./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe004_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_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/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_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/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_e961cc99-fc0a-4935-b1af-c76ddff46053/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 ad7a565ad4ebe037ce541fa36cdf85746d072cc2b5132ab8ae2e3025ff70fea5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:23:06,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:23:06,573 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-28 02:23:06,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:23:06,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:23:06,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:23:06,614 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:23:06,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:23:06,615 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:23:06,615 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:23:06,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:23:06,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:23:06,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:23:06,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:23:06,616 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:23:06,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:23:06,617 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:23:06,617 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:23:06,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:23:06,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:23:06,617 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 02:23:06,617 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 02:23:06,618 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 02:23:06,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:23:06,618 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:23:06,618 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:23:06,618 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:23:06,619 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:23:06,619 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:23:06,619 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:23:06,619 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:23:06,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:23:06,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:23:06,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:23:06,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:23:06,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:23:06,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:23:06,621 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:23:06,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:23:06,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:23:06,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:23:06,621 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:23:06,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:23:06,621 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:23:06,621 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:23:06,622 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:23:06,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:23:06,622 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_e961cc99-fc0a-4935-b1af-c76ddff46053/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 -> ad7a565ad4ebe037ce541fa36cdf85746d072cc2b5132ab8ae2e3025ff70fea5 [2024-11-28 02:23:07,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:23:07,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:23:07,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:23:07,051 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:23:07,052 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:23:07,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i [2024-11-28 02:23:10,648 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/data/ac9906c60/6854b36d83354a379b34440c4ade2d8f/FLAG212734ce5 [2024-11-28 02:23:11,052 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:23:11,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i [2024-11-28 02:23:11,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/data/ac9906c60/6854b36d83354a379b34440c4ade2d8f/FLAG212734ce5 [2024-11-28 02:23:11,104 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/data/ac9906c60/6854b36d83354a379b34440c4ade2d8f [2024-11-28 02:23:11,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:23:11,108 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:23:11,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:23:11,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:23:11,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:23:11,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:23:11" (1/1) ... [2024-11-28 02:23:11,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b50b7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:11, skipping insertion in model container [2024-11-28 02:23:11,123 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:23:11" (1/1) ... [2024-11-28 02:23:11,168 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:23:11,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:23:11,628 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:23:11,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:23:11,811 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:23:11,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:11 WrapperNode [2024-11-28 02:23:11,813 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:23:11,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:23:11,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:23:11,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:23:11,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:11" (1/1) ... [2024-11-28 02:23:11,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:11" (1/1) ... [2024-11-28 02:23:11,897 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 137 [2024-11-28 02:23:11,898 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:23:11,899 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:23:11,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:23:11,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:23:11,911 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:11" (1/1) ... [2024-11-28 02:23:11,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:11" (1/1) ... [2024-11-28 02:23:11,915 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:11" (1/1) ... [2024-11-28 02:23:11,947 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 02:23:11,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:11" (1/1) ... [2024-11-28 02:23:11,948 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:11" (1/1) ... [2024-11-28 02:23:11,958 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:11" (1/1) ... [2024-11-28 02:23:11,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:11" (1/1) ... [2024-11-28 02:23:11,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:11" (1/1) ... [2024-11-28 02:23:11,964 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:11" (1/1) ... [2024-11-28 02:23:11,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:11" (1/1) ... [2024-11-28 02:23:11,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:23:11,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:23:11,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:23:11,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:23:11,979 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:11" (1/1) ... [2024-11-28 02:23:11,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:23:12,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:23:12,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:23:12,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:23:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 02:23:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:23:12,077 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 02:23:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 02:23:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 02:23:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 02:23:12,078 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-28 02:23:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-28 02:23:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:23:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 02:23:12,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:23:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:23:12,080 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 02:23:12,277 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:23:12,279 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:23:12,782 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:23:12,782 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:23:13,241 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:23:13,242 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:23:13,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:23:13 BoogieIcfgContainer [2024-11-28 02:23:13,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:23:13,247 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:23:13,247 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:23:13,253 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:23:13,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:23:11" (1/3) ... [2024-11-28 02:23:13,255 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495aca1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:23:13, skipping insertion in model container [2024-11-28 02:23:13,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:11" (2/3) ... [2024-11-28 02:23:13,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495aca1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:23:13, skipping insertion in model container [2024-11-28 02:23:13,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:23:13" (3/3) ... [2024-11-28 02:23:13,260 INFO L128 eAbstractionObserver]: Analyzing ICFG safe004_power.opt_pso.opt_rmo.opt.i [2024-11-28 02:23:13,278 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:23:13,280 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe004_power.opt_pso.opt_rmo.opt.i that has 4 procedures, 43 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-28 02:23:13,281 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:23:13,364 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 02:23:13,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 44 transitions, 100 flow [2024-11-28 02:23:13,468 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2024-11-28 02:23:13,473 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:23:13,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 41 events. 2/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 78 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2024-11-28 02:23:13,481 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 44 transitions, 100 flow [2024-11-28 02:23:13,485 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 41 transitions, 91 flow [2024-11-28 02:23:13,495 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:23:13,509 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;@7d89ad56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:23:13,509 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-28 02:23:13,516 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:23:13,516 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-11-28 02:23:13,516 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:23:13,516 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:13,517 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 02:23:13,517 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:13,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:13,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1414063623, now seen corresponding path program 1 times [2024-11-28 02:23:13,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:23:13,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202494318] [2024-11-28 02:23:13,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:13,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:23:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:23:14,234 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 02:23:14,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:23:14,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202494318] [2024-11-28 02:23:14,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202494318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:14,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:14,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 02:23:14,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891321213] [2024-11-28 02:23:14,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:14,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:23:14,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:23:14,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:23:14,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:23:14,286 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 44 [2024-11-28 02:23:14,289 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 02:23:14,289 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:23:14,290 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 44 [2024-11-28 02:23:14,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:23:14,921 INFO L124 PetriNetUnfolderBase]: 678/1271 cut-off events. [2024-11-28 02:23:14,922 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-28 02:23:14,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2341 conditions, 1271 events. 678/1271 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 8174 event pairs, 108 based on Foata normal form. 72/1330 useless extension candidates. Maximal degree in co-relation 2330. Up to 832 conditions per place. [2024-11-28 02:23:14,948 INFO L140 encePairwiseOnDemand]: 39/44 looper letters, 31 selfloop transitions, 2 changer transitions 2/51 dead transitions. [2024-11-28 02:23:14,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 51 transitions, 184 flow [2024-11-28 02:23:14,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:23:14,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:23:14,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions. [2024-11-28 02:23:14,973 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7348484848484849 [2024-11-28 02:23:14,976 INFO L175 Difference]: Start difference. First operand has 49 places, 41 transitions, 91 flow. Second operand 3 states and 97 transitions. [2024-11-28 02:23:14,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 51 transitions, 184 flow [2024-11-28 02:23:14,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 51 transitions, 180 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-28 02:23:14,989 INFO L231 Difference]: Finished difference. Result has 46 places, 36 transitions, 82 flow [2024-11-28 02:23:14,994 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=46, PETRI_TRANSITIONS=36} [2024-11-28 02:23:15,001 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2024-11-28 02:23:15,003 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 36 transitions, 82 flow [2024-11-28 02:23:15,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 02:23:15,003 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:15,003 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:15,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:23:15,004 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:15,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:15,006 INFO L85 PathProgramCache]: Analyzing trace with hash -533648435, now seen corresponding path program 1 times [2024-11-28 02:23:15,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:23:15,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406537481] [2024-11-28 02:23:15,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:15,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:23:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:23:15,210 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 02:23:15,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:23:15,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406537481] [2024-11-28 02:23:15,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406537481] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:15,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:15,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 02:23:15,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473001119] [2024-11-28 02:23:15,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:15,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:23:15,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:23:15,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:23:15,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:23:15,214 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 44 [2024-11-28 02:23:15,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 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 02:23:15,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:23:15,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 44 [2024-11-28 02:23:15,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:23:15,645 INFO L124 PetriNetUnfolderBase]: 603/1127 cut-off events. [2024-11-28 02:23:15,646 INFO L125 PetriNetUnfolderBase]: For 78/78 co-relation queries the response was YES. [2024-11-28 02:23:15,652 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2163 conditions, 1127 events. 