./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9df54eb091d78e0f82ec179542e5b1e4fed45243a056538ca557e474796bb018 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:47:06,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:47:06,536 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-28 02:47:06,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:47:06,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:47:06,587 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:47:06,588 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:47:06,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:47:06,589 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:47:06,589 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:47:06,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:47:06,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:47:06,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:47:06,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:47:06,590 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:47:06,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:47:06,591 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:47:06,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:47:06,591 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:47:06,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:47:06,592 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 02:47:06,592 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 02:47:06,592 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 02:47:06,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:47:06,593 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:47:06,593 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:47:06,593 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:47:06,593 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:47:06,593 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:47:06,593 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:47:06,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:47:06,594 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:47:06,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:47:06,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:06,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:47:06,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:47:06,594 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:47:06,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:47:06,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:06,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:47:06,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:47:06,595 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:47:06,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:47:06,595 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:47:06,595 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:47:06,595 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:47:06,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:47:06,595 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_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9df54eb091d78e0f82ec179542e5b1e4fed45243a056538ca557e474796bb018 [2024-11-28 02:47:06,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:47:06,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:47:06,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:47:06,869 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:47:06,870 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:47:06,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i [2024-11-28 02:47:09,744 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/data/847d30719/83fe84f915ff4ad39519a43d8b0c4ebf/FLAGbb6c0ef43 [2024-11-28 02:47:10,104 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:47:10,105 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i [2024-11-28 02:47:10,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/data/847d30719/83fe84f915ff4ad39519a43d8b0c4ebf/FLAGbb6c0ef43 [2024-11-28 02:47:10,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/data/847d30719/83fe84f915ff4ad39519a43d8b0c4ebf [2024-11-28 02:47:10,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:47:10,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:47:10,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:47:10,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:47:10,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:47:10,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:10" (1/1) ... [2024-11-28 02:47:10,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11d945d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:10, skipping insertion in model container [2024-11-28 02:47:10,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:10" (1/1) ... [2024-11-28 02:47:10,207 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:47:10,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:47:10,683 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:47:10,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:47:10,814 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:47:10,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:10 WrapperNode [2024-11-28 02:47:10,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:47:10,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:47:10,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:47:10,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:47:10,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:10" (1/1) ... [2024-11-28 02:47:10,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:10" (1/1) ... [2024-11-28 02:47:10,906 INFO L138 Inliner]: procedures = 174, calls = 34, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 125 [2024-11-28 02:47:10,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:47:10,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:47:10,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:47:10,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:47:10,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:10" (1/1) ... [2024-11-28 02:47:10,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:10" (1/1) ... [2024-11-28 02:47:10,926 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:10" (1/1) ... [2024-11-28 02:47:10,959 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 02:47:10,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:10" (1/1) ... [2024-11-28 02:47:10,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:10" (1/1) ... [2024-11-28 02:47:10,971 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:10" (1/1) ... [2024-11-28 02:47:10,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:10" (1/1) ... [2024-11-28 02:47:10,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:10" (1/1) ... [2024-11-28 02:47:10,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:10" (1/1) ... [2024-11-28 02:47:10,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:10" (1/1) ... [2024-11-28 02:47:10,983 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:47:10,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:47:10,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:47:10,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:47:10,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:10" (1/1) ... [2024-11-28 02:47:10,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:11,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:11,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:11,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:47:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 02:47:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:47:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 02:47:11,092 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 02:47:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 02:47:11,093 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 02:47:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:47:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 02:47:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:47:11,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:47:11,095 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 02:47:11,306 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:47:11,309 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:47:11,780 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:47:11,780 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:47:12,191 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:47:12,192 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:47:12,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:12 BoogieIcfgContainer [2024-11-28 02:47:12,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:47:12,196 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:47:12,197 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:47:12,206 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:47:12,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:47:10" (1/3) ... [2024-11-28 02:47:12,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f600abb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:12, skipping insertion in model container [2024-11-28 02:47:12,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:10" (2/3) ... [2024-11-28 02:47:12,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f600abb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:12, skipping insertion in model container [2024-11-28 02:47:12,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:12" (3/3) ... [2024-11-28 02:47:12,210 INFO L128 eAbstractionObserver]: Analyzing ICFG safe029_power.opt_pso.opt_rmo.opt.i [2024-11-28 02:47:12,231 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:47:12,233 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe029_power.opt_pso.opt_rmo.opt.i that has 3 procedures, 34 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-28 02:47:12,233 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:47:12,327 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 02:47:12,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 35 transitions, 78 flow [2024-11-28 02:47:12,425 INFO L124 PetriNetUnfolderBase]: 2/33 cut-off events. [2024-11-28 02:47:12,432 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:47:12,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 33 events. 2/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2024-11-28 02:47:12,439 INFO L82 GeneralOperation]: Start removeDead. Operand has 40 places, 35 transitions, 78 flow [2024-11-28 02:47:12,443 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 38 places, 33 transitions, 72 flow [2024-11-28 02:47:12,458 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:47:12,484 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;@4cc9a1b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:47:12,485 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-28 02:47:12,496 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:47:12,496 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2024-11-28 02:47:12,496 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:47:12,497 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:12,497 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 02:47:12,499 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:12,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:12,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1454874301, now seen corresponding path program 1 times [2024-11-28 02:47:12,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:12,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572609635] [2024-11-28 02:47:12,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:12,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:13,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:13,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:13,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572609635] [2024-11-28 02:47:13,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572609635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:13,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:13,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 02:47:13,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938406557] [2024-11-28 02:47:13,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:13,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:13,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:13,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:13,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:13,398 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 35 [2024-11-28 02:47:13,405 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 33 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:13,406 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:13,406 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 35 [2024-11-28 02:47:13,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:13,772 INFO L124 PetriNetUnfolderBase]: 146/337 cut-off events. [2024-11-28 02:47:13,772 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:47:13,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 337 events. 146/337 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1786 event pairs, 20 based on Foata normal form. 24/354 useless extension candidates. Maximal degree in co-relation 600. Up to 208 conditions per place. [2024-11-28 02:47:13,779 INFO L140 encePairwiseOnDemand]: 30/35 looper letters, 23 selfloop transitions, 2 changer transitions 2/39 dead transitions. [2024-11-28 02:47:13,779 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 39 transitions, 138 flow [2024-11-28 02:47:13,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:13,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:13,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 74 transitions. [2024-11-28 02:47:13,799 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7047619047619048 [2024-11-28 02:47:13,801 INFO L175 Difference]: Start difference. First operand has 38 places, 33 transitions, 72 flow. Second operand 3 states and 74 transitions. [2024-11-28 02:47:13,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 39 transitions, 138 flow [2024-11-28 02:47:13,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 39 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:47:13,814 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 64 flow [2024-11-28 02:47:13,817 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=36, PETRI_TRANSITIONS=28} [2024-11-28 02:47:13,822 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, -2 predicate places. [2024-11-28 02:47:13,825 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 64 flow [2024-11-28 02:47:13,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:13,825 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:13,826 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:13,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:47:13,827 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:13,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:13,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1378803974, now seen corresponding path program 1 times [2024-11-28 02:47:13,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:13,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763461717] [2024-11-28 02:47:13,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:13,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:14,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:14,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:14,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763461717] [2024-11-28 02:47:14,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763461717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:14,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:14,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 02:47:14,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167496061] [2024-11-28 02:47:14,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:14,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:14,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:14,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:14,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:14,050 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 35 [2024-11-28 02:47:14,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 28 transitions, 64 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:14,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:14,051 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 35 [2024-11-28 02:47:14,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:14,212 INFO L124 PetriNetUnfolderBase]: 129/293 cut-off events. [2024-11-28 02:47:14,213 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-28 02:47:14,217 INFO L83 FinitePrefix]: Finished finitePrefix Result has 561 conditions, 293 events. 