 12:33:20,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5229 conditions, 2159 events. 1253/2159 cut-off events. For 727/727 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 12087 event pairs, 172 based on Foata normal form. 96/2217 useless extension candidates. Maximal degree in co-relation 5215. Up to 641 conditions per place. [2024-12-02 12:33:20,745 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 55 selfloop transitions, 8 changer transitions 0/74 dead transitions. [2024-12-02 12:33:20,745 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 74 transitions, 363 flow [2024-12-02 12:33:20,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:33:20,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 12:33:20,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 135 transitions. [2024-12-02 12:33:20,747 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.627906976744186 [2024-12-02 12:33:20,747 INFO L175 Difference]: Start difference. First operand has 51 places, 38 transitions, 144 flow. Second operand 5 states and 135 transitions. [2024-12-02 12:33:20,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 74 transitions, 363 flow [2024-12-02 12:33:20,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 74 transitions, 360 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 12:33:20,750 INFO L231 Difference]: Finished difference. Result has 56 places, 42 transitions, 196 flow [2024-12-02 12:33:20,750 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=142, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=196, PETRI_PLACES=56, PETRI_TRANSITIONS=42} [2024-12-02 12:33:20,751 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 8 predicate places. [2024-12-02 12:33:20,751 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 42 transitions, 196 flow [2024-12-02 12:33:20,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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 12:33:20,751 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:33:20,751 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] [2024-12-02 12:33:20,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 12:33:20,752 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-12-02 12:33:20,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:33:20,752 INFO L85 PathProgramCache]: Analyzing trace with hash 219809568, now seen corresponding path program 1 times [2024-12-02 12:33:20,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:33:20,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519046530] [2024-12-02 12:33:20,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:33:20,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:33:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:33:21,057 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 12:33:21,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:33:21,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519046530] [2024-12-02 12:33:21,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519046530] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:33:21,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:33:21,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:33:21,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034728230] [2024-12-02 12:33:21,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:33:21,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:33:21,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:33:21,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:33:21,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:33:21,067 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2024-12-02 12:33:21,067 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 42 transitions, 196 flow. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 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 12:33:21,067 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:33:21,067 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2024-12-02 12:33:21,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:33:21,375 INFO L124 PetriNetUnfolderBase]: 949/1591 cut-off events. [2024-12-02 12:33:21,376 INFO L125 PetriNetUnfolderBase]: For 1725/1725 co-relation queries the response was YES. [2024-12-02 12:33:21,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4404 conditions, 1591 events. 949/1591 cut-off events. For 1725/1725 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 8408 event pairs, 162 based on Foata normal form. 44/1601 useless extension candidates. Maximal degree in co-relation 4387. Up to 586 conditions per place. [2024-12-02 12:33:21,384 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 49 selfloop transitions, 11 changer transitions 0/71 dead transitions. [2024-12-02 12:33:21,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 71 transitions, 385 flow [2024-12-02 12:33:21,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:33:21,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-12-02 12:33:21,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 146 transitions. [2024-12-02 12:33:21,385 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5658914728682171 [2024-12-02 12:33:21,385 INFO L175 Difference]: Start difference. First operand has 56 places, 42 transitions, 196 flow. Second operand 6 states and 146 transitions. [2024-12-02 12:33:21,385 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 71 transitions, 385 flow [2024-12-02 12:33:21,388 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 71 transitions, 354 flow, removed 11 selfloop flow, removed 5 redundant places. [2024-12-02 12:33:21,389 INFO L231 Difference]: Finished difference. Result has 58 places, 43 transitions, 210 flow [2024-12-02 12:33:21,390 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=210, PETRI_PLACES=58, PETRI_TRANSITIONS=43} [2024-12-02 12:33:21,390 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 10 predicate places. [2024-12-02 12:33:21,390 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 43 transitions, 210 flow [2024-12-02 12:33:21,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 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 12:33:21,390 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:33:21,390 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:33:21,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 12:33:21,391 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-12-02 12:33:21,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:33:21,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1806349745, now seen corresponding path program 1 times [2024-12-02 12:33:21,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:33:21,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857079701] [2024-12-02 12:33:21,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:33:21,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:33:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:33:22,647 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 12:33:22,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:33:22,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857079701] [2024-12-02 12:33:22,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857079701] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:33:22,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:33:22,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-12-02 12:33:22,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256064775] [2024-12-02 12:33:22,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:33:22,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 12:33:22,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:33:22,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 12:33:22,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 12:33:22,650 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2024-12-02 12:33:22,651 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 43 transitions, 210 flow. Second operand has 9 states, 9 states have (on average 17.88888888888889) internal successors, (161), 9 states have internal predecessors, (161), 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 12:33:22,651 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:33:22,651 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2024-12-02 12:33:22,651 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:33:23,279 INFO L124 PetriNetUnfolderBase]: 939/1857 cut-off events. [2024-12-02 12:33:23,279 INFO L125 PetriNetUnfolderBase]: For 2670/2963 co-relation queries the response was YES. [2024-12-02 12:33:23,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4928 conditions, 1857 events. 939/1857 cut-off events. For 2670/2963 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 12242 event pairs, 278 based on Foata normal form. 32/1701 useless extension candidates. Maximal degree in co-relation 4912. Up to 451 conditions per place. [2024-12-02 12:33:23,288 INFO L140 encePairwiseOnDemand]: 35/43 looper letters, 42 selfloop transitions, 5 changer transitions 21/91 dead transitions. [2024-12-02 12:33:23,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 91 transitions, 474 flow [2024-12-02 12:33:23,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 12:33:23,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-12-02 12:33:23,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 197 transitions. [2024-12-02 12:33:23,289 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5726744186046512 [2024-12-02 12:33:23,290 INFO L175 Difference]: Start difference. First operand has 58 places, 43 transitions, 210 flow. Second operand 8 states and 197 transitions. [2024-12-02 12:33:23,290 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 91 transitions, 474 flow [2024-12-02 12:33:23,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 91 transitions, 450 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-12-02 12:33:23,300 INFO L231 Difference]: Finished difference. Result has 67 places, 46 transitions, 221 flow [2024-12-02 12:33:23,300 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=221, PETRI_PLACES=67, PETRI_TRANSITIONS=46} [2024-12-02 12:33:23,300 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 19 predicate places. [2024-12-02 12:33:23,301 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 46 