603/1127 cut-off events. For 78/78 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 7146 event pairs, 603 based on Foata normal form. 36/1129 useless extension candidates. Maximal degree in co-relation 2153. Up to 922 conditions per place. [2024-11-28 02:23:15,662 INFO L140 encePairwiseOnDemand]: 42/44 looper letters, 18 selfloop transitions, 1 changer transitions 1/35 dead transitions. [2024-11-28 02:23:15,662 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 35 transitions, 120 flow [2024-11-28 02:23:15,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:23:15,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:23:15,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2024-11-28 02:23:15,666 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5681818181818182 [2024-11-28 02:23:15,666 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 82 flow. Second operand 3 states and 75 transitions. [2024-11-28 02:23:15,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 35 transitions, 120 flow [2024-11-28 02:23:15,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 116 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:23:15,671 INFO L231 Difference]: Finished difference. Result has 44 places, 34 transitions, 76 flow [2024-11-28 02:23:15,671 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=44, PETRI_TRANSITIONS=34} [2024-11-28 02:23:15,672 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -5 predicate places. [2024-11-28 02:23:15,672 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 76 flow [2024-11-28 02:23:15,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 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 02:23:15,673 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:15,673 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:15,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:23:15,673 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:15,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:15,674 INFO L85 PathProgramCache]: Analyzing trace with hash -533646914, now seen corresponding path program 1 times [2024-11-28 02:23:15,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:23:15,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192539456] [2024-11-28 02:23:15,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:15,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:23:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:23:16,220 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 02:23:16,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:23:16,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192539456] [2024-11-28 02:23:16,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192539456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:16,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:16,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:23:16,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592474040] [2024-11-28 02:23:16,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:16,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:23:16,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:23:16,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:23:16,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:23:16,242 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-28 02:23:16,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 76 flow. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 02:23:16,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:23:16,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-28 02:23:16,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:23:16,869 INFO L124 PetriNetUnfolderBase]: 1361/2287 cut-off events. [2024-11-28 02:23:16,869 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:23:16,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4399 conditions, 2287 events. 1361/2287 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 13680 event pairs, 147 based on Foata normal form. 80/2338 useless extension candidates. Maximal degree in co-relation 4393. Up to 1297 conditions per place. [2024-11-28 02:23:16,891 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 40 selfloop transitions, 5 changer transitions 1/57 dead transitions. [2024-11-28 02:23:16,891 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 57 transitions, 218 flow [2024-11-28 02:23:16,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:23:16,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 02:23:16,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 108 transitions. [2024-11-28 02:23:16,893 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6136363636363636 [2024-11-28 02:23:16,893 INFO L175 Difference]: Start difference. First operand has 44 places, 34 transitions, 76 flow. Second operand 4 states and 108 transitions. [2024-11-28 02:23:16,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 57 transitions, 218 flow [2024-11-28 02:23:16,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 57 transitions, 217 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:23:16,899 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 109 flow [2024-11-28 02:23:16,899 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=109, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-11-28 02:23:16,900 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -2 predicate places. [2024-11-28 02:23:16,900 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 109 flow [2024-11-28 02:23:16,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 02:23:16,901 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:16,901 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 02:23:16,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:23:16,901 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:16,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:16,902 INFO L85 PathProgramCache]: Analyzing trace with hash 709922759, now seen corresponding path program 1 times [2024-11-28 02:23:16,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:23:16,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976055712] [2024-11-28 02:23:16,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:16,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:23:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:23:17,412 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 02:23:17,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:23:17,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976055712] [2024-11-28 02:23:17,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976055712] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:17,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:17,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:23:17,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771438872] [2024-11-28 02:23:17,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:17,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:23:17,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:23:17,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:23:17,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:23:17,433 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-28 02:23:17,434 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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 02:23:17,434 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:23:17,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-28 02:23:17,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:23:17,947 INFO L124 PetriNetUnfolderBase]: 877/1503 cut-off events. [2024-11-28 02:23:17,947 INFO L125 PetriNetUnfolderBase]: For 376/376 co-relation queries the response was YES. [2024-11-28 02:23:17,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3426 conditions, 1503 events. 877/1503 cut-off events. For 376/376 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 8047 event pairs, 73 based on Foata normal form. 68/1549 useless extension candidates. Maximal degree in co-relation 3417. Up to 625 conditions per place. [2024-11-28 02:23:17,961 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 50 selfloop transitions, 8 changer transitions 1/70 dead transitions. [2024-11-28 02:23:17,961 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 70 transitions, 314 flow [2024-11-28 02:23:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:23:17,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 02:23:17,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 136 transitions. [2024-11-28 02:23:17,966 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6181818181818182 [2024-11-28 02:23:17,966 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 109 flow. Second operand 5 states and 136 transitions. [2024-11-28 02:23:17,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 70 transitions, 314 flow [2024-11-28 02:23:17,968 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 70 transitions, 304 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-28 02:23:17,972 INFO L231 Difference]: Finished difference. Result has 51 places, 40 transitions, 149 flow [2024-11-28 02:23:17,973 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=149, PETRI_PLACES=51, PETRI_TRANSITIONS=40} [2024-11-28 02:23:17,974 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 2 predicate places. [2024-11-28 02:23:17,975 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 40 transitions, 149 flow [2024-11-28 02:23:17,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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 02:23:17,975 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:17,975 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:17,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:23:17,976 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:17,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:17,979 INFO L85 PathProgramCache]: Analyzing trace with hash 2044561632, now seen corresponding path program 1 times [2024-11-28 02:23:17,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:23:17,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796530894] [2024-11-28 02:23:17,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:17,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:23:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:23:18,675 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 02:23:18,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:23:18,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796530894] [2024-11-28 02:23:18,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796530894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:18,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:18,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:23:18,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014431448] [2024-11-28 02:23:18,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:18,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:23:18,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:23:18,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:23:18,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:23:18,684 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-28 02:23:18,684 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 40 transitions, 149 flow. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 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 02:23:18,684 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:23:18,684 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-28 02:23:18,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:23:19,039 INFO L124 PetriNetUnfolderBase]: 489/831 cut-off events. [2024-11-28 02:23:19,040 INFO L125 PetriNetUnfolderBase]: For 677/677 co-relation queries the response was YES. [2024-11-28 02:23:19,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2164 conditions, 831 events. 489/831 cut-off events. For 677/677 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 3689 event pairs, 59 based on Foata normal form. 36/845 useless extension candidates. Maximal degree in co-relation 2153. Up to 268 conditions per place. [2024-11-28 02:23:19,048 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 44 selfloop transitions, 11 changer transitions 1/67 dead transitions. [2024-11-28 02:23:19,049 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 67 transitions, 325 flow [2024-11-28 02:23:19,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:23:19,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:23:19,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 148 transitions. [2024-11-28 02:23:19,052 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5606060606060606 [2024-11-28 02:23:19,052 INFO L175 Difference]: Start difference. First operand has 51 places, 40 transitions, 149 flow. Second operand 6 states and 148 transitions. [2024-11-28 02:23:19,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 67 transitions, 325 flow [2024-11-28 02:23:19,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 67 transitions, 300 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-11-28 02:23:19,063 INFO L231 Difference]: Finished difference. Result has 54 places, 40 transitions, 163 flow [2024-11-28 02:23:19,064 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=163, PETRI_PLACES=54, PETRI_TRANSITIONS=40} [2024-11-28 02:23:19,065 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 5 predicate places. [2024-11-28 02:23:19,067 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 40 transitions, 163 flow [2024-11-28 02:23:19,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 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 02:23:19,067 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:19,068 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:19,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:23:19,068 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:19,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:19,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1622929970, now seen corresponding path program 1 times [2024-11-28 02:23:19,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:23:19,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691205087] [2024-11-28 02:23:19,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:19,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:23:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:23:20,348 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 02:23:20,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:23:20,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691205087] [2024-11-28 02:23:20,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691205087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:20,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:20,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:23:20,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113290481] [2024-11-28 02:23:20,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:20,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:23:20,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:23:20,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:23:20,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:23:20,376 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-28 02:23:20,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 40 transitions, 163 flow. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 6 states have internal predecessors, (110), 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 02:23:20,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:23:20,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-28 02:23:20,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:23:20,950 INFO L124 PetriNetUnfolderBase]: 979/1753 cut-off events. [2024-11-28 02:23:20,950 INFO L125 PetriNetUnfolderBase]: For 710/718 co-relation queries the response was YES. [2024-11-28 02:23:20,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4049 conditions, 1753 events. 979/1753 cut-off events. For 710/718 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 9941 event pairs, 200 based on Foata normal form. 8/1724 useless extension candidates. Maximal degree in co-relation 4037. Up to 734 conditions per place. [2024-11-28 02:23:20,961 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 34 selfloop transitions, 10 changer transitions 16/77 dead transitions. [2024-11-28 02:23:20,961 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 77 transitions, 371 flow [2024-11-28 02:23:20,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:23:20,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:23:20,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 151 transitions. [2024-11-28 02:23:20,963 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.571969696969697 [2024-11-28 02:23:20,963 INFO L175 Difference]: Start difference. First operand has 54 places, 40 transitions, 163 flow. Second operand 6 states and 151 transitions. [2024-11-28 02:23:20,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 77 transitions, 371 flow [2024-11-28 02:23:20,975 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 77 transitions, 307 flow, removed 14 selfloop flow, removed 8 redundant places. [2024-11-28 02:23:20,976 INFO L231 Difference]: Finished difference. Result has 56 places, 47 transitions, 179 flow [2024-11-28 02:23:20,976 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=179, PETRI_PLACES=56, PETRI_TRANSITIONS=47} [2024-11-28 02:23:20,977 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 7 predicate places. [2024-11-28 02:23:20,977 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 47 transitions, 179 flow [2024-11-28 02:23:20,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 6 states have internal predecessors, (110), 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 02:23:20,978 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:20,978 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:20,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:23:20,978 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:20,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:20,979 INFO L85 PathProgramCache]: Analyzing trace with hash -59192640, now seen corresponding path program 2 times [2024-11-28 02:23:20,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:23:20,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995343062] [2024-11-28 02:23:20,980 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:23:20,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:23:21,114 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:23:21,115 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:23:22,051 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 02:23:22,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:23:22,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995343062] [2024-11-28 02:23:22,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995343062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:22,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:22,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:23:22,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352218856] [2024-11-28 02:23:22,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:22,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:23:22,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:23:22,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:23:22,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:23:22,082 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-28 02:23:22,083 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 47 transitions, 179 flow. Second operand has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:23:22,083 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:23:22,083 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-28 02:23:22,083 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:23:22,644 INFO L124 PetriNetUnfolderBase]: 776/1449 cut-off events. [2024-11-28 02:23:22,644 INFO L125 PetriNetUnfolderBase]: For 486/488 co-relation queries the response was YES. [2024-11-28 02:23:22,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3631 conditions, 1449 events. 776/1449 cut-off events. For 486/488 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 7957 event pairs, 165 based on Foata normal form. 10/1431 useless extension candidates. Maximal degree in co-relation 3618. Up to 526 conditions per place. [2024-11-28 02:23:22,653 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 32 selfloop transitions, 12 changer transitions 26/87 dead transitions. [2024-11-28 02:23:22,654 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 87 transitions, 461 flow [2024-11-28 02:23:22,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:23:22,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 02:23:22,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 163 transitions. [2024-11-28 02:23:22,655 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5292207792207793 [2024-11-28 02:23:22,656 INFO L175 Difference]: Start difference. First operand has 56 places, 47 transitions, 179 flow. Second operand 7 states and 163 transitions. [2024-11-28 02:23:22,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 87 transitions, 461 flow [2024-11-28 02:23:22,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 87 transitions, 446 flow, removed 5 selfloop flow, removed 3 redundant places. [2024-11-28 02:23:22,662 INFO L231 Difference]: Finished difference. Result has 62 places, 49 transitions, 238 flow [2024-11-28 02:23:22,662 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=238, PETRI_PLACES=62, PETRI_TRANSITIONS=49} [2024-11-28 02:23:22,663 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 13 predicate places. [2024-11-28 02:23:22,663 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 49 transitions, 238 flow [2024-11-28 02:23:22,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:23:22,663 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:22,663 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:22,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:23:22,663 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:22,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:22,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1292447396, now seen corresponding path program 3 times [2024-11-28 02:23:22,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:23:22,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160455117] [2024-11-28 02:23:22,664 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 02:23:22,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:23:22,771 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 02:23:22,772 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:23:23,547 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 02:23:23,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:23:23,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160455117] [2024-11-28 02:23:23,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160455117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:23,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:23,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:23:23,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584114990] [2024-11-28 02:23:23,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:23,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:23:23,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:23:23,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:23:23,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:23:23,579 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-28 02:23:23,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 49 transitions, 238 flow. Second operand has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:23:23,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:23:23,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-28 02:23:23,579 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:23:24,298 INFO L124 PetriNetUnfolderBase]: 689/1286 cut-off events. [2024-11-28 02:23:24,298 INFO L125 PetriNetUnfolderBase]: For 946/946 co-relation queries the response was YES. [2024-11-28 02:23:24,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3641 conditions, 1286 events. 689/1286 cut-off events. For 946/946 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 6835 event pairs, 85 based on Foata normal form. 8/1260 useless extension candidates. Maximal degree in co-relation 3624. Up to 468 conditions per place. [2024-11-28 02:23:24,307 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 31 selfloop transitions, 14 changer transitions 26/88 dead transitions. [2024-11-28 02:23:24,307 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 88 transitions, 535 flow [2024-11-28 02:23:24,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:23:24,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-28 02:23:24,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 186 transitions. [2024-11-28 02:23:24,309 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5284090909090909 [2024-11-28 02:23:24,309 INFO L175 Difference]: Start difference. First operand has 62 places, 49 transitions, 238 flow. Second operand 8 states and 186 transitions. [2024-11-28 02:23:24,309 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 88 transitions, 535 flow [2024-11-28 02:23:24,312 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 88 transitions, 519 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-28 02:23:24,314 INFO L231 Difference]: Finished difference. Result has 68 places, 50 transitions, 287 flow [2024-11-28 02:23:24,314 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=287, PETRI_PLACES=68, PETRI_TRANSITIONS=50} [2024-11-28 02:23:24,315 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 19 predicate places. [2024-11-28 02:23:24,315 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 50 transitions, 287 flow [2024-11-28 02:23:24,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:23:24,316 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:24,316 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:24,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:23:24,316 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:24,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:24,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1637998610, now seen corresponding path program 4 times [2024-11-28 02:23:24,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:23:24,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234836095] [2024-11-28 02:23:24,317 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 02:23:24,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:23:24,451 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 02:23:24,451 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:23:27,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:23:27,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:23:27,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234836095] [2024-11-28 02:23:27,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234836095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:27,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:27,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 02:23:27,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752272476] [2024-11-28 02:23:27,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:27,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 02:23:27,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:23:27,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 02:23:27,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:23:27,816 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 44 [2024-11-28 02:23:27,817 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 50 transitions, 287 flow. Second operand has 11 states, 11 states have (on average 19.545454545454547) internal successors, (215), 11 states have internal predecessors, (215), 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 02:23:27,817 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:23:27,817 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 44 [2024-11-28 02:23:27,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:23:28,641 INFO L124 PetriNetUnfolderBase]: 670/1292 cut-off events. [2024-11-28 02:23:28,641 INFO L125 PetriNetUnfolderBase]: For 1304/1333 co-relation queries the response was YES. [2024-11-28 02:23:28,645 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3507 conditions, 1292 events. 