129/293 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1607 event pairs, 129 based on Foata normal form. 12/292 useless extension candidates. Maximal degree in co-relation 551. Up to 232 conditions per place. [2024-11-28 02:47:14,219 INFO L140 encePairwiseOnDemand]: 33/35 looper letters, 14 selfloop transitions, 1 changer transitions 1/27 dead transitions. [2024-11-28 02:47:14,220 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 27 transitions, 94 flow [2024-11-28 02:47:14,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:14,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:14,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 56 transitions. [2024-11-28 02:47:14,224 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2024-11-28 02:47:14,224 INFO L175 Difference]: Start difference. First operand has 36 places, 28 transitions, 64 flow. Second operand 3 states and 56 transitions. [2024-11-28 02:47:14,225 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 27 transitions, 94 flow [2024-11-28 02:47:14,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 27 transitions, 90 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:47:14,226 INFO L231 Difference]: Finished difference. Result has 34 places, 26 transitions, 58 flow [2024-11-28 02:47:14,227 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=58, PETRI_PLACES=34, PETRI_TRANSITIONS=26} [2024-11-28 02:47:14,228 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, -4 predicate places. [2024-11-28 02:47:14,228 INFO L471 AbstractCegarLoop]: Abstraction has has 34 places, 26 transitions, 58 flow [2024-11-28 02:47:14,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:14,229 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:14,229 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:14,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:47:14,230 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:14,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:14,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1378805286, now seen corresponding path program 1 times [2024-11-28 02:47:14,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:14,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824829110] [2024-11-28 02:47:14,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:14,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:14,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:14,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:14,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824829110] [2024-11-28 02:47:14,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824829110] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:14,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:14,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:47:14,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113571842] [2024-11-28 02:47:14,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:14,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:47:14,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:14,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:47:14,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:47:14,905 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 35 [2024-11-28 02:47:14,905 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 26 transitions, 58 flow. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:14,905 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:14,905 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 35 [2024-11-28 02:47:14,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:15,389 INFO L124 PetriNetUnfolderBase]: 294/615 cut-off events. [2024-11-28 02:47:15,389 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:47:15,392 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1144 conditions, 615 events. 294/615 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 3421 event pairs, 108 based on Foata normal form. 0/595 useless extension candidates. Maximal degree in co-relation 1138. Up to 322 conditions per place. [2024-11-28 02:47:15,396 INFO L140 encePairwiseOnDemand]: 28/35 looper letters, 22 selfloop transitions, 3 changer transitions 33/66 dead transitions. [2024-11-28 02:47:15,396 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 66 transitions, 256 flow [2024-11-28 02:47:15,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:47:15,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-28 02:47:15,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 148 transitions. [2024-11-28 02:47:15,400 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5285714285714286 [2024-11-28 02:47:15,400 INFO L175 Difference]: Start difference. First operand has 34 places, 26 transitions, 58 flow. Second operand 8 states and 148 transitions. [2024-11-28 02:47:15,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 66 transitions, 256 flow [2024-11-28 02:47:15,401 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 66 transitions, 255 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:47:15,403 INFO L231 Difference]: Finished difference. Result has 44 places, 27 transitions, 90 flow [2024-11-28 02:47:15,404 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=90, PETRI_PLACES=44, PETRI_TRANSITIONS=27} [2024-11-28 02:47:15,405 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 6 predicate places. [2024-11-28 02:47:15,405 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 27 transitions, 90 flow [2024-11-28 02:47:15,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:15,406 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:15,406 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:15,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:47:15,406 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:15,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:15,407 INFO L85 PathProgramCache]: Analyzing trace with hash -2039044571, now seen corresponding path program 1 times [2024-11-28 02:47:15,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:15,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353649643] [2024-11-28 02:47:15,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:15,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:16,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:16,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353649643] [2024-11-28 02:47:16,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353649643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:16,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:16,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:47:16,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114859510] [2024-11-28 02:47:16,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:16,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:47:16,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:16,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:47:16,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:47:16,157 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 35 [2024-11-28 02:47:16,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 27 transitions, 90 flow. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:16,157 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:16,157 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 35 [2024-11-28 02:47:16,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:16,681 INFO L124 PetriNetUnfolderBase]: 367/723 cut-off events. [2024-11-28 02:47:16,682 INFO L125 PetriNetUnfolderBase]: For 384/384 co-relation queries the response was YES. [2024-11-28 02:47:16,684 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1744 conditions, 723 events. 367/723 cut-off events. For 384/384 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 3525 event pairs, 74 based on Foata normal form. 30/750 useless extension candidates. Maximal degree in co-relation 1732. Up to 427 conditions per place. [2024-11-28 02:47:16,688 INFO L140 encePairwiseOnDemand]: 29/35 looper letters, 27 selfloop transitions, 4 changer transitions 31/71 dead transitions. [2024-11-28 02:47:16,688 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 71 transitions, 320 flow [2024-11-28 02:47:16,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 02:47:16,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 02:47:16,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 165 transitions. [2024-11-28 02:47:16,690 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4714285714285714 [2024-11-28 02:47:16,691 INFO L175 Difference]: Start difference. First operand has 44 places, 27 transitions, 90 flow. Second operand 10 states and 165 transitions. [2024-11-28 02:47:16,691 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 71 transitions, 320 flow [2024-11-28 02:47:16,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 71 transitions, 307 flow, removed 5 selfloop flow, removed 3 redundant places. [2024-11-28 02:47:16,697 INFO L231 Difference]: Finished difference. Result has 52 places, 29 transitions, 122 flow [2024-11-28 02:47:16,697 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=122, PETRI_PLACES=52, PETRI_TRANSITIONS=29} [2024-11-28 02:47:16,698 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 14 predicate places. [2024-11-28 02:47:16,698 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 29 transitions, 122 flow [2024-11-28 02:47:16,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 7 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:16,698 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:16,698 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:16,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:47:16,699 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:16,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:16,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1104713282, now seen corresponding path program 1 times [2024-11-28 02:47:16,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:16,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089129438] [2024-11-28 02:47:16,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:16,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:16,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:16,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:16,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089129438] [2024-11-28 02:47:16,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089129438] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:16,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:16,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:47:16,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382917557] [2024-11-28 02:47:16,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:16,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:47:16,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:16,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:47:16,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:47:16,992 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 35 [2024-11-28 02:47:16,992 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 29 transitions, 122 flow. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:16,992 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:16,993 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 35 [2024-11-28 02:47:16,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:17,358 INFO L124 PetriNetUnfolderBase]: 327/710 cut-off events. [2024-11-28 02:47:17,358 INFO L125 PetriNetUnfolderBase]: For 1273/1277 co-relation queries the response was YES. [2024-11-28 02:47:17,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2039 conditions, 710 events. 327/710 cut-off events. For 1273/1277 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4223 event pairs, 105 based on Foata normal form. 28/727 useless extension candidates. Maximal degree in co-relation 2020. Up to 269 conditions per place. [2024-11-28 02:47:17,364 INFO L140 encePairwiseOnDemand]: 30/35 looper letters, 26 selfloop transitions, 3 changer transitions 21/59 dead transitions. [2024-11-28 02:47:17,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 59 transitions, 332 flow [2024-11-28 02:47:17,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:47:17,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 02:47:17,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 127 transitions. [2024-11-28 02:47:17,366 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5183673469387755 [2024-11-28 02:47:17,366 INFO L175 Difference]: Start difference. First operand has 52 places, 29 transitions, 122 flow. Second operand 7 states and 127 transitions. [2024-11-28 02:47:17,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 59 transitions, 332 flow [2024-11-28 02:47:17,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 59 transitions, 299 flow, removed 15 selfloop flow, removed 5 redundant places. [2024-11-28 02:47:17,377 INFO L231 Difference]: Finished difference. Result has 52 places, 29 transitions, 128 flow [2024-11-28 02:47:17,379 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=128, PETRI_PLACES=52, PETRI_TRANSITIONS=29} [2024-11-28 02:47:17,380 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 14 predicate places. [2024-11-28 02:47:17,380 INFO L471 AbstractCegarLoop]: Abstraction has has 52 places, 29 transitions, 128 flow [2024-11-28 02:47:17,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:17,380 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:17,380 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:17,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:47:17,381 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:17,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:17,381 INFO L85 PathProgramCache]: Analyzing trace with hash 2123788995, now seen corresponding path program 1 times [2024-11-28 02:47:17,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:17,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990298605] [2024-11-28 02:47:17,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:17,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:18,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:18,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:18,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990298605] [2024-11-28 02:47:18,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990298605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:18,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:18,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:47:18,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055722526] [2024-11-28 02:47:18,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:18,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:47:18,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:18,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:47:18,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:47:18,664 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 35 [2024-11-28 02:47:18,665 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 29 transitions, 128 flow. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 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) [2024-11-28 02:47:18,665 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:18,665 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 35 [2024-11-28 02:47:18,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:19,345 INFO L124 PetriNetUnfolderBase]: 376/799 cut-off events. [2024-11-28 02:47:19,346 INFO L125 PetriNetUnfolderBase]: For 1667/1667 co-relation queries the response was YES. [2024-11-28 02:47:19,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2297 conditions, 799 events. 376/799 cut-off events. For 1667/1667 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 4552 event pairs, 91 based on Foata normal form. 30/826 useless extension candidates. Maximal degree in co-relation 2277. Up to 437 conditions per place. [2024-11-28 02:47:19,352 INFO L140 encePairwiseOnDemand]: 25/35 looper letters, 35 selfloop transitions, 10 changer transitions 33/85 dead transitions. [2024-11-28 02:47:19,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 85 transitions, 569 flow [2024-11-28 02:47:19,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 02:47:19,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-28 02:47:19,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 189 transitions. [2024-11-28 02:47:19,354 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4909090909090909 [2024-11-28 02:47:19,354 INFO L175 Difference]: Start difference. First operand has 52 places, 29 transitions, 128 flow. Second operand 11 states and 189 transitions. [2024-11-28 02:47:19,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 85 transitions, 569 flow [2024-11-28 02:47:19,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 85 transitions, 521 flow, removed 18 selfloop flow, removed 5 redundant places. [2024-11-28 02:47:19,365 INFO L231 Difference]: Finished difference. Result has 61 places, 35 transitions, 197 flow [2024-11-28 02:47:19,366 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=197, PETRI_PLACES=61, PETRI_TRANSITIONS=35} [2024-11-28 02:47:19,366 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 23 predicate places. [2024-11-28 02:47:19,366 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 35 transitions, 197 flow [2024-11-28 02:47:19,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 7 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) [2024-11-28 02:47:19,367 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:19,367 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:19,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:47:19,367 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:19,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:19,368 INFO L85 PathProgramCache]: Analyzing trace with hash 378543326, now seen corresponding path program 1 times [2024-11-28 02:47:19,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:19,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095808652] [2024-11-28 02:47:19,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:19,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:20,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:20,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:20,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095808652] [2024-11-28 02:47:20,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095808652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:20,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:20,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:47:20,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891275070] [2024-11-28 02:47:20,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:20,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:47:20,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:20,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:47:20,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:47:20,193 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 35 [2024-11-28 02:47:20,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 35 transitions, 197 flow. Second operand has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 9 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:20,194 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:20,194 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 35 [2024-11-28 02:47:20,194 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:20,886 INFO L124 PetriNetUnfolderBase]: 511/1014 cut-off events. [2024-11-28 02:47:20,887 INFO L125 PetriNetUnfolderBase]: For 3489/3512 co-relation queries the response was YES. [2024-11-28 02:47:20,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3576 conditions, 1014 events. 511/1014 cut-off events. For 3489/3512 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 5490 event pairs, 140 based on Foata normal form. 41/1049 useless extension candidates. Maximal degree in co-relation 3551. Up to 685 conditions per place. [2024-11-28 02:47:20,895 INFO L140 encePairwiseOnDemand]: 25/35 looper letters, 42 selfloop transitions, 19 changer transitions 31/101 dead transitions. [2024-11-28 02:47:20,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 101 transitions, 685 flow [2024-11-28 02:47:20,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:47:20,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-28 02:47:20,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 198 transitions. [2024-11-28 02:47:20,898 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4714285714285714 [2024-11-28 02:47:20,898 INFO L175 Difference]: Start difference. First operand has 61 places, 35 transitions, 197 flow. Second operand 12 states and 198 transitions. [2024-11-28 02:47:20,898 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 101 transitions, 685 flow [2024-11-28 02:47:20,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 101 transitions, 650 flow, removed 16 selfloop flow, removed 5 redundant places. [2024-11-28 02:47:20,914 INFO L231 Difference]: Finished difference. Result has 69 places, 48 transitions, 358 flow [2024-11-28 02:47:20,914 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=358, PETRI_PLACES=69, PETRI_TRANSITIONS=48} [2024-11-28 02:47:20,915 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 31 predicate places. [2024-11-28 02:47:20,915 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 48 transitions, 358 flow [2024-11-28 02:47:20,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.444444444444445) internal successors, (103), 9 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:20,916 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:20,916 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:20,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:47:20,916 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:20,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:20,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1376051314, now seen corresponding path program 2 times [2024-11-28 02:47:20,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:20,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269809111] [2024-11-28 02:47:20,917 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:47:20,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:20,941 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:47:20,941 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:47:21,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:21,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:21,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269809111] [2024-11-28 02:47:21,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269809111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:21,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:21,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:47:21,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802003034] [2024-11-28 02:47:21,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:21,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:47:21,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:21,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:47:21,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:47:21,908 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 35 [2024-11-28 02:47:21,908 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 48 transitions, 358 flow. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:21,908 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:21,908 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 35 [2024-11-28 02:47:21,909 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:22,958 INFO L124 PetriNetUnfolderBase]: 527/1036 cut-off events. [2024-11-28 02:47:22,959 INFO L125 PetriNetUnfolderBase]: For 4531/4531 co-relation queries the response was YES. [2024-11-28 02:47:22,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4415 conditions, 1036 events. 527/1036 cut-off events. For 4531/4531 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5509 event pairs, 165 based on Foata normal form. 23/1057 useless extension candidates. Maximal degree in co-relation 4385. Up to 693 conditions per place. [2024-11-28 02:47:22,969 INFO L140 encePairwiseOnDemand]: 23/35 looper letters, 59 selfloop transitions, 23 changer transitions 33/120 dead transitions. [2024-11-28 02:47:22,969 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 120 transitions, 1089 flow [2024-11-28 02:47:22,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 02:47:22,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-28 02:47:22,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 209 transitions. [2024-11-28 02:47:22,972 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.42653061224489797 [2024-11-28 02:47:22,972 INFO L175 Difference]: Start difference. First operand has 69 places, 48 transitions, 358 flow. Second operand 14 states and 209 transitions. [2024-11-28 02:47:22,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 120 transitions, 1089 flow [2024-11-28 02:47:22,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 120 transitions, 1055 flow, removed 17 selfloop flow, removed 2 redundant places. [2024-11-28 02:47:22,994 INFO L231 Difference]: Finished difference. Result has 86 places, 60 transitions, 559 flow [2024-11-28 02:47:22,995 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=559, PETRI_PLACES=86, PETRI_TRANSITIONS=60} [2024-11-28 02:47:22,996 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 48 predicate places. [2024-11-28 02:47:22,996 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 60 transitions, 559 flow [2024-11-28 02:47:22,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:22,996 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:22,996 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:22,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:47:22,997 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:22,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:22,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1080796422, now seen corresponding path program 3 times [2024-11-28 02:47:22,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:22,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084991993] [2024-11-28 02:47:22,998 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 02:47:22,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:23,041 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 02:47:23,041 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:47:23,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:23,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:23,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084991993] [2024-11-28 02:47:23,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084991993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:23,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:23,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:47:23,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013727024] [2024-11-28 02:47:23,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:23,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:47:23,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:23,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:47:23,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:47:23,961 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 35 [2024-11-28 02:47:23,961 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 60 transitions, 559 flow. Second operand has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:23,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:23,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 35 [2024-11-28 02:47:23,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:24,793 INFO L124 PetriNetUnfolderBase]: 482/975 cut-off events. [2024-11-28 02:47:24,794 INFO L125 PetriNetUnfolderBase]: For 8007/8027 co-relation queries the response was YES. [2024-11-28 02:47:24,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4687 conditions, 975 events. 