transitions, 221 flow [2024-12-02 12:33:23,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.88888888888889) internal successors, (161), 9 states have internal predecessors, (161), 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 12:33:23,301 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:33:23,301 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:33:23,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 12:33:23,301 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-12-02 12:33:23,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:33:23,302 INFO L85 PathProgramCache]: Analyzing trace with hash 913424007, now seen corresponding path program 2 times [2024-12-02 12:33:23,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:33:23,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841785857] [2024-12-02 12:33:23,302 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:33:23,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:33:23,376 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 12:33:23,376 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-12-02 12:33:23,377 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:33:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:33:23,470 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 12:33:23,470 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 12:33:23,471 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-12-02 12:33:23,472 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-12-02 12:33:23,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-12-02 12:33:23,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-12-02 12:33:23,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-12-02 12:33:23,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-12-02 12:33:23,473 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-12-02 12:33:23,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 12:33:23,473 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1] [2024-12-02 12:33:23,530 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 12:33:23,530 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:33:23,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:33:23 BasicIcfg [2024-12-02 12:33:23,535 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:33:23,535 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:33:23,535 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:33:23,536 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:33:23,536 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:33:15" (3/4) ... [2024-12-02 12:33:23,538 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 12:33:23,539 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:33:23,539 INFO L158 Benchmark]: Toolchain (without parser) took 8905.71ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 116.0MB in the beginning and 219.3MB in the end (delta: -103.3MB). Peak memory consumption was 203.0MB. Max. memory is 16.1GB. [2024-12-02 12:33:23,540 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:33:23,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.94ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 92.6MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 12:33:23,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.79ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 90.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:33:23,540 INFO L158 Benchmark]: Boogie Preprocessor took 43.32ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 87.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:33:23,541 INFO L158 Benchmark]: RCFGBuilder took 633.52ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 97.3MB in the end (delta: -10.0MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2024-12-02 12:33:23,541 INFO L158 Benchmark]: TraceAbstraction took 7737.63ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 96.8MB in the beginning and 219.4MB in the end (delta: -122.6MB). Peak memory consumption was 172.2MB. Max. memory is 16.1GB. [2024-12-02 12:33:23,541 INFO L158 Benchmark]: Witness Printer took 3.26ms. Allocated memory is still 444.6MB. Free memory was 219.4MB in the beginning and 219.3MB in the end (delta: 32.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 12:33:23,543 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 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.94ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 92.6MB in the end (delta: 23.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.79ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 90.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.32ms. Allocated memory is still 142.6MB. Free memory was 90.4MB in the beginning and 87.4MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 633.52ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 97.3MB in the end (delta: -10.0MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7737.63ms. Allocated memory was 142.6MB in the beginning and 444.6MB in the end (delta: 302.0MB). Free memory was 96.8MB in the beginning and 219.4MB in the end (delta: -122.6MB). Peak memory consumption was 172.2MB. Max. memory is 16.1GB. * Witness Printer took 3.26ms. Allocated memory is still 444.6MB. Free memory was 219.4MB in the beginning and 219.3MB in the end (delta: 32.0kB). 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: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L713] 0 int __unbuffered_p2_EBX = 0; [L714] 0 _Bool main$tmp_guard0; [L715] 0 _Bool main$tmp_guard1; [L717] 0 int x = 0; [L719] 0 int y = 0; [L720] 0 _Bool y$flush_delayed; [L721] 0 int y$mem_tmp; [L722] 0 _Bool y$r_buff0_thd0; [L723] 0 _Bool y$r_buff0_thd1; [L724] 0 _Bool y$r_buff0_thd2; [L725] 0 _Bool y$r_buff0_thd3; [L726] 0 _Bool y$r_buff1_thd0; [L727] 0 _Bool y$r_buff1_thd1; [L728] 0 _Bool y$r_buff1_thd2; [L729] 0 _Bool y$r_buff1_thd3; [L730] 0 _Bool y$read_delayed; [L731] 0 int *y$read_delayed_var; [L732] 0 int y$w_buff0; [L733] 0 _Bool y$w_buff0_used; [L734] 0 int y$w_buff1; [L735] 0 _Bool y$w_buff1_used; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L828] 0 pthread_t t2393; [L829] FCALL, FORK 0 pthread_create(&t2393, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2393=-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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L830] 0 pthread_t t2394; [L831] FCALL, FORK 0 pthread_create(&t2394, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2393=-1, t2394=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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L832] 0 pthread_t t2395; [L833] FCALL, FORK 0 pthread_create(&t2395, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2393=-1, t2394=0, t2395=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$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L741] 1 y$w_buff1 = y$w_buff0 [L742] 1 y$w_buff0 = 1 [L743] 1 y$w_buff1_used = y$w_buff0_used [L744] 1 y$w_buff0_used = (_Bool)1 [L745] CALL 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L745] RET 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L746] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L747] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L748] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L749] 1 y$r_buff1_thd3 = y$r_buff0_thd3 [L750] 1 y$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L753] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L770] 2 x = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L773] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L774] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L775] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L776] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L777] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L787] 3 __unbuffered_p2_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L790] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L791] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L792] 3 y$flush_delayed = weak$$choice2 [L793] 3 y$mem_tmp = y [L794] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L795] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L796] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L797] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L798] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L799] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L800] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] 3 __unbuffered_p2_EBX = y [L802] 3 y = y$flush_delayed ? y$mem_tmp : y [L803] 3 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L806] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L807] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L808] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L809] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L810] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L756] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L757] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L758] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L759] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L760] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1] [L763] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1] [L780] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1] [L813] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1] [L835] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2393=-1, t2394=0, t2395=1, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1] [L837] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L837] RET 0 assume_abort_if_not(main$tmp_guard0) [L839] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L840] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L841] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L842] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L843] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2393=-1, t2394=0, t2395=1, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1] [L846] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2393=-1, t2394=0, t2395=1, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1] [L848] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1] [L17] 0 __assert_fail ("0", "safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] - 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: 