670/1292 cut-off events. For 1304/1333 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 7149 event pairs, 262 based on Foata normal form. 36/1271 useless extension candidates. Maximal degree in co-relation 3487. Up to 345 conditions per place. [2024-11-28 02:23:28,650 INFO L140 encePairwiseOnDemand]: 36/44 looper letters, 40 selfloop transitions, 6 changer transitions 25/93 dead transitions. [2024-11-28 02:23:28,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 93 transitions, 617 flow [2024-11-28 02:23:28,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:23:28,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 02:23:28,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 183 transitions. [2024-11-28 02:23:28,652 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5941558441558441 [2024-11-28 02:23:28,652 INFO L175 Difference]: Start difference. First operand has 68 places, 50 transitions, 287 flow. Second operand 7 states and 183 transitions. [2024-11-28 02:23:28,652 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 93 transitions, 617 flow [2024-11-28 02:23:28,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 93 transitions, 574 flow, removed 8 selfloop flow, removed 5 redundant places. [2024-11-28 02:23:28,661 INFO L231 Difference]: Finished difference. Result has 71 places, 50 transitions, 290 flow [2024-11-28 02:23:28,663 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=290, PETRI_PLACES=71, PETRI_TRANSITIONS=50} [2024-11-28 02:23:28,664 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 22 predicate places. [2024-11-28 02:23:28,664 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 50 transitions, 290 flow [2024-11-28 02:23:28,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 19.545454545454547) internal successors, (215), 11 states have internal predecessors, (215), 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 02:23:28,665 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:28,665 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:28,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:23:28,665 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:28,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:28,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1123451368, now seen corresponding path program 5 times [2024-11-28 02:23:28,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:23:28,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535793092] [2024-11-28 02:23:28,666 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 02:23:28,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:23:28,794 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:23:28,794 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-28 02:23:28,794 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:23:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:23:28,955 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:23:28,955 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:23:28,957 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-28 02:23:28,961 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-28 02:23:28,961 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-28 02:23:28,962 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-28 02:23:28,962 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-28 02:23:28,962 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-11-28 02:23:28,962 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-28 02:23:28,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:23:28,967 INFO L422 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1] [2024-11-28 02:23:29,096 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:23:29,097 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:23:29,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:23:29 BasicIcfg [2024-11-28 02:23:29,103 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:23:29,103 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:23:29,103 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:23:29,104 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:23:29,104 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:23:13" (3/4) ... [2024-11-28 02:23:29,106 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:23:29,107 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:23:29,108 INFO L158 Benchmark]: Toolchain (without parser) took 17999.98ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 91.0MB in the beginning and 179.2MB in the end (delta: -88.1MB). Peak memory consumption was 123.1MB. Max. memory is 16.1GB. [2024-11-28 02:23:29,108 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:23:29,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 704.55ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 67.6MB in the end (delta: 23.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:23:29,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.43ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 65.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:23:29,109 INFO L158 Benchmark]: Boogie Preprocessor took 78.34ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 61.9MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:23:29,109 INFO L158 Benchmark]: RCFGBuilder took 1266.08ms. Allocated memory is still 117.4MB. Free memory was 61.9MB in the beginning and 63.4MB in the end (delta: -1.5MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-28 02:23:29,110 INFO L158 Benchmark]: TraceAbstraction took 15855.82ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 62.8MB in the beginning and 179.2MB in the end (delta: -116.4MB). Peak memory consumption was 92.1MB. Max. memory is 16.1GB. [2024-11-28 02:23:29,110 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 327.2MB. Free memory was 179.2MB in the beginning and 179.2MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:23:29,113 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 704.55ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 67.6MB in the end (delta: 23.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.43ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 65.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 78.34ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 61.9MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1266.08ms. Allocated memory is still 117.4MB. Free memory was 61.9MB in the beginning and 63.4MB in the end (delta: -1.5MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * TraceAbstraction took 15855.82ms. Allocated memory was 117.4MB in the beginning and 327.2MB in the end (delta: 209.7MB). Free memory was 62.8MB in the beginning and 179.2MB in the end (delta: -116.4MB). Peak memory consumption was 92.1MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 327.2MB. Free memory was 179.2MB in the beginning and 179.2MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L713] 0 int __unbuffered_p2_EBX = 0; [L714] 0 _Bool main$tmp_guard0; [L715] 0 _Bool main$tmp_guard1; [L717] 0 int x = 0; [L718] 0 _Bool x$flush_delayed; [L719] 0 int x$mem_tmp; [L720] 0 _Bool x$r_buff0_thd0; [L721] 0 _Bool x$r_buff0_thd1; [L722] 0 _Bool x$r_buff0_thd2; [L723] 0 _Bool x$r_buff0_thd3; [L724] 0 _Bool x$r_buff1_thd0; [L725] 0 _Bool x$r_buff1_thd1; [L726] 0 _Bool x$r_buff1_thd2; [L727] 0 _Bool x$r_buff1_thd3; [L728] 0 _Bool x$read_delayed; [L729] 0 int *x$read_delayed_var; [L730] 0 int x$w_buff0; [L731] 0 _Bool x$w_buff0_used; [L732] 0 int x$w_buff1; [L733] 0 _Bool x$w_buff1_used; [L735] 0 int y = 0; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L818] 0 pthread_t t1876; [L819] FCALL, FORK 0 pthread_create(&t1876, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1876=-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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L820] 0 pthread_t t1877; [L821] FCALL, FORK 0 pthread_create(&t1877, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1876=-2, t1877=-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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L822] 0 pthread_t t1878; [L823] FCALL, FORK 0 pthread_create(&t1878, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1876=-2, t1877=-1, t1878=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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L761] 2 x$w_buff1 = x$w_buff0 [L762] 2 x$w_buff0 = 2 [L763] 2 x$w_buff1_used = x$w_buff0_used [L764] 2 x$w_buff0_used = (_Bool)1 [L765] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L18] COND FALSE 2 !(!expression) [L765] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L766] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L767] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L768] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L769] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L770] 2 x$r_buff0_thd2 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L773] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L790] 3 __unbuffered_p2_EAX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L793] 3 __unbuffered_p2_EBX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, 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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L796] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L797] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L798] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L799] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L800] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, 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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L741] 1 y = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L744] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L776] 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) [L777] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L778] 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 [L779] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L780] 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}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L748] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L749] 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 [L750] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L751] 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}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L754] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L825] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1876=-2, t1877=-1, t1878=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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L827] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L827] RET 0 assume_abort_if_not(main$tmp_guard0) [L829] 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) [L830] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L831] 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 [L832] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L833] 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}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1876=-2, t1877=-1, t1878=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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L836] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L837] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L838] 0 x$flush_delayed = weak$$choice2 [L839] 0 x$mem_tmp = x [L840] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L841] 0 x$w_buff0 = weak$$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$w_buff0)) [L842] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L843] 0 x$w_buff0_used = weak$$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)) [L844] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L845] 0 x$r_buff0_thd0 = weak$$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)) [L846] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L847] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 1) [L848] 0 x = x$flush_delayed ? x$mem_tmp : x [L849] 0 x$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1876=-2, t1877=-1, t1878=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L851] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L17] 0 __assert_fail ("0", "safe004_power.opt_pso.opt_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, 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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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: 816]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 823]: 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: 819]: 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: 821]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 68 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 15.6s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 431 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 410 mSDsluCounter, 135 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 129 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1000 IncrementalHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 6 mSDtfsCounter, 1000 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=290occurred in iteration=9, InterpolantAutomatonStates: 49, 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, 1.2s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 1222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:23:29,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/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_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/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_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/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_e961cc99-fc0a-4935-b1af-c76ddff46053/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 ad7a565ad4ebe037ce541fa36cdf85746d072cc2b5132ab8ae2e3025ff70fea5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:23:32,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:23:32,463 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-28 02:23:32,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:23:32,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:23:32,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:23:32,506 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:23:32,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:23:32,507 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:23:32,507 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:23:32,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:23:32,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:23:32,508 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:23:32,508 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:23:32,508 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:23:32,509 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:23:32,509 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:23:32,509 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:23:32,509 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:23:32,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:23:32,510 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 02:23:32,510 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 02:23:32,510 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 02:23:32,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:23:32,510 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:23:32,510 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:23:32,511 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:23:32,511 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:23:32,511 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:23:32,511 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:23:32,511 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:23:32,512 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:23:32,512 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:23:32,512 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:23:32,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:23:32,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:23:32,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:23:32,513 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:23:32,513 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:23:32,513 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:23:32,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:23:32,514 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:23:32,514 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:23:32,514 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:23:32,514 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:23:32,514 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:23:32,514 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:23:32,515 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:23:32,515 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:23:32,515 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_e961cc99-fc0a-4935-b1af-c76ddff46053/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 -> ad7a565ad4ebe037ce541fa36cdf85746d072cc2b5132ab8ae2e3025ff70fea5 [2024-11-28 02:23:32,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:23:32,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:23:32,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:23:32,933 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:23:32,933 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:23:32,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i [2024-11-28 02:23:36,401 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/data/466c5a26f/4bc3d6ad18284ca4a83b2976f01006b5/FLAGb0ad3b13b [2024-11-28 02:23:36,786 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:23:36,790 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/sv-benchmarks/c/pthread-wmm/safe004_power.opt_pso.opt_rmo.opt.i [2024-11-28 02:23:36,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/data/466c5a26f/4bc3d6ad18284ca4a83b2976f01006b5/FLAGb0ad3b13b [2024-11-28 02:23:36,982 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/data/466c5a26f/4bc3d6ad18284ca4a83b2976f01006b5 [2024-11-28 