482/975 cut-off events. For 8007/8027 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 5222 event pairs, 175 based on Foata normal form. 59/1029 useless extension candidates. Maximal degree in co-relation 4647. Up to 598 conditions per place. [2024-11-28 02:47:24,807 INFO L140 encePairwiseOnDemand]: 25/35 looper letters, 53 selfloop transitions, 25 changer transitions 28/114 dead transitions. [2024-11-28 02:47:24,807 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 114 transitions, 1229 flow [2024-11-28 02:47:24,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-28 02:47:24,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-11-28 02:47:24,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 173 transitions. [2024-11-28 02:47:24,809 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.44935064935064933 [2024-11-28 02:47:24,809 INFO L175 Difference]: Start difference. First operand has 86 places, 60 transitions, 559 flow. Second operand 11 states and 173 transitions. [2024-11-28 02:47:24,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 114 transitions, 1229 flow [2024-11-28 02:47:24,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 114 transitions, 1122 flow, removed 46 selfloop flow, removed 9 redundant places. [2024-11-28 02:47:24,841 INFO L231 Difference]: Finished difference. Result has 86 places, 63 transitions, 641 flow [2024-11-28 02:47:24,842 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=509, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=641, PETRI_PLACES=86, PETRI_TRANSITIONS=63} [2024-11-28 02:47:24,844 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 48 predicate places. [2024-11-28 02:47:24,844 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 63 transitions, 641 flow [2024-11-28 02:47:24,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.555555555555555) internal successors, (95), 9 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:24,845 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:24,845 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:24,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:47:24,846 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:24,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:24,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1337976194, now seen corresponding path program 1 times [2024-11-28 02:47:24,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:24,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496978964] [2024-11-28 02:47:24,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:24,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:25,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:25,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:25,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496978964] [2024-11-28 02:47:25,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496978964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:25,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:25,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:47:25,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771323439] [2024-11-28 02:47:25,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:25,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:47:25,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:25,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:47:25,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:47:25,889 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 35 [2024-11-28 02:47:25,890 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 63 transitions, 641 flow. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:25,890 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:25,890 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 35 [2024-11-28 02:47:25,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:26,649 INFO L124 PetriNetUnfolderBase]: 298/747 cut-off events. [2024-11-28 02:47:26,650 INFO L125 PetriNetUnfolderBase]: For 6128/6139 co-relation queries the response was YES. [2024-11-28 02:47:26,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3794 conditions, 747 events. 298/747 cut-off events. For 6128/6139 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 4742 event pairs, 65 based on Foata normal form. 20/754 useless extension candidates. Maximal degree in co-relation 3754. Up to 323 conditions per place. [2024-11-28 02:47:26,659 INFO L140 encePairwiseOnDemand]: 27/35 looper letters, 43 selfloop transitions, 12 changer transitions 25/96 dead transitions. [2024-11-28 02:47:26,659 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 96 transitions, 1116 flow [2024-11-28 02:47:26,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:47:26,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 02:47:26,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 156 transitions. [2024-11-28 02:47:26,661 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.49523809523809526 [2024-11-28 02:47:26,661 INFO L175 Difference]: Start difference. First operand has 86 places, 63 transitions, 641 flow. Second operand 9 states and 156 transitions. [2024-11-28 02:47:26,661 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 96 transitions, 1116 flow [2024-11-28 02:47:26,689 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 96 transitions, 1063 flow, removed 23 selfloop flow, removed 4 redundant places. [2024-11-28 02:47:26,693 INFO L231 Difference]: Finished difference. Result has 92 places, 62 transitions, 662 flow [2024-11-28 02:47:26,694 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=599, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=662, PETRI_PLACES=92, PETRI_TRANSITIONS=62} [2024-11-28 02:47:26,695 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 54 predicate places. [2024-11-28 02:47:26,697 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 62 transitions, 662 flow [2024-11-28 02:47:26,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:26,698 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:26,698 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:26,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:47:26,698 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:26,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:26,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1243412282, now seen corresponding path program 2 times [2024-11-28 02:47:26,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:26,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970543774] [2024-11-28 02:47:26,699 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:47:26,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:26,771 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:47:26,775 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:47:26,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:26,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:26,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970543774] [2024-11-28 02:47:26,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970543774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:26,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:26,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:47:26,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975280876] [2024-11-28 02:47:26,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:26,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:47:26,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:26,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:47:26,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:47:26,951 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 35 [2024-11-28 02:47:26,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 62 transitions, 662 flow. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 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) [2024-11-28 02:47:26,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:26,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 35 [2024-11-28 02:47:26,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:27,254 INFO L124 PetriNetUnfolderBase]: 320/713 cut-off events. [2024-11-28 02:47:27,254 INFO L125 PetriNetUnfolderBase]: For 5419/5435 co-relation queries the response was YES. [2024-11-28 02:47:27,259 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3252 conditions, 713 events. 320/713 cut-off events. For 5419/5435 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3740 event pairs, 66 based on Foata normal form. 54/753 useless extension candidates. Maximal degree in co-relation 3215. Up to 394 conditions per place. [2024-11-28 02:47:27,264 INFO L140 encePairwiseOnDemand]: 30/35 looper letters, 40 selfloop transitions, 5 changer transitions 0/58 dead transitions. [2024-11-28 02:47:27,264 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 58 transitions, 639 flow [2024-11-28 02:47:27,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:47:27,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 02:47:27,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 79 transitions. [2024-11-28 02:47:27,268 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5642857142857143 [2024-11-28 02:47:27,268 INFO L175 Difference]: Start difference. First operand has 92 places, 62 transitions, 662 flow. Second operand 4 states and 79 transitions. [2024-11-28 02:47:27,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 58 transitions, 639 flow [2024-11-28 02:47:27,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 58 transitions, 546 flow, removed 29 selfloop flow, removed 16 redundant places. [2024-11-28 02:47:27,285 INFO L231 Difference]: Finished difference. Result has 74 places, 47 transitions, 414 flow [2024-11-28 02:47:27,286 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=414, PETRI_PLACES=74, PETRI_TRANSITIONS=47} [2024-11-28 02:47:27,287 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 36 predicate places. [2024-11-28 02:47:27,287 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 47 transitions, 414 flow [2024-11-28 02:47:27,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 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) [2024-11-28 02:47:27,287 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:27,287 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:27,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:47:27,288 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:27,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:27,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1384636177, now seen corresponding path program 1 times [2024-11-28 02:47:27,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:27,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162078364] [2024-11-28 02:47:27,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:27,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:28,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:28,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:28,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162078364] [2024-11-28 02:47:28,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162078364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:28,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:28,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:47:28,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592368302] [2024-11-28 02:47:28,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:28,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:47:28,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:28,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:47:28,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:47:28,453 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 35 [2024-11-28 02:47:28,454 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 47 transitions, 414 flow. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:28,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:28,454 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 35 [2024-11-28 02:47:28,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:29,018 INFO L124 PetriNetUnfolderBase]: 232/597 cut-off events. [2024-11-28 02:47:29,019 INFO L125 PetriNetUnfolderBase]: For 2758/2774 co-relation queries the response was YES. [2024-11-28 02:47:29,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2525 conditions, 597 events. 232/597 cut-off events. For 2758/2774 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 3421 event pairs, 132 based on Foata normal form. 15/584 useless extension candidates. Maximal degree in co-relation 2497. Up to 373 conditions per place. [2024-11-28 02:47:29,024 INFO L140 encePairwiseOnDemand]: 27/35 looper letters, 21 selfloop transitions, 7 changer transitions 22/66 dead transitions. [2024-11-28 02:47:29,024 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 66 transitions, 620 flow [2024-11-28 02:47:29,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:47:29,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 02:47:29,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 152 transitions. [2024-11-28 02:47:29,026 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.48253968253968255 [2024-11-28 02:47:29,026 INFO L175 Difference]: Start difference. First operand has 74 places, 47 transitions, 414 flow. Second operand 9 states and 152 transitions. [2024-11-28 02:47:29,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 66 transitions, 620 flow [2024-11-28 02:47:29,035 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 66 transitions, 606 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-28 02:47:29,036 INFO L231 Difference]: Finished difference. Result has 84 places, 42 transitions, 371 flow [2024-11-28 02:47:29,036 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=371, PETRI_PLACES=84, PETRI_TRANSITIONS=42} [2024-11-28 02:47:29,037 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 46 predicate places. [2024-11-28 02:47:29,037 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 42 transitions, 371 flow [2024-11-28 02:47:29,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:29,038 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:29,038 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:29,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:47:29,038 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:29,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:29,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1944428557, now seen corresponding path program 2 times [2024-11-28 02:47:29,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:29,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737699423] [2024-11-28 02:47:29,039 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:47:29,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:29,085 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:47:29,086 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:47:29,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:29,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:29,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737699423] [2024-11-28 02:47:29,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737699423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:29,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:29,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:47:29,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603666562] [2024-11-28 02:47:29,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:29,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:47:29,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:29,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:47:29,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:47:29,928 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 35 [2024-11-28 02:47:29,929 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 42 transitions, 371 flow. Second operand has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:29,929 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:29,929 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 35 [2024-11-28 02:47:29,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:30,331 INFO L124 PetriNetUnfolderBase]: 198/501 cut-off events. [2024-11-28 02:47:30,332 INFO L125 PetriNetUnfolderBase]: For 2940/2947 co-relation queries the response was YES. [2024-11-28 02:47:30,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2203 conditions, 501 events. 