826]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 829]: 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: 833]: 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: 831]: 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 7 procedures, 66 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.6s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 447 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 421 mSDsluCounter, 86 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 997 IncrementalHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 30 mSDtfsCounter, 997 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=221occurred in iteration=9, InterpolantAutomatonStates: 50, 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, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 154 ConstructedInterpolants, 0 QuantifiedInterpolants, 602 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 12:33:23,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/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_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/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_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/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_c50aeea7-f4d1-432b-8ff0-3939190295a5/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 497394b95b3d1d02ab9ce49b64d507b876172aa5c11270440b3f7ed6bf5019ac --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:33:25,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:33:25,582 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-12-02 12:33:25,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:33:25,588 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:33:25,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:33:25,611 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:33:25,611 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:33:25,611 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:33:25,611 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:33:25,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:33:25,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:33:25,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:33:25,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:33:25,612 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:33:25,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:33:25,612 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:33:25,613 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:33:25,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:33:25,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:33:25,613 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-02 12:33:25,613 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-02 12:33:25,613 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-02 12:33:25,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:33:25,613 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 12:33:25,613 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 12:33:25,613 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 12:33:25,613 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 12:33:25,614 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:33:25,614 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:33:25,614 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:33:25,614 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:33:25,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:33:25,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:33:25,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:33:25,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:33:25,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:33:25,615 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:33:25,615 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:33:25,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:33:25,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:33:25,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:33:25,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:33:25,615 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 12:33:25,616 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 12:33:25,616 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:33:25,616 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:33:25,616 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:33:25,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:33:25,616 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_c50aeea7-f4d1-432b-8ff0-3939190295a5/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 -> 497394b95b3d1d02ab9ce49b64d507b876172aa5c11270440b3f7ed6bf5019ac [2024-12-02 12:33:25,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:33:25,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:33:25,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:33:25,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:33:25,849 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:33:25,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-12-02 12:33:28,535 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/data/939a31d75/a8133714cf9c49c0890212e59918d9a9/FLAG4903cb5ad [2024-12-02 12:33:28,753 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:33:28,754 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/sv-benchmarks/c/pthread-wmm/safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-12-02 12:33:28,766 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/data/939a31d75/a8133714cf9c49c0890212e59918d9a9/FLAG4903cb5ad [2024-12-02 12:33:28,780 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/data/939a31d75/a8133714cf9c49c0890212e59918d9a9 [2024-12-02 12:33:28,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:33:28,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:33:28,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:33:28,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:33:28,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:33:28,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:33:28" (1/1) ... [2024-12-02 12:33:28,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db25d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:28, skipping insertion in model container [2024-12-02 12:33:28,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:33:28" (1/1) ... [2024-12-02 12:33:28,821 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:33:29,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:33:29,138 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:33:29,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:33:29,235 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:33:29,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:29 WrapperNode [2024-12-02 12:33:29,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:33:29,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:33:29,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:33:29,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:33:29,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:29" (1/1) ... [2024-12-02 12:33:29,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:29" (1/1) ... [2024-12-02 12:33:29,281 INFO L138 Inliner]: procedures = 176, calls = 41, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 119 [2024-12-02 12:33:29,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:33:29,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:33:29,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:33:29,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:33:29,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:29" (1/1) ... [2024-12-02 12:33:29,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:29" (1/1) ... [2024-12-02 12:33:29,294 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:29" (1/1) ... [2024-12-02 12:33:29,309 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 12:33:29,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:29" (1/1) ... [2024-12-02 12:33:29,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:29" (1/1) ... [2024-12-02 12:33:29,319 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:29" (1/1) ... [2024-12-02 12:33:29,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:29" (1/1) ... [2024-12-02 12:33:29,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:29" (1/1) ... [2024-12-02 12:33:29,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:29" (1/1) ... [2024-12-02 12:33:29,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:29" (1/1) ... [2024-12-02 12:33:29,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:33:29,329 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:33:29,329 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:33:29,329 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:33:29,329 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:29" (1/1) ... [2024-12-02 12:33:29,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:33:29,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:33:29,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:33:29,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:33:29,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-02 12:33:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:33:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 12:33:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-02 12:33:29,382 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-02 12:33:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-02 12:33:29,382 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-02 12:33:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-02 12:33:29,382 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-02 12:33:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-02 12:33:29,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:33:29,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:33:29,383 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 12:33:29,503 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:33:29,504 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:33:29,790 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 12:33:29,790 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:33:30,001 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:33:30,001 