02:23:36,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:23:36,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:23:36,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:23:36,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:23:36,997 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:23:36,998 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:23:36" (1/1) ... [2024-11-28 02:23:36,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@545d0930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:36, skipping insertion in model container [2024-11-28 02:23:37,000 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:23:36" (1/1) ... [2024-11-28 02:23:37,069 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:23:37,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:23:37,728 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:23:37,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:23:37,857 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:23:37,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:37 WrapperNode [2024-11-28 02:23:37,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:23:37,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:23:37,860 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:23:37,860 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:23:37,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:37" (1/1) ... [2024-11-28 02:23:37,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:37" (1/1) ... [2024-11-28 02:23:37,939 INFO L138 Inliner]: procedures = 176, calls = 43, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 138 [2024-11-28 02:23:37,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:23:37,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:23:37,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:23:37,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:23:37,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:37" (1/1) ... [2024-11-28 02:23:37,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:37" (1/1) ... [2024-11-28 02:23:37,968 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:37" (1/1) ... [2024-11-28 02:23:37,989 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 02:23:37,990 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:37" (1/1) ... [2024-11-28 02:23:37,990 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:37" (1/1) ... [2024-11-28 02:23:38,001 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:37" (1/1) ... [2024-11-28 02:23:38,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:37" (1/1) ... [2024-11-28 02:23:38,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:37" (1/1) ... [2024-11-28 02:23:38,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:37" (1/1) ... [2024-11-28 02:23:38,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:37" (1/1) ... [2024-11-28 02:23:38,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:23:38,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:23:38,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:23:38,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:23:38,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:37" (1/1) ... [2024-11-28 02:23:38,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:23:38,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:23:38,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:23:38,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:23:38,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 02:23:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:23:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:23:38,100 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 02:23:38,100 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 02:23:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 02:23:38,101 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 02:23:38,101 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-28 02:23:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-28 02:23:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 02:23:38,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:23:38,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:23:38,104 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 02:23:38,331 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:23:38,335 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:23:38,815 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:23:38,816 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:23:39,204 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:23:39,205 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:23:39,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:23:39 BoogieIcfgContainer [2024-11-28 02:23:39,207 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:23:39,210 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:23:39,210 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:23:39,218 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:23:39,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:23:36" (1/3) ... [2024-11-28 02:23:39,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f5aa87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:23:39, skipping insertion in model container [2024-11-28 02:23:39,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:23:37" (2/3) ... [2024-11-28 02:23:39,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19f5aa87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:23:39, skipping insertion in model container [2024-11-28 02:23:39,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:23:39" (3/3) ... [2024-11-28 02:23:39,224 INFO L128 eAbstractionObserver]: Analyzing ICFG safe004_power.opt_pso.opt_rmo.opt.i [2024-11-28 02:23:39,243 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:23:39,244 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe004_power.opt_pso.opt_rmo.opt.i that has 4 procedures, 43 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-28 02:23:39,245 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:23:39,352 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 02:23:39,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 44 transitions, 100 flow [2024-11-28 02:23:39,465 INFO L124 PetriNetUnfolderBase]: 2/41 cut-off events. [2024-11-28 02:23:39,468 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:23:39,474 INFO L83 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 41 events. 2/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 79 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2024-11-28 02:23:39,474 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 44 transitions, 100 flow [2024-11-28 02:23:39,481 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 41 transitions, 91 flow [2024-11-28 02:23:39,494 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:23:39,518 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;@362ac38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:23:39,519 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-28 02:23:39,529 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:23:39,531 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-11-28 02:23:39,531 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:23:39,531 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:39,532 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-28 02:23:39,533 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:39,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:39,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1353053513, now seen corresponding path program 1 times [2024-11-28 02:23:39,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:23:39,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [60156994] [2024-11-28 02:23:39,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:39,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:39,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:23:39,563 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:23:39,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:23:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:23:39,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:23:39,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:23:39,781 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 02:23:39,781 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:23:39,782 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:23:39,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60156994] [2024-11-28 02:23:39,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60156994] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:39,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:39,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 02:23:39,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940828617] [2024-11-28 02:23:39,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:39,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:23:39,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:23:39,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:23:39,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:23:39,841 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 44 [2024-11-28 02:23:39,845 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 91 flow. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 02:23:39,845 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:23:39,845 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 44 [2024-11-28 02:23:39,846 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:23:40,507 INFO L124 PetriNetUnfolderBase]: 678/1271 cut-off events. [2024-11-28 02:23:40,507 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-28 02:23:40,514 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2341 conditions, 1271 events. 678/1271 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 8121 event pairs, 108 based on Foata normal form. 72/1325 useless extension candidates. Maximal degree in co-relation 2330. Up to 832 conditions per place. [2024-11-28 02:23:40,526 INFO L140 encePairwiseOnDemand]: 39/44 looper letters, 31 selfloop transitions, 2 changer transitions 2/51 dead transitions. [2024-11-28 02:23:40,527 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 51 transitions, 184 flow [2024-11-28 02:23:40,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:23:40,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:23:40,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions. [2024-11-28 02:23:40,542 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7348484848484849 [2024-11-28 02:23:40,544 INFO L175 Difference]: Start difference. First operand has 49 places, 41 transitions, 91 flow. Second operand 3 states and 97 transitions. [2024-11-28 02:23:40,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 51 transitions, 184 flow [2024-11-28 02:23:40,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 51 transitions, 180 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-28 02:23:40,552 INFO L231 Difference]: Finished difference. Result has 46 places, 36 transitions, 82 flow [2024-11-28 02:23:40,555 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=82, PETRI_PLACES=46, PETRI_TRANSITIONS=36} [2024-11-28 02:23:40,560 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2024-11-28 02:23:40,561 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 36 transitions, 82 flow [2024-11-28 02:23:40,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 02:23:40,562 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:40,562 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:40,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:23:40,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:40,766 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:40,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:40,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1234145807, now seen corresponding path program 1 times [2024-11-28 02:23:40,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:23:40,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [281962541] [2024-11-28 02:23:40,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:40,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:40,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:23:40,771 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:23:40,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:23:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:23:40,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:23:40,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:23:40,919 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 02:23:40,920 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:23:40,920 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:23:40,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281962541] [2024-11-28 02:23:40,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281962541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:40,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:40,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 02:23:40,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970205185] [2024-11-28 02:23:40,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:40,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:23:40,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:23:40,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:23:40,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:23:40,925 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 44 [2024-11-28 02:23:40,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 82 flow. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 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 02:23:40,925 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:23:40,925 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 44 [2024-11-28 02:23:40,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:23:41,284 INFO L124 PetriNetUnfolderBase]: 603/1127 cut-off events. [2024-11-28 02:23:41,284 INFO L125 PetriNetUnfolderBase]: For 78/78 co-relation queries the response was YES. [2024-11-28 02:23:41,291 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2163 conditions, 1127 events. 603/1127 cut-off events. For 78/78 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 7108 event pairs, 603 based on Foata normal form. 36/1115 useless extension candidates. Maximal degree in co-relation 2153. Up to 922 conditions per place. [2024-11-28 02:23:41,300 INFO L140 encePairwiseOnDemand]: 42/44 looper letters, 18 selfloop transitions, 1 changer transitions 1/35 dead transitions. [2024-11-28 02:23:41,300 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 35 transitions, 120 flow [2024-11-28 02:23:41,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:23:41,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:23:41,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 75 transitions. [2024-11-28 02:23:41,305 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5681818181818182 [2024-11-28 02:23:41,305 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 82 flow. Second operand 3 states and 75 transitions. [2024-11-28 02:23:41,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 35 transitions, 120 flow [2024-11-28 02:23:41,306 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 35 transitions, 116 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:23:41,310 INFO L231 Difference]: Finished difference. Result has 44 places, 34 transitions, 76 flow [2024-11-28 02:23:41,310 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=44, PETRI_TRANSITIONS=34} [2024-11-28 02:23:41,311 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -5 predicate places. [2024-11-28 02:23:41,312 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 34 transitions, 76 flow [2024-11-28 02:23:41,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 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 02:23:41,312 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:41,312 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:41,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:23:41,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:41,514 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:41,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:41,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1234147328, now seen corresponding path program 1 times [2024-11-28 02:23:41,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:23:41,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1518219825] [2024-11-28 02:23:41,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:41,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:41,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:23:41,520 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:23:41,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:23:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:23:41,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 02:23:41,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:23:41,706 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 02:23:41,706 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:23:41,706 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:23:41,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518219825] [2024-11-28 02:23:41,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518219825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:41,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:41,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:23:41,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795254262] [2024-11-28 02:23:41,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:41,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:23:41,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:23:41,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:23:41,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:23:41,723 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-28 02:23:41,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 34 transitions, 76 flow. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 02:23:41,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:23:41,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-28 02:23:41,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:23:42,327 INFO L124 PetriNetUnfolderBase]: 1361/2287 cut-off events. [2024-11-28 02:23:42,327 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:23:42,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4399 conditions, 2287 events. 1361/2287 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 13922 event pairs, 147 based on Foata normal form. 80/2323 useless extension candidates. Maximal degree in co-relation 4393. Up to 1297 conditions per place. [2024-11-28 02:23:42,346 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 40 selfloop transitions, 5 changer transitions 1/57 dead transitions. [2024-11-28 02:23:42,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 57 transitions, 218 flow [2024-11-28 02:23:42,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:23:42,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 02:23:42,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 108 transitions. [2024-11-28 02:23:42,349 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6136363636363636 [2024-11-28 02:23:42,349 INFO L175 Difference]: Start difference. First operand has 44 places, 34 transitions, 76 flow. Second operand 4 states and 108 transitions. [2024-11-28 02:23:42,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 57 transitions, 218 flow [2024-11-28 02:23:42,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 57 transitions, 217 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:23:42,352 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 109 flow [2024-11-28 02:23:42,353 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=109, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-11-28 02:23:42,354 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -2 predicate places. [2024-11-28 02:23:42,354 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 109 flow [2024-11-28 02:23:42,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 02:23:42,355 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:42,355 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 02:23:42,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 02:23:42,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:42,559 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:42,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:42,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1768739143, now seen corresponding path program 1 times [2024-11-28 02:23:42,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:23:42,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1102475093] [2024-11-28 02:23:42,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:42,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:42,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:23:42,563 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:23:42,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 02:23:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:23:42,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 02:23:42,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:23:42,793 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 02:23:42,795 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:23:42,796 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:23:42,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1102475093] [2024-11-28 02:23:42,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1102475093] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:42,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:42,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:23:42,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984262160] [2024-11-28 02:23:42,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:42,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:23:42,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:23:42,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:23:42,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:23:42,819 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-28 02:23:42,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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 02:23:42,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:23:42,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-28 02:23:42,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:23:43,331 INFO L124 PetriNetUnfolderBase]: 877/1503 cut-off events. [2024-11-28 02:23:43,331 INFO L125 PetriNetUnfolderBase]: For 376/376 co-relation queries the response was YES. [2024-11-28 02:23:43,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3426 conditions, 1503 events. 877/1503 cut-off events. For 376/376 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 8106 event pairs, 73 based on Foata normal form. 68/1535 useless extension candidates. Maximal degree in co-relation 3417. Up to 625 conditions per place. [2024-11-28 02:23:43,342 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 50 selfloop transitions, 8 changer transitions 1/70 dead transitions. [2024-11-28 02:23:43,342 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 70 transitions, 314 flow [2024-11-28 02:23:43,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:23:43,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 02:23:43,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 136 transitions. [2024-11-28 02:23:43,344 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6181818181818182 [2024-11-28 02:23:43,345 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 109 flow. Second operand 5 states and 136 transitions. [2024-11-28 02:23:43,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 70 transitions, 314 flow [2024-11-28 02:23:43,347 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 70 transitions, 304 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-28 02:23:43,348 INFO L231 Difference]: Finished difference. Result has 51 places, 40 transitions, 149 flow [2024-11-28 02:23:43,349 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=149, PETRI_PLACES=51, PETRI_TRANSITIONS=40} [2024-11-28 02:23:43,350 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 2 predicate places. [2024-11-28 02:23:43,350 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 40 transitions, 149 flow [2024-11-28 02:23:43,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 5 states have internal predecessors, (90), 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 02:23:43,350 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:43,350 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:43,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 02:23:43,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:43,555 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:43,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:43,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1577772514, now seen corresponding path program 1 times [2024-11-28 02:23:43,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:23:43,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2033823345] [2024-11-28 02:23:43,557 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:43,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:43,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:23:43,560 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:23:43,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 02:23:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:23:43,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 02:23:43,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:23:43,777 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 02:23:43,777 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:23:43,777 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:23:43,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033823345] [2024-11-28 02:23:43,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033823345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:43,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:43,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:23:43,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113422753] [2024-11-28 02:23:43,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:43,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:23:43,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:23:43,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:23:43,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:23:43,789 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-28 02:23:43,789 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 40 transitions, 149 flow. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 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 02:23:43,789 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:23:43,789 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-28 02:23:43,790 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:23:44,247 INFO L124 PetriNetUnfolderBase]: 489/831 cut-off events. [2024-11-28 02:23:44,248 INFO L125 PetriNetUnfolderBase]: For 677/677 co-relation queries the response was YES. [2024-11-28 02:23:44,252 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2164 conditions, 831 events. 489/831 cut-off events. For 677/677 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 3717 event pairs, 59 based on Foata normal form. 36/836 useless extension candidates. Maximal degree in co-relation 2153. Up to 268 conditions per place. [2024-11-28 02:23:44,256 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 44 selfloop transitions, 11 changer transitions 1/67 dead transitions. [2024-11-28 02:23:44,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 67 transitions, 325 flow [2024-11-28 02:23:44,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:23:44,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:23:44,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 148 transitions. [2024-11-28 02:23:44,260 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5606060606060606 [2024-11-28 02:23:44,262 INFO L175 Difference]: Start difference. First operand has 51 places, 40 transitions, 149 flow. Second operand 6 states and 148 transitions. [2024-11-28 02:23:44,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 67 transitions, 325 flow [2024-11-28 02:23:44,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 67 transitions, 300 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-11-28 02:23:44,273 INFO L231 Difference]: Finished difference. Result has 54 places, 40 transitions, 163 flow [2024-11-28 02:23:44,273 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=163, PETRI_PLACES=54, PETRI_TRANSITIONS=40} [2024-11-28 02:23:44,274 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 5 predicate places. [2024-11-28 02:23:44,274 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 40 transitions, 163 flow [2024-11-28 02:23:44,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 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 02:23:44,274 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:44,274 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:44,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-28 02:23:44,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:44,475 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:44,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:44,476 INFO L85 PathProgramCache]: Analyzing trace with hash -957905422, now seen corresponding path program 1 times [2024-11-28 02:23:44,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:23:44,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [311293480] [2024-11-28 02:23:44,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:23:44,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:44,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:23:44,481 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:23:44,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 02:23:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:23:44,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 02:23:44,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:23:44,818 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 02:23:44,818 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:23:44,818 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:23:44,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311293480] [2024-11-28 02:23:44,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311293480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:44,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:44,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:23:44,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209666377] [2024-11-28 02:23:44,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:44,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:23:44,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:23:44,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:23:44,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:23:44,853 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 44 [2024-11-28 02:23:44,853 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 40 transitions, 163 flow. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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 02:23:44,854 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:23:44,854 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 44 [2024-11-28 02:23:44,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:23:45,297 INFO L124 PetriNetUnfolderBase]: 621/1159 cut-off events. [2024-11-28 02:23:45,297 INFO L125 PetriNetUnfolderBase]: For 507/531 co-relation queries the response was YES. [2024-11-28 02:23:45,301 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2702 conditions, 1159 events. 