198/501 cut-off events. For 2940/2947 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2741 event pairs, 116 based on Foata normal form. 20/504 useless extension candidates. Maximal degree in co-relation 2171. Up to 292 conditions per place. [2024-11-28 02:47:30,336 INFO L140 encePairwiseOnDemand]: 28/35 looper letters, 21 selfloop transitions, 8 changer transitions 17/60 dead transitions. [2024-11-28 02:47:30,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 60 transitions, 619 flow [2024-11-28 02:47:30,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:47:30,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 02:47:30,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 145 transitions. [2024-11-28 02:47:30,337 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4603174603174603 [2024-11-28 02:47:30,337 INFO L175 Difference]: Start difference. First operand has 84 places, 42 transitions, 371 flow. Second operand 9 states and 145 transitions. [2024-11-28 02:47:30,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 60 transitions, 619 flow [2024-11-28 02:47:30,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 60 transitions, 521 flow, removed 32 selfloop flow, removed 12 redundant places. [2024-11-28 02:47:30,347 INFO L231 Difference]: Finished difference. Result has 77 places, 38 transitions, 297 flow [2024-11-28 02:47:30,347 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=309, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=297, PETRI_PLACES=77, PETRI_TRANSITIONS=38} [2024-11-28 02:47:30,348 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 39 predicate places. [2024-11-28 02:47:30,348 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 38 transitions, 297 flow [2024-11-28 02:47:30,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.444444444444445) internal successors, (121), 9 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:30,348 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:30,348 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:30,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 02:47:30,348 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:30,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:30,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1375089608, now seen corresponding path program 1 times [2024-11-28 02:47:30,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:30,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825824446] [2024-11-28 02:47:30,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:30,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:30,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:30,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:47:30,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825824446] [2024-11-28 02:47:30,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825824446] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:30,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:30,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:47:30,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328857625] [2024-11-28 02:47:30,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:30,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:47:30,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:47:30,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:47:30,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:47:30,513 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 35 [2024-11-28 02:47:30,513 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 38 transitions, 297 flow. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:30,513 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:30,513 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 35 [2024-11-28 02:47:30,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:30,676 INFO L124 PetriNetUnfolderBase]: 147/329 cut-off events. [2024-11-28 02:47:30,676 INFO L125 PetriNetUnfolderBase]: For 996/997 co-relation queries the response was YES. [2024-11-28 02:47:30,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1236 conditions, 329 events. 147/329 cut-off events. For 996/997 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1409 event pairs, 25 based on Foata normal form. 27/345 useless extension candidates. Maximal degree in co-relation 1206. Up to 123 conditions per place. [2024-11-28 02:47:30,678 INFO L140 encePairwiseOnDemand]: 30/35 looper letters, 29 selfloop transitions, 6 changer transitions 1/45 dead transitions. [2024-11-28 02:47:30,678 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 45 transitions, 381 flow [2024-11-28 02:47:30,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:47:30,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 02:47:30,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 87 transitions. [2024-11-28 02:47:30,681 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.49714285714285716 [2024-11-28 02:47:30,681 INFO L175 Difference]: Start difference. First operand has 77 places, 38 transitions, 297 flow. Second operand 5 states and 87 transitions. [2024-11-28 02:47:30,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 45 transitions, 381 flow [2024-11-28 02:47:30,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 45 transitions, 272 flow, removed 38 selfloop flow, removed 22 redundant places. [2024-11-28 02:47:30,685 INFO L231 Difference]: Finished difference. Result has 56 places, 36 transitions, 195 flow [2024-11-28 02:47:30,686 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=171, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=195, PETRI_PLACES=56, PETRI_TRANSITIONS=36} [2024-11-28 02:47:30,687 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 18 predicate places. [2024-11-28 02:47:30,687 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 36 transitions, 195 flow [2024-11-28 02:47:30,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:30,687 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:30,687 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:30,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:47:30,688 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:30,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:30,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1073876728, now seen corresponding path program 1 times [2024-11-28 02:47:30,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:47:30,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394632593] [2024-11-28 02:47:30,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:30,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:47:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:30,745 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:30,842 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:47:30,844 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:47:30,845 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-11-28 02:47:30,847 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-11-28 02:47:30,850 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2024-11-28 02:47:30,850 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-11-28 02:47:30,850 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-11-28 02:47:30,851 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining) [2024-11-28 02:47:30,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:47:30,851 INFO L422 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:30,914 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:47:30,914 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:47:30,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:47:30 BasicIcfg [2024-11-28 02:47:30,919 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:47:30,919 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:47:30,919 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:47:30,920 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:47:30,920 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:12" (3/4) ... [2024-11-28 02:47:30,925 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:47:30,926 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:47:30,927 INFO L158 Benchmark]: Toolchain (without parser) took 20777.30ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 91.3MB in the beginning and 253.8MB in the end (delta: -162.4MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2024-11-28 02:47:30,927 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:30,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 664.45ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 68.7MB in the end (delta: 22.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:47:30,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.74ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 66.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:30,928 INFO L158 Benchmark]: Boogie Preprocessor took 75.88ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:30,929 INFO L158 Benchmark]: RCFGBuilder took 1208.97ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 72.2MB in the end (delta: -8.8MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-11-28 02:47:30,929 INFO L158 Benchmark]: TraceAbstraction took 18722.42ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 71.7MB in the beginning and 253.8MB in the end (delta: -182.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-11-28 02:47:30,929 INFO L158 Benchmark]: Witness Printer took 6.98ms. Allocated memory is still 335.5MB. Free memory was 253.8MB in the beginning and 253.8MB in the end (delta: 45.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:30,932 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 664.45ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 68.7MB in the end (delta: 22.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.74ms. Allocated memory is still 117.4MB. Free memory was 68.7MB in the beginning and 66.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 75.88ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1208.97ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 72.2MB in the end (delta: -8.8MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * TraceAbstraction took 18722.42ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 71.7MB in the beginning and 253.8MB in the end (delta: -182.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 6.98ms. Allocated memory is still 335.5MB. Free memory was 253.8MB in the beginning and 253.8MB in the end (delta: 45.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L709] 0 _Bool main$tmp_guard0; [L710] 0 _Bool main$tmp_guard1; [L712] 0 int x = 0; [L713] 0 _Bool x$flush_delayed; [L714] 0 int x$mem_tmp; [L715] 0 _Bool x$r_buff0_thd0; [L716] 0 _Bool x$r_buff0_thd1; [L717] 0 _Bool x$r_buff0_thd2; [L718] 0 _Bool x$r_buff1_thd0; [L719] 0 _Bool x$r_buff1_thd1; [L720] 0 _Bool x$r_buff1_thd2; [L721] 0 _Bool x$read_delayed; [L722] 0 int *x$read_delayed_var; [L723] 0 int x$w_buff0; [L724] 0 _Bool x$w_buff0_used; [L725] 0 int x$w_buff1; [L726] 0 _Bool x$w_buff1_used; [L728] 0 int y = 0; [L729] 0 _Bool weak$$choice0; [L730] 0 _Bool weak$$choice2; [L790] 0 pthread_t t2475; [L791] FCALL, FORK 0 pthread_create(&t2475, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, t2475=-2, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L792] 0 pthread_t t2476; [L793] FCALL, FORK 0 pthread_create(&t2476, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, t2475=-2, t2476=-1, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L754] 2 x$w_buff1 = x$w_buff0 [L755] 2 x$w_buff0 = 2 [L756] 2 x$w_buff1_used = x$w_buff0_used [L757] 2 x$w_buff0_used = (_Bool)1 [L758] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L18] COND FALSE 2 !(!expression) [L758] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L759] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L760] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L761] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L762] 2 x$r_buff0_thd2 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L765] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1] [L734] 1 y = 2 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2] [L737] 1 x = 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L740] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L741] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L742] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L743] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L744] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L768] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L769] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L770] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L771] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L772] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L747] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L795] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2475=-2, t2476=-1, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L797] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L797] RET 0 assume_abort_if_not(main$tmp_guard0) [L799] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L800] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L801] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L802] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L803] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2475=-2, t2476=-1, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L806] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L807] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L808] 0 x$flush_delayed = weak$$choice2 [L809] 0 x$mem_tmp = x [L810] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L811] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L812] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L813] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L814] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L815] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L816] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L817] 0 main$tmp_guard1 = !