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 12:33:30,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:33:30 BoogieIcfgContainer [2024-12-02 12:33:30,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:33:30,003 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:33:30,004 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:33:30,008 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:33:30,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:33:28" (1/3) ... [2024-12-02 12:33:30,008 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3362ab64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:33:30, skipping insertion in model container [2024-12-02 12:33:30,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:33:29" (2/3) ... [2024-12-02 12:33:30,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3362ab64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:33:30, skipping insertion in model container [2024-12-02 12:33:30,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:33:30" (3/3) ... [2024-12-02 12:33:30,010 INFO L128 eAbstractionObserver]: Analyzing ICFG safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-12-02 12:33:30,024 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:33:30,025 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i that has 4 procedures, 42 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-12-02 12:33:30,025 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 12:33:30,093 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-02 12:33:30,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 43 transitions, 98 flow [2024-12-02 12:33:30,153 INFO L124 PetriNetUnfolderBase]: 2/40 cut-off events. [2024-12-02 12:33:30,155 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 12:33:30,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 50 conditions, 40 events. 2/40 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2024-12-02 12:33:30,158 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 43 transitions, 98 flow [2024-12-02 12:33:30,160 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 48 places, 40 transitions, 89 flow [2024-12-02 12:33:30,167 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:33:30,178 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;@7449b359, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:33:30,178 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-12-02 12:33:30,182 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 12:33:30,182 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-12-02 12:33:30,182 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 12:33:30,182 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:33:30,183 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-12-02 12:33:30,183 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-12-02 12:33:30,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:33:30,188 INFO L85 PathProgramCache]: Analyzing trace with hash 11937499, now seen corresponding path program 1 times [2024-12-02 12:33:30,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:33:30,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1209811309] [2024-12-02 12:33:30,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:33:30,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:33:30,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:33:30,200 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:33:30,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:33:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:33:30,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:33:30,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:33:30,325 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 12:33:30,325 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:33:30,326 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:33:30,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1209811309] [2024-12-02 12:33:30,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1209811309] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:33:30,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:33:30,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 12:33:30,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025712899] [2024-12-02 12:33:30,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:33:30,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:33:30,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:33:30,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:33:30,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:33:30,360 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 43 [2024-12-02 12:33:30,362 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 89 flow. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 12:33:30,362 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:33:30,362 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 43 [2024-12-02 12:33:30,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:33:30,824 INFO L124 PetriNetUnfolderBase]: 825/1526 cut-off events. [2024-12-02 12:33:30,824 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2024-12-02 12:33:30,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2807 conditions, 1526 events. 825/1526 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 9667 event pairs, 129 based on Foata normal form. 96/1611 useless extension candidates. Maximal degree in co-relation 2796. Up to 1009 conditions per place. [2024-12-02 12:33:30,840 INFO L140 encePairwiseOnDemand]: 38/43 looper letters, 33 selfloop transitions, 2 changer transitions 2/52 dead transitions. [2024-12-02 12:33:30,840 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 52 transitions, 193 flow [2024-12-02 12:33:30,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:33:30,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:33:30,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 96 transitions. [2024-12-02 12:33:30,853 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7441860465116279 [2024-12-02 12:33:30,855 INFO L175 Difference]: Start difference. First operand has 48 places, 40 transitions, 89 flow. Second operand 3 states and 96 transitions. [2024-12-02 12:33:30,856 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 52 transitions, 193 flow [2024-12-02 12:33:30,860 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 52 transitions, 188 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-12-02 12:33:30,863 INFO L231 Difference]: Finished difference. Result has 45 places, 35 transitions, 80 flow [2024-12-02 12:33:30,866 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2024-12-02 12:33:30,869 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, -3 predicate places. [2024-12-02 12:33:30,870 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 80 flow [2024-12-02 12:33:30,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 12:33:30,870 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:33:30,870 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:33:30,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:33:31,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:33:31,071 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-12-02 12:33:31,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:33:31,072 INFO L85 PathProgramCache]: Analyzing trace with hash 238572011, now seen corresponding path program 1 times [2024-12-02 12:33:31,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:33:31,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [236001483] [2024-12-02 12:33:31,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:33:31,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:33:31,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:33:31,074 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:33:31,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 12:33:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:33:31,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 12:33:31,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:33:31,192 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 12:33:31,192 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:33:31,192 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:33:31,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236001483] [2024-12-02 12:33:31,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236001483] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:33:31,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:33:31,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 12:33:31,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652292310] [2024-12-02 12:33:31,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:33:31,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:33:31,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:33:31,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:33:31,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:33:31,195 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 43 [2024-12-02 12:33:31,196 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 80 flow. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 12:33:31,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:33:31,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 43 [2024-12-02 12:33:31,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:33:31,443 INFO L124 PetriNetUnfolderBase]: 721/1369 cut-off events. [2024-12-02 12:33:31,443 INFO L125 PetriNetUnfolderBase]: For 92/92 co-relation queries the response was YES. [2024-12-02 12:33:31,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2589 conditions, 1369 events. 