621/1159 cut-off events. For 507/531 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 6167 event pairs, 284 based on Foata normal form. 8/1090 useless extension candidates. Maximal degree in co-relation 2690. Up to 551 conditions per place. [2024-11-28 02:23:45,305 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 27 selfloop transitions, 2 changer transitions 17/64 dead transitions. [2024-11-28 02:23:45,305 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 64 transitions, 317 flow [2024-11-28 02:23:45,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:23:45,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 02:23:45,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 143 transitions. [2024-11-28 02:23:45,307 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5416666666666666 [2024-11-28 02:23:45,307 INFO L175 Difference]: Start difference. First operand has 54 places, 40 transitions, 163 flow. Second operand 6 states and 143 transitions. [2024-11-28 02:23:45,307 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 64 transitions, 317 flow [2024-11-28 02:23:45,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 64 transitions, 250 flow, removed 14 selfloop flow, removed 8 redundant places. [2024-11-28 02:23:45,320 INFO L231 Difference]: Finished difference. Result has 55 places, 40 transitions, 121 flow [2024-11-28 02:23:45,321 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=121, PETRI_PLACES=55, PETRI_TRANSITIONS=40} [2024-11-28 02:23:45,321 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 6 predicate places. [2024-11-28 02:23:45,323 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 40 transitions, 121 flow [2024-11-28 02:23:45,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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 02:23:45,324 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:45,324 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:45,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 02:23:45,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:45,529 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:45,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:45,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1653999284, now seen corresponding path program 2 times [2024-11-28 02:23:45,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:23:45,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1354380709] [2024-11-28 02:23:45,531 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:23:45,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:45,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:23:45,534 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:23:45,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 02:23:45,660 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:23:45,660 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:23:45,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 02:23:45,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:23:46,195 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 02:23:46,195 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:23:46,195 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:23:46,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354380709] [2024-11-28 02:23:46,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354380709] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:46,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:46,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:23:46,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391810310] [2024-11-28 02:23:46,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:46,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:23:46,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:23:46,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:23:46,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:23:46,268 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 44 [2024-11-28 02:23:46,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 40 transitions, 121 flow. Second operand has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:23:46,268 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:23:46,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 44 [2024-11-28 02:23:46,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:23:46,905 INFO L124 PetriNetUnfolderBase]: 883/1484 cut-off events. [2024-11-28 02:23:46,905 INFO L125 PetriNetUnfolderBase]: For 270/270 co-relation queries the response was YES. [2024-11-28 02:23:46,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3431 conditions, 1484 events. 883/1484 cut-off events. For 270/270 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 6916 event pairs, 155 based on Foata normal form. 8/1487 useless extension candidates. Maximal degree in co-relation 3420. Up to 614 conditions per place. [2024-11-28 02:23:46,916 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 46 selfloop transitions, 6 changer transitions 24/84 dead transitions. [2024-11-28 02:23:46,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 84 transitions, 401 flow [2024-11-28 02:23:46,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:23:46,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 02:23:46,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 152 transitions. [2024-11-28 02:23:46,918 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4935064935064935 [2024-11-28 02:23:46,918 INFO L175 Difference]: Start difference. First operand has 55 places, 40 transitions, 121 flow. Second operand 7 states and 152 transitions. [2024-11-28 02:23:46,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 84 transitions, 401 flow [2024-11-28 02:23:46,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 84 transitions, 377 flow, removed 7 selfloop flow, removed 5 redundant places. [2024-11-28 02:23:46,922 INFO L231 Difference]: Finished difference. Result has 58 places, 43 transitions, 154 flow [2024-11-28 02:23:46,923 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=154, PETRI_PLACES=58, PETRI_TRANSITIONS=43} [2024-11-28 02:23:46,924 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 9 predicate places. [2024-11-28 02:23:46,924 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 43 transitions, 154 flow [2024-11-28 02:23:46,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.875) internal successors, (119), 8 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:23:46,924 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:46,925 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:46,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-28 02:23:47,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:47,126 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:47,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:47,127 INFO L85 PathProgramCache]: Analyzing trace with hash 872055798, now seen corresponding path program 3 times [2024-11-28 02:23:47,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:23:47,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [788367177] [2024-11-28 02:23:47,128 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 02:23:47,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:47,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:23:47,132 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:23:47,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 02:23:47,270 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 02:23:47,271 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:23:47,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:23:47,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:23:47,492 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 02:23:47,492 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:23:47,492 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:23:47,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788367177] [2024-11-28 02:23:47,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788367177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:47,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:47,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:23:47,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889106734] [2024-11-28 02:23:47,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:47,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:23:47,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:23:47,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:23:47,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:23:47,530 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-28 02:23:47,531 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 43 transitions, 154 flow. Second operand has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:23:47,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:23:47,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-28 02:23:47,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:23:48,017 INFO L124 PetriNetUnfolderBase]: 544/1073 cut-off events. [2024-11-28 02:23:48,018 INFO L125 PetriNetUnfolderBase]: For 182/194 co-relation queries the response was YES. [2024-11-28 02:23:48,022 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2281 conditions, 1073 events. 544/1073 cut-off events. For 182/194 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 5559 event pairs, 98 based on Foata normal form. 12/1076 useless extension candidates. Maximal degree in co-relation 2268. Up to 422 conditions per place. [2024-11-28 02:23:48,026 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 28 selfloop transitions, 1 changer transitions 26/73 dead transitions. [2024-11-28 02:23:48,026 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 73 transitions, 335 flow [2024-11-28 02:23:48,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:23:48,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 02:23:48,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 158 transitions. [2024-11-28 02:23:48,028 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.512987012987013 [2024-11-28 02:23:48,028 INFO L175 Difference]: Start difference. First operand has 58 places, 43 transitions, 154 flow. Second operand 7 states and 158 transitions. [2024-11-28 02:23:48,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 73 transitions, 335 flow [2024-11-28 02:23:48,031 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 73 transitions, 310 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-11-28 02:23:48,032 INFO L231 Difference]: Finished difference. Result has 61 places, 42 transitions, 144 flow [2024-11-28 02:23:48,032 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=144, PETRI_PLACES=61, PETRI_TRANSITIONS=42} [2024-11-28 02:23:48,033 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 12 predicate places. [2024-11-28 02:23:48,033 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 42 transitions, 144 flow [2024-11-28 02:23:48,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:23:48,034 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:48,034 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:48,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-28 02:23:48,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:48,235 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:48,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:48,235 INFO L85 PathProgramCache]: Analyzing trace with hash 2076605920, now seen corresponding path program 4 times [2024-11-28 02:23:48,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:23:48,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [137125724] [2024-11-28 02:23:48,236 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 02:23:48,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:48,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:23:48,239 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:23:48,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 02:23:48,376 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 02:23:48,376 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:23:48,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-28 02:23:48,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:23:48,889 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 02:23:48,890 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:23:48,890 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:23:48,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137125724] [2024-11-28 02:23:48,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137125724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:48,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:48,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:23:48,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807829053] [2024-11-28 02:23:48,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:48,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:23:48,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:23:48,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:23:48,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:23:48,932 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 44 [2024-11-28 02:23:48,933 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 42 transitions, 144 flow. Second operand has 9 states, 9 states have (on average 19.0) internal successors, (171), 9 states have internal predecessors, (171), 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 02:23:48,933 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:23:48,933 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 44 [2024-11-28 02:23:48,933 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:23:49,591 INFO L124 PetriNetUnfolderBase]: 636/1270 cut-off events. [2024-11-28 02:23:49,591 INFO L125 PetriNetUnfolderBase]: For 141/166 co-relation queries the response was YES. [2024-11-28 02:23:49,597 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2682 conditions, 1270 events. 636/1270 cut-off events. For 141/166 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 6897 event pairs, 307 based on Foata normal form. 16/1253 useless extension candidates. Maximal degree in co-relation 2669. Up to 363 conditions per place. [2024-11-28 02:23:49,602 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 36 selfloop transitions, 4 changer transitions 27/86 dead transitions. [2024-11-28 02:23:49,602 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 86 transitions, 384 flow [2024-11-28 02:23:49,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 02:23:49,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-28 02:23:49,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 202 transitions. [2024-11-28 02:23:49,605 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5738636363636364 [2024-11-28 02:23:49,605 INFO L175 Difference]: Start difference. First operand has 61 places, 42 transitions, 144 flow. Second operand 8 states and 202 transitions. [2024-11-28 02:23:49,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 86 transitions, 384 flow [2024-11-28 02:23:49,610 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 86 transitions, 361 flow, removed 11 selfloop flow, removed 5 redundant places. [2024-11-28 02:23:49,611 INFO L231 Difference]: Finished difference. Result has 65 places, 43 transitions, 158 flow [2024-11-28 02:23:49,613 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=158, PETRI_PLACES=65, PETRI_TRANSITIONS=43} [2024-11-28 02:23:49,614 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 16 predicate places. [2024-11-28 02:23:49,616 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 43 transitions, 158 flow [2024-11-28 02:23:49,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.0) internal successors, (171), 9 states have internal predecessors, (171), 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 02:23:49,616 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:49,616 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:49,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-28 02:23:49,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:49,817 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:49,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:49,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1728413582, now seen corresponding path program 5 times [2024-11-28 02:23:49,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:23:49,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1644099289] [2024-11-28 02:23:49,818 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 02:23:49,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:49,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:23:49,821 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:23:49,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 02:23:49,966 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:23:49,966 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:23:49,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 02:23:49,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:23:50,178 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 02:23:50,178 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:23:50,178 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:23:50,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644099289] [2024-11-28 02:23:50,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644099289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:23:50,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:23:50,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 02:23:50,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809540921] [2024-11-28 02:23:50,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:23:50,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 02:23:50,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:23:50,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 02:23:50,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:23:50,212 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 44 [2024-11-28 02:23:50,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 43 transitions, 158 flow. Second operand has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:23:50,213 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:23:50,213 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 44 [2024-11-28 02:23:50,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:23:50,761 INFO L124 PetriNetUnfolderBase]: 854/1617 cut-off events. [2024-11-28 02:23:50,761 INFO L125 PetriNetUnfolderBase]: For 457/487 co-relation queries the response was YES. [2024-11-28 02:23:50,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3687 conditions, 1617 events. 