(x == 2 && y == 2) [L818] 0 x = x$flush_delayed ? x$mem_tmp : x [L819] 0 x$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2475=-2, t2476=-1, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L821] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L17] 0 __assert_fail ("0", "safe029_power.opt_pso.opt_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 793]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 791]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 51 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 18.5s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 556 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 514 mSDsluCounter, 447 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 389 mSDsCounter, 101 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1803 IncrementalHoareTripleChecker+Invalid, 1904 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 101 mSolverCounterUnsat, 58 mSDtfsCounter, 1803 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=662occurred in iteration=10, InterpolantAutomatonStates: 115, 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, 0.7s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 1822 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:47:30,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9df54eb091d78e0f82ec179542e5b1e4fed45243a056538ca557e474796bb018 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:47:33,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:47:33,626 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-28 02:47:33,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:47:33,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:47:33,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:47:33,658 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:47:33,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:47:33,659 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:47:33,659 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:47:33,659 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:47:33,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:47:33,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:47:33,660 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:47:33,660 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:47:33,660 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:47:33,660 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:47:33,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:47:33,661 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:47:33,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:47:33,661 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 02:47:33,661 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 02:47:33,661 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 02:47:33,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:47:33,661 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:47:33,661 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:47:33,662 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:47:33,662 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:47:33,662 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:47:33,662 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:47:33,662 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:47:33,662 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:47:33,662 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:47:33,662 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:47:33,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:47:33,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:33,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:47:33,663 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:47:33,663 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:47:33,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:47:33,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:33,664 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:47:33,664 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:47:33,664 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:47:33,664 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:47:33,664 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:47:33,664 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:47:33,664 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:47:33,664 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:47:33,665 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_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9df54eb091d78e0f82ec179542e5b1e4fed45243a056538ca557e474796bb018 [2024-11-28 02:47:33,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:47:34,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:47:34,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:47:34,005 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:47:34,005 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:47:34,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i [2024-11-28 02:47:37,069 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/data/d7d8939c2/7fe4dbe017784ddfa04d4ece9b0c7ac4/FLAGfaa203a67 [2024-11-28 02:47:37,545 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:47:37,546 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/sv-benchmarks/c/pthread-wmm/safe029_power.opt_pso.opt_rmo.opt.i [2024-11-28 02:47:37,571 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/data/d7d8939c2/7fe4dbe017784ddfa04d4ece9b0c7ac4/FLAGfaa203a67 [2024-11-28 02:47:37,597 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/data/d7d8939c2/7fe4dbe017784ddfa04d4ece9b0c7ac4 [2024-11-28 02:47:37,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:47:37,602 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:47:37,604 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:47:37,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:47:37,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:47:37,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:37" (1/1) ... [2024-11-28 02:47:37,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46061a6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:37, skipping insertion in model container [2024-11-28 02:47:37,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:47:37" (1/1) ... [2024-11-28 02:47:37,679 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:47:38,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:47:38,189 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:47:38,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:47:38,372 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:47:38,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38 WrapperNode [2024-11-28 02:47:38,373 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:47:38,374 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:47:38,374 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:47:38,374 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:47:38,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,453 INFO L138 Inliner]: procedures = 175, calls = 34, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 126 [2024-11-28 02:47:38,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:47:38,454 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:47:38,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:47:38,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:47:38,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,473 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,499 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 02:47:38,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,509 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,510 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,515 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:47:38,521 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:47:38,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:47:38,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:47:38,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (1/1) ... [2024-11-28 02:47:38,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:47:38,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:38,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:47:38,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:47:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 02:47:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:47:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:47:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 02:47:38,604 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 02:47:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 02:47:38,605 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 02:47:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 02:47:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:47:38,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:47:38,607 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 02:47:38,794 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:47:38,795 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:47:39,283 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:47:39,283 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:47:39,645 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:47:39,646 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:47:39,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:39 BoogieIcfgContainer [2024-11-28 02:47:39,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:47:39,650 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:47:39,652 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:47:39,658 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:47:39,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:47:37" (1/3) ... [2024-11-28 02:47:39,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1170af59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:39, skipping insertion in model container [2024-11-28 02:47:39,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:47:38" (2/3) ... [2024-11-28 02:47:39,661 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1170af59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:47:39, skipping insertion in model container [2024-11-28 02:47:39,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:39" (3/3) ... [2024-11-28 02:47:39,664 INFO L128 eAbstractionObserver]: Analyzing ICFG safe029_power.opt_pso.opt_rmo.opt.i [2024-11-28 02:47:39,682 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:47:39,685 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe029_power.opt_pso.opt_rmo.opt.i that has 3 procedures, 34 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-28 02:47:39,685 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:47:39,769 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 02:47:39,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 40 places, 35 transitions, 78 flow [2024-11-28 02:47:39,908 INFO L124 PetriNetUnfolderBase]: 2/33 cut-off events. [2024-11-28 02:47:39,911 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:47:39,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40 conditions, 33 events. 2/33 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 33. Up to 2 conditions per place. [2024-11-28 02:47:39,915 INFO L82 GeneralOperation]: Start removeDead. Operand has 40 places, 35 transitions, 78 flow [2024-11-28 02:47:39,918 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 38 places, 33 transitions, 72 flow [2024-11-28 02:47:39,928 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:47:39,942 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;@3ca5c3d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:47:39,943 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-28 02:47:39,950 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:47:39,950 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-11-28 02:47:39,950 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:47:39,950 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:39,951 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 02:47:39,952 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:39,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:39,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1515886333, now seen corresponding path program 1 times [2024-11-28 02:47:39,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:39,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1968559529] [2024-11-28 02:47:39,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:39,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:39,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:39,978 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:47:39,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:47:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:40,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:47:40,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:40,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:40,195 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:40,195 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:40,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968559529] [2024-11-28 02:47:40,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968559529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:40,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:40,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 02:47:40,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688969438] [2024-11-28 02:47:40,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:40,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:40,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:40,250 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:40,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:40,253 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 35 [2024-11-28 02:47:40,257 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 33 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:40,258 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:40,258 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 35 [2024-11-28 02:47:40,259 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:40,566 INFO L124 PetriNetUnfolderBase]: 146/337 cut-off events. [2024-11-28 02:47:40,566 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:47:40,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 337 events. 146/337 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1782 event pairs, 20 based on Foata normal form. 24/355 useless extension candidates. Maximal degree in co-relation 600. Up to 208 conditions per place. [2024-11-28 02:47:40,575 INFO L140 encePairwiseOnDemand]: 30/35 looper letters, 23 selfloop transitions, 2 changer transitions 2/39 dead transitions. [2024-11-28 02:47:40,576 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 39 transitions, 138 flow [2024-11-28 02:47:40,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:40,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:40,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 74 transitions. [2024-11-28 02:47:40,593 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7047619047619048 [2024-11-28 02:47:40,595 INFO L175 Difference]: Start difference. First operand has 38 places, 33 transitions, 72 flow. Second operand 3 states and 74 transitions. [2024-11-28 02:47:40,596 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 39 transitions, 138 flow [2024-11-28 02:47:40,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 39 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:47:40,607 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 64 flow [2024-11-28 02:47:40,610 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=36, PETRI_TRANSITIONS=28} [2024-11-28 02:47:40,616 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, -2 predicate places. [2024-11-28 02:47:40,616 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 64 flow [2024-11-28 02:47:40,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:40,618 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:40,618 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:40,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:47:40,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:40,819 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:40,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:40,820 INFO L85 PathProgramCache]: Analyzing trace with hash -580687864, now seen corresponding path program 1 times [2024-11-28 02:47:40,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:40,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1760299089] [2024-11-28 02:47:40,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:40,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:40,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:40,829 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:47:40,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:47:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:40,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:47:40,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:41,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:41,023 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:41,023 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:41,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760299089] [2024-11-28 02:47:41,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760299089] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:41,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:41,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 02:47:41,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375496704] [2024-11-28 02:47:41,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:41,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:47:41,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:41,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:47:41,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:47:41,029 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 35 [2024-11-28 02:47:41,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 28 transitions, 64 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:41,030 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:41,030 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 35 [2024-11-28 02:47:41,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:41,205 INFO L124 PetriNetUnfolderBase]: 129/293 cut-off events. [2024-11-28 02:47:41,206 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-28 02:47:41,209 INFO L83 FinitePrefix]: Finished finitePrefix Result has 561 conditions, 293 events. 