721/1369 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 92. Compared 8539 event pairs, 721 based on Foata normal form. 48/1371 useless extension candidates. Maximal degree in co-relation 2579. Up to 1090 conditions per place. [2024-12-02 12:33:31,451 INFO L140 encePairwiseOnDemand]: 41/43 looper letters, 18 selfloop transitions, 1 changer transitions 1/34 dead transitions. [2024-12-02 12:33:31,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 34 transitions, 118 flow [2024-12-02 12:33:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:33:31,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 12:33:31,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2024-12-02 12:33:31,453 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5581395348837209 [2024-12-02 12:33:31,453 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 80 flow. Second operand 3 states and 72 transitions. [2024-12-02 12:33:31,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 34 transitions, 118 flow [2024-12-02 12:33:31,453 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 34 transitions, 114 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 12:33:31,454 INFO L231 Difference]: Finished difference. Result has 43 places, 33 transitions, 74 flow [2024-12-02 12:33:31,454 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=43, PETRI_TRANSITIONS=33} [2024-12-02 12:33:31,455 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, -5 predicate places. [2024-12-02 12:33:31,455 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 33 transitions, 74 flow [2024-12-02 12:33:31,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 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 12:33:31,455 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:33:31,456 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:33:31,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 12:33:31,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:33:31,660 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-12-02 12:33:31,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:33:31,661 INFO L85 PathProgramCache]: Analyzing trace with hash 238573625, now seen corresponding path program 1 times [2024-12-02 12:33:31,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:33:31,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1841246883] [2024-12-02 12:33:31,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:33:31,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:33:31,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:33:31,663 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:33:31,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 12:33:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:33:31,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 12:33:31,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:33:31,787 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 12:33:31,788 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:33:31,788 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:33:31,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841246883] [2024-12-02 12:33:31,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841246883] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:33:31,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:33:31,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:33:31,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189013295] [2024-12-02 12:33:31,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:33:31,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 12:33:31,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:33:31,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 12:33:31,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 12:33:31,800 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2024-12-02 12:33:31,800 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 33 transitions, 74 flow. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 12:33:31,800 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:33:31,800 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2024-12-02 12:33:31,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:33:32,122 INFO L124 PetriNetUnfolderBase]: 1499/2608 cut-off events. [2024-12-02 12:33:32,122 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 12:33:32,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4924 conditions, 2608 events. 1499/2608 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 16127 event pairs, 188 based on Foata normal form. 100/2683 useless extension candidates. Maximal degree in co-relation 4918. Up to 1316 conditions per place. [2024-12-02 12:33:32,131 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 42 selfloop transitions, 5 changer transitions 1/58 dead transitions. [2024-12-02 12:33:32,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 58 transitions, 224 flow [2024-12-02 12:33:32,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 12:33:32,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 12:33:32,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 106 transitions. [2024-12-02 12:33:32,132 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6162790697674418 [2024-12-02 12:33:32,132 INFO L175 Difference]: Start difference. First operand has 43 places, 33 transitions, 74 flow. Second operand 4 states and 106 transitions. [2024-12-02 12:33:32,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 58 transitions, 224 flow [2024-12-02 12:33:32,133 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 58 transitions, 223 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 12:33:32,134 INFO L231 Difference]: Finished difference. Result has 46 places, 36 transitions, 107 flow [2024-12-02 12:33:32,134 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=107, PETRI_PLACES=46, PETRI_TRANSITIONS=36} [2024-12-02 12:33:32,135 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, -2 predicate places. [2024-12-02 12:33:32,135 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 36 transitions, 107 flow [2024-12-02 12:33:32,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 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 12:33:32,135 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:33:32,136 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 12:33:32,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 12:33:32,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:33:32,336 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-12-02 12:33:32,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:33:32,337 INFO L85 PathProgramCache]: Analyzing trace with hash -525066663, now seen corresponding path program 1 times [2024-12-02 12:33:32,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:33:32,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [31457274] [2024-12-02 12:33:32,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:33:32,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:33:32,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:33:32,339 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:33:32,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 12:33:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:33:32,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 12:33:32,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:33:32,461 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 12:33:32,461 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:33:32,461 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:33:32,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31457274] [2024-12-02 12:33:32,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31457274] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:33:32,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:33:32,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 12:33:32,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724620376] [2024-12-02 12:33:32,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:33:32,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 12:33:32,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:33:32,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 12:33:32,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 12:33:32,473 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2024-12-02 12:33:32,474 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 107 flow. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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 12:33:32,474 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:33:32,474 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2024-12-02 12:33:32,474 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:33:32,831 INFO L124 PetriNetUnfolderBase]: 962/1675 cut-off events. [2024-12-02 12:33:32,831 INFO L125 PetriNetUnfolderBase]: For 423/423 co-relation queries the response was YES. [2024-12-02 12:33:32,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3781 conditions, 1675 events. 962/1675 cut-off events. For 423/423 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 9035 event pairs, 100 based on Foata normal form. 82/1739 useless extension candidates. Maximal degree in co-relation 3772. Up to 581 conditions per place. [2024-12-02 12:33:32,842 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 53 selfloop transitions, 8 changer transitions 1/72 dead transitions. [2024-12-02 12:33:32,842 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 72 transitions, 324 flow [2024-12-02 12:33:32,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 12:33:32,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 12:33:32,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 134 transitions. [2024-12-02 12:33:32,844 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6232558139534884 [2024-12-02 12:33:32,844 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 107 flow. Second operand 5 states and 134 transitions. [2024-12-02 12:33:32,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 72 transitions, 324 flow [2024-12-02 12:33:32,846 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 72 transitions, 314 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-12-02 12:33:32,848 INFO L231 Difference]: Finished difference. Result has 50 places, 39 transitions, 147 flow [2024-12-02 12:33:32,848 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=147, PETRI_PLACES=50, PETRI_TRANSITIONS=39} [2024-12-02 12:33:32,849 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 2 predicate places. [2024-12-02 12:33:32,849 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 39 transitions, 147 flow [2024-12-02 12:33:32,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 5 states have internal predecessors, (84), 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 12:33:32,849 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:33:32,849 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] [2024-12-02 