854/1617 cut-off events. For 457/487 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 9185 event pairs, 289 based on Foata normal form. 16/1560 useless extension candidates. Maximal degree in co-relation 3672. Up to 680 conditions per place. [2024-11-28 02:23:50,772 INFO L140 encePairwiseOnDemand]: 38/44 looper letters, 30 selfloop transitions, 1 changer transitions 29/77 dead transitions. [2024-11-28 02:23:50,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 77 transitions, 382 flow [2024-11-28 02:23:50,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:23:50,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 02:23:50,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 158 transitions. [2024-11-28 02:23:50,774 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.512987012987013 [2024-11-28 02:23:50,774 INFO L175 Difference]: Start difference. First operand has 65 places, 43 transitions, 158 flow. Second operand 7 states and 158 transitions. [2024-11-28 02:23:50,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 77 transitions, 382 flow [2024-11-28 02:23:50,780 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 77 transitions, 362 flow, removed 7 selfloop flow, removed 5 redundant places. [2024-11-28 02:23:50,782 INFO L231 Difference]: Finished difference. Result has 66 places, 43 transitions, 160 flow [2024-11-28 02:23:50,783 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=147, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=160, PETRI_PLACES=66, PETRI_TRANSITIONS=43} [2024-11-28 02:23:50,784 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 17 predicate places. [2024-11-28 02:23:50,785 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 43 transitions, 160 flow [2024-11-28 02:23:50,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.857142857142858) internal successors, (125), 7 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:23:50,786 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:23:50,786 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:23:50,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-28 02:23:50,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:50,987 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-28 02:23:50,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:23:50,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1369999304, now seen corresponding path program 6 times [2024-11-28 02:23:50,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:23:50,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2105875621] [2024-11-28 02:23:50,989 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 02:23:50,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:50,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:23:50,991 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:23:50,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 02:23:51,104 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-28 02:23:51,104 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-28 02:23:51,105 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:23:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:23:51,202 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-28 02:23:51,203 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:23:51,204 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-28 02:23:51,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-28 02:23:51,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-28 02:23:51,207 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-28 02:23:51,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-28 02:23:51,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-11-28 02:23:51,208 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-28 02:23:51,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-28 02:23:51,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:23:51,410 INFO L422 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1, 1] [2024-11-28 02:23:51,541 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:23:51,545 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:23:51,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:23:51 BasicIcfg [2024-11-28 02:23:51,555 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:23:51,556 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:23:51,556 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:23:51,556 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:23:51,557 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:23:39" (3/4) ... [2024-11-28 02:23:51,559 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:23:51,560 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:23:51,561 INFO L158 Benchmark]: Toolchain (without parser) took 14573.45ms. Allocated memory was 83.9MB in the beginning and 226.5MB in the end (delta: 142.6MB). Free memory was 58.9MB in the beginning and 154.0MB in the end (delta: -95.1MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2024-11-28 02:23:51,562 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:23:51,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 868.18ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 35.5MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 02:23:51,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.62ms. Allocated memory is still 83.9MB. Free memory was 35.5MB in the beginning and 32.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:23:51,564 INFO L158 Benchmark]: Boogie Preprocessor took 69.78ms. Allocated memory is still 83.9MB. Free memory was 32.8MB in the beginning and 29.3MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:23:51,564 INFO L158 Benchmark]: RCFGBuilder took 1192.83ms. Allocated memory is still 83.9MB. Free memory was 29.3MB in the beginning and 31.2MB in the end (delta: -1.9MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2024-11-28 02:23:51,566 INFO L158 Benchmark]: TraceAbstraction took 12344.84ms. Allocated memory was 83.9MB in the beginning and 226.5MB in the end (delta: 142.6MB). Free memory was 30.7MB in the beginning and 154.0MB in the end (delta: -123.4MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-11-28 02:23:51,566 INFO L158 Benchmark]: Witness Printer took 4.81ms. Allocated memory is still 226.5MB. Free memory was 154.0MB in the beginning and 154.0MB in the end (delta: 19.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:23:51,568 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 868.18ms. Allocated memory is still 83.9MB. Free memory was 58.6MB in the beginning and 35.5MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.62ms. Allocated memory is still 83.9MB. Free memory was 35.5MB in the beginning and 32.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 69.78ms. Allocated memory is still 83.9MB. Free memory was 32.8MB in the beginning and 29.3MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1192.83ms. Allocated memory is still 83.9MB. Free memory was 29.3MB in the beginning and 31.2MB in the end (delta: -1.9MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12344.84ms. Allocated memory was 83.9MB in the beginning and 226.5MB in the end (delta: 142.6MB). Free memory was 30.7MB in the beginning and 154.0MB in the end (delta: -123.4MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Witness Printer took 4.81ms. Allocated memory is still 226.5MB. Free memory was 154.0MB in the beginning and 154.0MB in the end (delta: 19.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L713] 0 int __unbuffered_p2_EBX = 0; [L714] 0 _Bool main$tmp_guard0; [L715] 0 _Bool main$tmp_guard1; [L717] 0 int x = 0; [L718] 0 _Bool x$flush_delayed; [L719] 0 int x$mem_tmp; [L720] 0 _Bool x$r_buff0_thd0; [L721] 0 _Bool x$r_buff0_thd1; [L722] 0 _Bool x$r_buff0_thd2; [L723] 0 _Bool x$r_buff0_thd3; [L724] 0 _Bool x$r_buff1_thd0; [L725] 0 _Bool x$r_buff1_thd1; [L726] 0 _Bool x$r_buff1_thd2; [L727] 0 _Bool x$r_buff1_thd3; [L728] 0 _Bool x$read_delayed; [L729] 0 int *x$read_delayed_var; [L730] 0 int x$w_buff0; [L731] 0 _Bool x$w_buff0_used; [L732] 0 int x$w_buff1; [L733] 0 _Bool x$w_buff1_used; [L735] 0 int y = 0; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L818] 0 pthread_t t1876; [L819] FCALL, FORK 0 pthread_create(&t1876, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1876=-2, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L820] 0 pthread_t t1877; [L821] FCALL, FORK 0 pthread_create(&t1877, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1876=-2, t1877=-1, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L761] 2 x$w_buff1 = x$w_buff0 [L762] 2 x$w_buff0 = 2 [L763] 2 x$w_buff1_used = x$w_buff0_used [L764] 2 x$w_buff0_used = (_Bool)1 [L765] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L18] COND FALSE 2 !(!expression) [L765] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L766] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L767] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L768] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L769] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L770] 2 x$r_buff0_thd2 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L822] 0 pthread_t t1878; [L823] FCALL, FORK 0 pthread_create(&t1878, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1876=-2, t1877=-1, t1878=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L773] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1] [L790] 3 __unbuffered_p2_EAX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1] [L793] 3 __unbuffered_p2_EBX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1] [L741] 1 y = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2] [L744] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L776] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L777] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L778] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L779] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L780] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L747] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L748] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L749] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L750] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L751] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L796] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L797] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L798] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L799] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L800] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L754] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L825] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1876=-2, t1877=-1, t1878=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L827] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L827] RET 0 assume_abort_if_not(main$tmp_guard0) [L829] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L830] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L831] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L832] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L833] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1876=-2, t1877=-1, t1878=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=2, y=2] [L836] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L837] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L838] 0 x$flush_delayed = weak$$choice2 [L839] 0 x$mem_tmp = x [L840] 0 x = !x$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) [L841] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L842] 0 x$w_buff1 = weak$$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$w_buff1)) [L843] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L844] 0 x$w_buff1_used = weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L845] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L846] 0 x$r_buff1_thd0 = weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L847] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 1) [L848] 0 x = x$flush_delayed ? x$mem_tmp : x [L849] 0 x$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1876=-2, t1877=-1, t1878=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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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] [L851] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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", "safe004_power.opt_pso.opt_rmo.opt.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, 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_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=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: 816]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 821]: 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: 823]: 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: 819]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 68 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.0s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 446 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 405 mSDsluCounter, 207 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 187 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1468 IncrementalHoareTripleChecker+Invalid, 1492 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 20 mSDtfsCounter, 1468 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 239 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred in iteration=5, InterpolantAutomatonStates: 56, 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: 0.3s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 261 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 873 SizeOfPredicates, 35 NumberOfNonLiveVariables, 1070 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:23:51,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e961cc99-fc0a-4935-b1af-c76ddff46053/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