129/293 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1607 event pairs, 129 based on Foata normal form. 12/293 useless extension candidates. Maximal degree in co-relation 551. Up to 232 conditions per place. [2024-11-28 02:47:41,212 INFO L140 encePairwiseOnDemand]: 33/35 looper letters, 14 selfloop transitions, 1 changer transitions 1/27 dead transitions. [2024-11-28 02:47:41,212 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 27 transitions, 94 flow [2024-11-28 02:47:41,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:47:41,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:47:41,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 56 transitions. [2024-11-28 02:47:41,214 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5333333333333333 [2024-11-28 02:47:41,215 INFO L175 Difference]: Start difference. First operand has 36 places, 28 transitions, 64 flow. Second operand 3 states and 56 transitions. [2024-11-28 02:47:41,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 27 transitions, 94 flow [2024-11-28 02:47:41,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 27 transitions, 90 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:47:41,217 INFO L231 Difference]: Finished difference. Result has 34 places, 26 transitions, 58 flow [2024-11-28 02:47:41,217 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=58, PETRI_PLACES=34, PETRI_TRANSITIONS=26} [2024-11-28 02:47:41,218 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, -4 predicate places. [2024-11-28 02:47:41,218 INFO L471 AbstractCegarLoop]: Abstraction has has 34 places, 26 transitions, 58 flow [2024-11-28 02:47:41,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:41,219 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:41,219 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:41,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:47:41,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:41,420 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:41,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:41,421 INFO L85 PathProgramCache]: Analyzing trace with hash -580686552, now seen corresponding path program 1 times [2024-11-28 02:47:41,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:41,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [259704287] [2024-11-28 02:47:41,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:41,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:41,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:41,426 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:47:41,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:47:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:41,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:47:41,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:41,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:41,577 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:41,577 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:41,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259704287] [2024-11-28 02:47:41,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259704287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:41,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:41,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:47:41,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507770439] [2024-11-28 02:47:41,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:41,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:47:41,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:41,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:47:41,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:47:41,591 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 35 [2024-11-28 02:47:41,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 26 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:41,592 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:41,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 35 [2024-11-28 02:47:41,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:41,825 INFO L124 PetriNetUnfolderBase]: 180/382 cut-off events. [2024-11-28 02:47:41,826 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:47:41,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 729 conditions, 382 events. 180/382 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1828 event pairs, 24 based on Foata normal form. 20/396 useless extension candidates. Maximal degree in co-relation 723. Up to 199 conditions per place. [2024-11-28 02:47:41,830 INFO L140 encePairwiseOnDemand]: 30/35 looper letters, 29 selfloop transitions, 4 changer transitions 1/42 dead transitions. [2024-11-28 02:47:41,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 42 transitions, 160 flow [2024-11-28 02:47:41,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:47:41,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 02:47:41,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 80 transitions. [2024-11-28 02:47:41,832 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5714285714285714 [2024-11-28 02:47:41,832 INFO L175 Difference]: Start difference. First operand has 34 places, 26 transitions, 58 flow. Second operand 4 states and 80 transitions. [2024-11-28 02:47:41,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 42 transitions, 160 flow [2024-11-28 02:47:41,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 42 transitions, 159 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:47:41,835 INFO L231 Difference]: Finished difference. Result has 37 places, 28 transitions, 83 flow [2024-11-28 02:47:41,835 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=83, PETRI_PLACES=37, PETRI_TRANSITIONS=28} [2024-11-28 02:47:41,836 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, -1 predicate places. [2024-11-28 02:47:41,836 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 28 transitions, 83 flow [2024-11-28 02:47:41,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:41,837 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:41,837 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:41,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:42,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:42,038 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:42,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:42,038 INFO L85 PathProgramCache]: Analyzing trace with hash -660019055, now seen corresponding path program 1 times [2024-11-28 02:47:42,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:42,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1444764977] [2024-11-28 02:47:42,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:42,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:42,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:42,041 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:47:42,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:47:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:42,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:47:42,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:42,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:42,206 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:42,206 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:42,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444764977] [2024-11-28 02:47:42,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444764977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:42,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:42,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:47:42,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904504570] [2024-11-28 02:47:42,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:42,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:47:42,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:42,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:47:42,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:47:42,212 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 35 [2024-11-28 02:47:42,212 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 28 transitions, 83 flow. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 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) [2024-11-28 02:47:42,212 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:42,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 35 [2024-11-28 02:47:42,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:42,403 INFO L124 PetriNetUnfolderBase]: 88/194 cut-off events. [2024-11-28 02:47:42,403 INFO L125 PetriNetUnfolderBase]: For 55/55 co-relation queries the response was YES. [2024-11-28 02:47:42,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 458 conditions, 194 events. 88/194 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 655 event pairs, 16 based on Foata normal form. 14/202 useless extension candidates. Maximal degree in co-relation 449. Up to 71 conditions per place. [2024-11-28 02:47:42,407 INFO L140 encePairwiseOnDemand]: 30/35 looper letters, 25 selfloop transitions, 6 changer transitions 1/40 dead transitions. [2024-11-28 02:47:42,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 40 transitions, 176 flow [2024-11-28 02:47:42,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:47:42,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 02:47:42,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 89 transitions. [2024-11-28 02:47:42,412 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5085714285714286 [2024-11-28 02:47:42,413 INFO L175 Difference]: Start difference. First operand has 37 places, 28 transitions, 83 flow. Second operand 5 states and 89 transitions. [2024-11-28 02:47:42,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 40 transitions, 176 flow [2024-11-28 02:47:42,415 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 40 transitions, 167 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-28 02:47:42,416 INFO L231 Difference]: Finished difference. Result has 41 places, 28 transitions, 99 flow [2024-11-28 02:47:42,417 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=99, PETRI_PLACES=41, PETRI_TRANSITIONS=28} [2024-11-28 02:47:42,418 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 3 predicate places. [2024-11-28 02:47:42,419 INFO L471 AbstractCegarLoop]: Abstraction has has 41 places, 28 transitions, 99 flow [2024-11-28 02:47:42,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 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) [2024-11-28 02:47:42,419 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:42,420 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:42,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 02:47:42,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:42,620 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:42,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:42,621 INFO L85 PathProgramCache]: Analyzing trace with hash 2058799370, now seen corresponding path program 1 times [2024-11-28 02:47:42,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:42,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1751248452] [2024-11-28 02:47:42,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:47:42,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:42,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:42,625 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:47:42,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 02:47:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:47:42,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 02:47:42,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:43,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:43,355 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:43,355 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:43,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751248452] [2024-11-28 02:47:43,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751248452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:43,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:43,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:47:43,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486853903] [2024-11-28 02:47:43,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:43,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 02:47:43,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:43,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 02:47:43,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-28 02:47:43,397 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 35 [2024-11-28 02:47:43,398 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 28 transitions, 99 flow. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:43,398 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:43,398 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 35 [2024-11-28 02:47:43,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:43,861 INFO L124 PetriNetUnfolderBase]: 185/397 cut-off events. [2024-11-28 02:47:43,861 INFO L125 PetriNetUnfolderBase]: For 215/215 co-relation queries the response was YES. [2024-11-28 02:47:43,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 978 conditions, 397 events. 