12:33:32,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 12:33:33,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:33:33,050 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-12-02 12:33:33,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:33:33,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1188983684, now seen corresponding path program 1 times [2024-12-02 12:33:33,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:33:33,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [423019280] [2024-12-02 12:33:33,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:33:33,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:33:33,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:33:33,053 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:33:33,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 12:33:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:33:33,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 12:33:33,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:33:33,207 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 12:33:33,208 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:33:33,208 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:33:33,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [423019280] [2024-12-02 12:33:33,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [423019280] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:33:33,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:33:33,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 12:33:33,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181332699] [2024-12-02 12:33:33,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:33:33,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:33:33,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:33:33,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:33:33,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:33:33,218 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2024-12-02 12:33:33,218 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 39 transitions, 147 flow. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 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 12:33:33,218 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:33:33,218 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2024-12-02 12:33:33,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:33:33,555 INFO L124 PetriNetUnfolderBase]: 569/952 cut-off events. [2024-12-02 12:33:33,555 INFO L125 PetriNetUnfolderBase]: For 756/756 co-relation queries the response was YES. [2024-12-02 12:33:33,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2467 conditions, 952 events. 569/952 cut-off events. For 756/756 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4263 event pairs, 83 based on Foata normal form. 40/974 useless extension candidates. Maximal degree in co-relation 2456. Up to 308 conditions per place. [2024-12-02 12:33:33,560 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 46 selfloop transitions, 11 changer transitions 1/68 dead transitions. [2024-12-02 12:33:33,560 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 68 transitions, 331 flow [2024-12-02 12:33:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:33:33,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-12-02 12:33:33,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 144 transitions. [2024-12-02 12:33:33,561 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5581395348837209 [2024-12-02 12:33:33,562 INFO L175 Difference]: Start difference. First operand has 50 places, 39 transitions, 147 flow. Second operand 6 states and 144 transitions. [2024-12-02 12:33:33,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 68 transitions, 331 flow [2024-12-02 12:33:33,566 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 68 transitions, 306 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-12-02 12:33:33,567 INFO L231 Difference]: Finished difference. Result has 53 places, 39 transitions, 161 flow [2024-12-02 12:33:33,567 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=161, PETRI_PLACES=53, PETRI_TRANSITIONS=39} [2024-12-02 12:33:33,568 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 5 predicate places. [2024-12-02 12:33:33,568 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 39 transitions, 161 flow [2024-12-02 12:33:33,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 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 12:33:33,569 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:33:33,569 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:33:33,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 12:33:33,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:33:33,769 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-12-02 12:33:33,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:33:33,770 INFO L85 PathProgramCache]: Analyzing trace with hash 771385041, now seen corresponding path program 1 times [2024-12-02 12:33:33,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:33:33,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [810392708] [2024-12-02 12:33:33,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:33:33,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:33:33,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:33:33,773 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:33:33,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 12:33:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:33:33,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-02 12:33:33,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:33:34,246 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 12:33:34,246 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:33:34,246 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:33:34,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [810392708] [2024-12-02 12:33:34,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [810392708] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:33:34,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:33:34,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 12:33:34,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235499643] [2024-12-02 12:33:34,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:33:34,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 12:33:34,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:33:34,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 12:33:34,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-12-02 12:33:34,275 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 43 [2024-12-02 12:33:34,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 39 transitions, 161 flow. Second operand has 10 states, 10 states have (on average 17.8) internal successors, (178), 10 states have internal predecessors, (178), 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 12:33:34,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:33:34,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 43 [2024-12-02 12:33:34,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:33:34,732 INFO L124 PetriNetUnfolderBase]: 479/901 cut-off events. [2024-12-02 12:33:34,733 INFO L125 PetriNetUnfolderBase]: For 511/525 co-relation queries the response was YES. [2024-12-02 12:33:34,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2189 conditions, 901 events. 479/901 cut-off events. For 511/525 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 4387 event pairs, 110 based on Foata normal form. 8/878 useless extension candidates. Maximal degree in co-relation 2177. Up to 256 conditions per place. [2024-12-02 12:33:34,737 INFO L140 encePairwiseOnDemand]: 34/43 looper letters, 33 selfloop transitions, 4 changer transitions 28/83 dead transitions. [2024-12-02 12:33:34,737 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 83 transitions, 399 flow [2024-12-02 12:33:34,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 12:33:34,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-12-02 12:33:34,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 226 transitions. [2024-12-02 12:33:34,739 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5255813953488372 [2024-12-02 12:33:34,739 INFO L175 Difference]: Start difference. First operand has 53 places, 39 transitions, 161 flow. Second operand 10 states and 226 transitions. [2024-12-02 12:33:34,739 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 83 transitions, 399 flow [2024-12-02 12:33:34,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 83 transitions, 332 flow, removed 14 selfloop flow, removed 8 redundant places. [2024-12-02 12:33:34,744 INFO L231 Difference]: Finished difference. Result has 59 places, 39 transitions, 125 flow [2024-12-02 12:33:34,745 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=125, PETRI_PLACES=59, PETRI_TRANSITIONS=39} [2024-12-02 12:33:34,745 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 11 predicate places. [2024-12-02 12:33:34,745 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 39 transitions, 125 flow [2024-12-02 12:33:34,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.8) internal successors, (178), 10 states have internal predecessors, (178), 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 12:33:34,746 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:33:34,746 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, 1, 1, 1, 1, 1, 1] [2024-12-02 12:33:34,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-12-02 12:33:34,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:33:34,946 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-12-02 12:33:34,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:33:34,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1480365183, now seen corresponding path program 2 times [2024-12-02 12:33:34,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:33:34,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [807296802] [2024-12-02 12:33:34,947 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 12:33:34,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:33:34,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:33:34,949 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:33:34,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 12:33:35,029 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 12:33:35,029 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:33:35,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 12:33:35,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:33:35,088 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 12:33:35,088 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:33:35,088 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:33:35,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807296802] [2024-12-02 12:33:35,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807296802] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:33:35,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:33:35,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:33:35,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965875619] [2024-12-02 12:33:35,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:33:35,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 12:33:35,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:33:35,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 12:33:35,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 12:33:35,107 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 43 [2024-12-02 12:33:35,107 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 39 transitions, 125 flow. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 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 12:33:35,107 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:33:35,107 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 43 [2024-12-02 12:33:35,107 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:33:35,407 INFO L124 PetriNetUnfolderBase]: 719/1329 cut-off events. [2024-12-02 12:33:35,408 INFO L125 PetriNetUnfolderBase]: For 266/268 co-relation queries the response was YES. [2024-12-02 12:33:35,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2934 conditions, 1329 events. 719/1329 cut-off events. For 266/268 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 7090 event pairs, 305 based on Foata normal form. 8/1282 useless extension candidates. Maximal degree in co-relation 2921. Up to 625 conditions per place. [2024-12-02 12:33:35,413 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 31 selfloop transitions, 2 changer transitions 17/66 dead transitions. [2024-12-02 12:33:35,413 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 66 transitions, 298 flow [2024-12-02 12:33:35,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:33:35,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-12-02 12:33:35,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 135 transitions. [2024-12-02 12:33:35,414 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5232558139534884 [2024-12-02 12:33:35,415 INFO L175 Difference]: Start difference. First operand has 59 places, 39 transitions, 125 flow. Second operand 6 states and 135 transitions. [2024-12-02 12:33:35,415 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 66 transitions, 298 flow [2024-12-02 12:33:35,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 66 transitions, 272 flow, removed 7 selfloop flow, removed 8 redundant places. [2024-12-02 12:33:35,418 INFO L231 Difference]: Finished difference. Result has 55 places, 39 transitions, 123 flow [2024-12-02 12:33:35,418 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=123, PETRI_PLACES=55, PETRI_TRANSITIONS=39} [2024-12-02 12:33:35,419 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 7 predicate places. [2024-12-02 12:33:35,419 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 39 transitions, 123 flow [2024-12-02 12:33:35,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 6 states have internal predecessors, (104), 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 12:33:35,419 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:33:35,419 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:33:35,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 12:33:35,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:33:35,620 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-12-02 12:33:35,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:33:35,620 INFO L85 PathProgramCache]: Analyzing trace with hash -2046753833, now seen corresponding path program 3 times [2024-12-02 12:33:35,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:33:35,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2067245308] [2024-12-02 12:33:35,621 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-02 12:33:35,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:33:35,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:33:35,623 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:33:35,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 12:33:35,704 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-12-02 12:33:35,704 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 12:33:35,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 12:33:35,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:33:35,780 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 12:33:35,781 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:33:35,781 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:33:35,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067245308] [2024-12-02 12:33:35,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067245308] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:33:35,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:33:35,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 12:33:35,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95586548] [2024-12-02 12:33:35,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:33:35,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 12:33:35,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:33:35,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 12:33:35,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-12-02 12:33:35,798 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 43 [2024-12-02 12:33:35,798 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 39 transitions, 123 flow. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 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 12:33:35,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 12:33:35,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 43 [2024-12-02 12:33:35,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 12:33:36,051 INFO L124 PetriNetUnfolderBase]: 644/1206 cut-off events. [2024-12-02 12:33:36,051 INFO L125 PetriNetUnfolderBase]: For 215/216 co-relation queries the response was YES. [2024-12-02 12:33:36,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2661 conditions, 1206 events. 644/1206 cut-off events. For 215/216 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 6102 event pairs, 269 based on Foata normal form. 9/1189 useless extension candidates. Maximal degree in co-relation 2649. Up to 480 conditions per place. [2024-12-02 12:33:36,062 INFO L140 encePairwiseOnDemand]: 37/43 looper letters, 30 selfloop transitions, 3 changer transitions 20/68 dead transitions. [2024-12-02 12:33:36,062 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 68 transitions, 307 flow [2024-12-02 12:33:36,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 12:33:36,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-12-02 12:33:36,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 132 transitions. [2024-12-02 12:33:36,063 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5116279069767442 [2024-12-02 12:33:36,063 INFO L175 Difference]: Start difference. First operand has 55 places, 39 transitions, 123 flow. Second operand 6 states and 132 transitions. [2024-12-02 12:33:36,063 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 68 transitions, 307 flow [2024-12-02 12:33:36,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 68 transitions, 287 flow, removed 7 selfloop flow, removed 5 redundant places. [2024-12-02 12:33:36,065 INFO L231 Difference]: Finished difference. Result has 55 places, 39 transitions, 125 flow [2024-12-02 12:33:36,065 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=43, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=125, PETRI_PLACES=55, PETRI_TRANSITIONS=39} [2024-12-02 12:33:36,066 INFO L279 CegarLoopForPetriNet]: 48 programPoint places, 7 predicate places. [2024-12-02 12:33:36,066 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 39 transitions, 125 flow [2024-12-02 12:33:36,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 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 12:33:36,066 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 12:33:36,066 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 12:33:36,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 12:33:36,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:33:36,267 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-12-02 12:33:36,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:33:36,267 INFO L85 PathProgramCache]: Analyzing trace with hash -462730503, now seen corresponding path program 4 times [2024-12-02 12:33:36,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:33:36,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [750037230] [2024-12-02 12:33:36,268 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-02 12:33:36,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:33:36,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:33:36,269 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:33:36,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-02 12:33:36,345 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-02 12:33:36,345 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-12-02 12:33:36,345 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:33:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:33:36,417 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-02 12:33:36,417 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 12:33:36,417 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-12-02 12:33:36,419 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-12-02 12:33:36,419 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-12-02 12:33:36,419 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-12-02 12:33:36,419 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-12-02 12:33:36,419 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-12-02 12:33:36,419 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-12-02 12:33:36,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-12-02 12:33:36,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:33:36,620 INFO L422 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1] [2024-12-02 12:33:36,673 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 12:33:36,673 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:33:36,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:33:36 BasicIcfg [2024-12-02 12:33:36,678 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:33:36,678 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:33:36,678 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:33:36,679 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:33:36,679 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:33:30" (3/4) ... [2024-12-02 12:33:36,680 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 12:33:36,681 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:33:36,682 INFO L158 Benchmark]: Toolchain (without parser) took 7898.14ms. Allocated memory was 92.3MB in the beginning and 218.1MB in the end (delta: 125.8MB). Free memory was 67.8MB in the beginning and 155.6MB in the end (delta: -87.8MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2024-12-02 12:33:36,682 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:33:36,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.18ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 44.4MB in the end (delta: 23.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 12:33:36,682 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.03ms. Allocated memory is still 92.3MB. Free memory was 44.4MB in the beginning and 42.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:33:36,682 INFO L158 Benchmark]: Boogie Preprocessor took 45.93ms. Allocated memory is still 92.3MB. Free memory was 42.1MB in the beginning and 39.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:33:36,683 INFO L158 Benchmark]: RCFGBuilder took 672.97ms. Allocated memory is still 92.3MB. Free memory was 39.1MB in the beginning and 35.9MB in the end (delta: 3.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-12-02 12:33:36,683 INFO L158 Benchmark]: TraceAbstraction took 6674.53ms. Allocated memory was 92.3MB in the beginning and 218.1MB in the end (delta: 125.8MB). Free memory was 35.0MB in the beginning and 155.6MB in the end (delta: -120.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-12-02 12:33:36,683 INFO L158 Benchmark]: Witness Printer took 2.61ms. Allocated memory is still 218.1MB. Free memory was 155.6MB in the beginning and 155.6MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:33:36,685 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.18ms. Allocated memory is still 92.3MB. Free memory was 67.6MB in the beginning and 44.4MB in the end (delta: 23.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.03ms. Allocated memory is still 92.3MB. Free memory was 44.4MB in the beginning and 42.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.93ms. Allocated memory is still 92.3MB. Free memory was 42.1MB in the beginning and 39.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 672.97ms. Allocated memory is still 92.3MB. Free memory was 39.1MB in the beginning and 35.9MB in the end (delta: 3.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6674.53ms. Allocated memory was 92.3MB in the beginning and 218.1MB in the end (delta: 125.8MB). Free memory was 35.0MB in the beginning and 155.6MB in the end (delta: -120.6MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Witness Printer took 2.61ms. Allocated memory is still 218.1MB. Free memory was 155.6MB in the beginning and 155.6MB in the end (delta: 27.3kB). 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: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L713] 0 int __unbuffered_p2_EBX = 0; [L714] 0 _Bool main$tmp_guard0; [L715] 0 _Bool main$tmp_guard1; [L717] 0 int x = 0; [L719] 0 int y = 0; [L720] 0 _Bool y$flush_delayed; [L721] 0 int y$mem_tmp; [L722] 0 _Bool y$r_buff0_thd0; [L723] 0 _Bool y$r_buff0_thd1; [L724] 0 _Bool y$r_buff0_thd2; [L725] 0 _Bool y$r_buff0_thd3; [L726] 0 _Bool y$r_buff1_thd0; [L727] 0 _Bool y$r_buff1_thd1; [L728] 0 _Bool y$r_buff1_thd2; [L729] 0 _Bool y$r_buff1_thd3; [L730] 0 _Bool y$read_delayed; [L731] 0 int *y$read_delayed_var; [L732] 0 int y$w_buff0; [L733] 0 _Bool y$w_buff0_used; [L734] 0 int y$w_buff1; [L735] 0 _Bool y$w_buff1_used; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L828] 0 pthread_t t2393; [L829] FCALL, FORK 0 pthread_create(&t2393, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2393=-2, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0] [L741] 1 y$w_buff1 = y$w_buff0 [L742] 1 y$w_buff0 = 1 [L743] 1 y$w_buff1_used = y$w_buff0_used [L744] 1 y$w_buff0_used = (_Bool)1 [L745] CALL 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L745] RET 1 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L746] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L747] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L748] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L749] 1 y$r_buff1_thd3 = y$r_buff0_thd3 [L750] 1 y$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L830] 0 pthread_t t2394; [L831] FCALL, FORK 0 pthread_create(&t2394, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2393=-2, t2394=-1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L832] 0 pthread_t t2395; [L833] FCALL, FORK 0 pthread_create(&t2395, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t2393=-2, t2394=-1, t2395=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L753] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L770] 2 x = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L773] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L774] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L775] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L776] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L777] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L787] 3 __unbuffered_p2_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0] [L790] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L791] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L792] 3 y$flush_delayed = weak$$choice2 [L793] 3 y$mem_tmp = y [L794] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L795] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L796] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L797] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L798] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L799] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L800] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] 3 __unbuffered_p2_EBX = y [L802] 3 y = y$flush_delayed ? y$mem_tmp : y [L803] 3 y$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L756] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L757] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L758] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L759] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L760] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=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=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L763] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=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=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L780] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L806] 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) [L807] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L808] 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 [L809] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L810] 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}, __unbuffered_cnt=2, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L813] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L835] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2393=-2, t2394=-1, t2395=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L837] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L837] RET 0 assume_abort_if_not(main$tmp_guard0) [L839] 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) [L840] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L841] 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 [L842] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L843] 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}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2393=-2, t2394=-1, t2395=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L846] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2393=-2, t2394=-1, t2395=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L848] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] [L17] 0 __assert_fail ("0", "safe026_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=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] - 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: 826]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 831]: 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: 829]: 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: 833]: 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 7 procedures, 66 locations, 7 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: 6.5s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 368 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 343 mSDsluCounter, 134 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 115 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1069 IncrementalHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 19 mSDtfsCounter, 1069 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=161occurred in iteration=5, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 193 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 156 ConstructedInterpolants, 0 QuantifiedInterpolants, 592 SizeOfPredicates, 21 NumberOfNonLiveVariables, 784 ConjunctsInSsa, 52 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 12:33:36,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c50aeea7-f4d1-432b-8ff0-3939190295a5/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