185/397 cut-off events. For 215/215 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1594 event pairs, 51 based on Foata normal form. 8/401 useless extension candidates. Maximal degree in co-relation 967. Up to 129 conditions per place. [2024-11-28 02:47:43,864 INFO L140 encePairwiseOnDemand]: 26/35 looper letters, 24 selfloop transitions, 7 changer transitions 40/77 dead transitions. [2024-11-28 02:47:43,864 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 77 transitions, 391 flow [2024-11-28 02:47:43,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:47:43,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-28 02:47:43,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 181 transitions. [2024-11-28 02:47:43,866 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.430952380952381 [2024-11-28 02:47:43,866 INFO L175 Difference]: Start difference. First operand has 41 places, 28 transitions, 99 flow. Second operand 12 states and 181 transitions. [2024-11-28 02:47:43,866 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 77 transitions, 391 flow [2024-11-28 02:47:43,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 77 transitions, 325 flow, removed 14 selfloop flow, removed 6 redundant places. [2024-11-28 02:47:43,870 INFO L231 Difference]: Finished difference. Result has 54 places, 30 transitions, 111 flow [2024-11-28 02:47:43,870 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=111, PETRI_PLACES=54, PETRI_TRANSITIONS=30} [2024-11-28 02:47:43,871 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 16 predicate places. [2024-11-28 02:47:43,871 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 30 transitions, 111 flow [2024-11-28 02:47:43,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 10 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:43,871 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:43,871 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:43,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:44,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:44,075 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:44,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:44,076 INFO L85 PathProgramCache]: Analyzing trace with hash -14361552, now seen corresponding path program 2 times [2024-11-28 02:47:44,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:44,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [943179987] [2024-11-28 02:47:44,077 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:47:44,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:44,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:44,080 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:47:44,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 02:47:44,171 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:47:44,171 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:47:44,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 02:47:44,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:47:44,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:47:44,505 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:47:44,506 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:47:44,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943179987] [2024-11-28 02:47:44,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943179987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:47:44,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:47:44,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:47:44,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514145964] [2024-11-28 02:47:44,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:47:44,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:47:44,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:47:44,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:47:44,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:47:44,525 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 35 [2024-11-28 02:47:44,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 30 transitions, 111 flow. Second operand has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 9 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:44,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:47:44,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 35 [2024-11-28 02:47:44,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:47:44,764 INFO L124 PetriNetUnfolderBase]: 83/207 cut-off events. [2024-11-28 02:47:44,764 INFO L125 PetriNetUnfolderBase]: For 64/66 co-relation queries the response was YES. [2024-11-28 02:47:44,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 207 events. 83/207 cut-off events. For 64/66 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 725 event pairs, 37 based on Foata normal form. 4/201 useless extension candidates. Maximal degree in co-relation 463. Up to 94 conditions per place. [2024-11-28 02:47:44,766 INFO L140 encePairwiseOnDemand]: 28/35 looper letters, 17 selfloop transitions, 3 changer transitions 15/46 dead transitions. [2024-11-28 02:47:44,766 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 46 transitions, 220 flow [2024-11-28 02:47:44,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:47:44,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 02:47:44,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 118 transitions. [2024-11-28 02:47:44,767 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4816326530612245 [2024-11-28 02:47:44,768 INFO L175 Difference]: Start difference. First operand has 54 places, 30 transitions, 111 flow. Second operand 7 states and 118 transitions. [2024-11-28 02:47:44,768 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 46 transitions, 220 flow [2024-11-28 02:47:44,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 46 transitions, 182 flow, removed 14 selfloop flow, removed 10 redundant places. [2024-11-28 02:47:44,770 INFO L231 Difference]: Finished difference. Result has 47 places, 28 transitions, 91 flow [2024-11-28 02:47:44,770 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=83, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=91, PETRI_PLACES=47, PETRI_TRANSITIONS=28} [2024-11-28 02:47:44,771 INFO L279 CegarLoopForPetriNet]: 38 programPoint places, 9 predicate places. [2024-11-28 02:47:44,771 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 28 transitions, 91 flow [2024-11-28 02:47:44,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.666666666666666) internal successors, (123), 9 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:47:44,772 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:47:44,772 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:47:44,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 02:47:44,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:44,973 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:47:44,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:47:44,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1839995040, now seen corresponding path program 3 times [2024-11-28 02:47:44,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:47:44,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1555509863] [2024-11-28 02:47:44,975 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 02:47:44,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:44,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:47:44,977 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:47:44,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 02:47:45,074 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 02:47:45,074 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-28 02:47:45,075 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:47:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:47:45,173 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-28 02:47:45,173 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:47:45,174 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-11-28 02:47:45,176 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-11-28 02:47:45,176 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2024-11-28 02:47:45,176 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-11-28 02:47:45,176 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-11-28 02:47:45,177 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining) [2024-11-28 02:47:45,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-28 02:47:45,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:47:45,378 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2024-11-28 02:47:45,441 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:47:45,441 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:47:45,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:47:45 BasicIcfg [2024-11-28 02:47:45,448 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:47:45,449 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:47:45,449 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:47:45,450 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:47:45,450 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:47:39" (3/4) ... [2024-11-28 02:47:45,452 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:47:45,453 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:47:45,453 INFO L158 Benchmark]: Toolchain (without parser) took 7851.44ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 92.0MB in the beginning and 117.9MB in the end (delta: -25.9MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2024-11-28 02:47:45,454 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:45,454 INFO L158 Benchmark]: CACSL2BoogieTranslator took 769.20ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 69.0MB in the end (delta: 23.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 02:47:45,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.57ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 66.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:45,454 INFO L158 Benchmark]: Boogie Preprocessor took 65.93ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 64.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:45,455 INFO L158 Benchmark]: RCFGBuilder took 1126.58ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 51.2MB in the end (delta: 12.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-11-28 02:47:45,455 INFO L158 Benchmark]: TraceAbstraction took 5798.92ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 50.7MB in the beginning and 118.0MB in the end (delta: -67.2MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2024-11-28 02:47:45,455 INFO L158 Benchmark]: Witness Printer took 3.52ms. Allocated memory is still 234.9MB. Free memory was 118.0MB in the beginning and 117.9MB in the end (delta: 45.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:47:45,460 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 769.20ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 69.0MB in the end (delta: 23.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.57ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 66.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 65.93ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 64.0MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1126.58ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 51.2MB in the end (delta: 12.8MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5798.92ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 50.7MB in the beginning and 118.0MB in the end (delta: -67.2MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * Witness Printer took 3.52ms. Allocated memory is still 234.9MB. Free memory was 118.0MB in the beginning and 117.9MB in the end (delta: 45.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L709] 0 _Bool main$tmp_guard0; [L710] 0 _Bool main$tmp_guard1; [L712] 0 int x = 0; [L713] 0 _Bool x$flush_delayed; [L714] 0 int x$mem_tmp; [L715] 0 _Bool x$r_buff0_thd0; [L716] 0 _Bool x$r_buff0_thd1; [L717] 0 _Bool x$r_buff0_thd2; [L718] 0 _Bool x$r_buff1_thd0; [L719] 0 _Bool x$r_buff1_thd1; [L720] 0 _Bool x$r_buff1_thd2; [L721] 0 _Bool x$read_delayed; [L722] 0 int *x$read_delayed_var; [L723] 0 int x$w_buff0; [L724] 0 _Bool x$w_buff0_used; [L725] 0 int x$w_buff1; [L726] 0 _Bool x$w_buff1_used; [L728] 0 int y = 0; [L729] 0 _Bool weak$$choice0; [L730] 0 _Bool weak$$choice2; [L790] 0 pthread_t t2475; [L791] FCALL, FORK 0 pthread_create(&t2475, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, t2475=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L792] 0 pthread_t t2476; [L793] FCALL, FORK 0 pthread_create(&t2476, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, main$tmp_guard0=0, main$tmp_guard1=0, t2475=0, t2476=1, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L754] 2 x$w_buff1 = x$w_buff0 [L755] 2 x$w_buff0 = 2 [L756] 2 x$w_buff1_used = x$w_buff0_used [L757] 2 x$w_buff0_used = (_Bool)1 [L758] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L18] COND FALSE 2 !(!expression) [L758] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L759] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L760] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L761] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L762] 2 x$r_buff0_thd2 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L765] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1] [L734] 1 y = 2 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2] [L737] 1 x = 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L740] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L741] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L742] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L743] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L744] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L768] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L769] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L770] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L771] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L772] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L775] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L747] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L795] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2475=0, t2476=1, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L797] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L797] RET 0 assume_abort_if_not(main$tmp_guard0) [L799] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L800] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L801] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L802] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L803] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2475=0, t2476=1, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L806] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L807] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L808] 0 x$flush_delayed = weak$$choice2 [L809] 0 x$mem_tmp = x [L810] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L811] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L812] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L813] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L814] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L815] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L816] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L817] 0 main$tmp_guard1 = !(x == 2 && y == 2) [L818] 0 x = x$flush_delayed ? x$mem_tmp : x [L819] 0 x$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t2475=0, t2476=1, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L821] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L17] 0 __assert_fail ("0", "safe029_power.opt_pso.opt_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 788]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 793]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 791]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 51 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.6s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 168 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 153 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 607 IncrementalHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 9 mSDtfsCounter, 607 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=5, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 90 ConstructedInterpolants, 0 QuantifiedInterpolants, 404 SizeOfPredicates, 13 NumberOfNonLiveVariables, 508 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:47:45,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5283806-596a-4ef1-bced-fcd948cba8db/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample