./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe032_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba9fda-5e1d-4d92-8a41-0a27dbc378cf/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba9fda-5e1d-4d92-8a41-0a27dbc378cf/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba9fda-5e1d-4d92-8a41-0a27dbc378cf/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba9fda-5e1d-4d92-8a41-0a27dbc378cf/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe032_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba9fda-5e1d-4d92-8a41-0a27dbc378cf/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba9fda-5e1d-4d92-8a41-0a27dbc378cf/bin/uautomizer-verify-4GaUIPS5ZU --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 8e0bd33ffca0122f84e298c52bb9fdae01e72661c94f68aaa49ed0f187d88b87 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:01:45,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:01:45,632 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba9fda-5e1d-4d92-8a41-0a27dbc378cf/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-31 22:01:45,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:01:45,639 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:01:45,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:01:45,679 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:01:45,679 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:01:45,680 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:01:45,680 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:01:45,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:01:45,681 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:01:45,682 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:01:45,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:01:45,685 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:01:45,686 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:01:45,686 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:01:45,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:01:45,687 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:01:45,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:01:45,688 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-31 22:01:45,690 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-31 22:01:45,692 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-31 22:01:45,693 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:01:45,693 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:01:45,693 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:01:45,694 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:01:45,694 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:01:45,694 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:01:45,695 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:01:45,695 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:01:45,695 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:01:45,695 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:01:45,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:45,696 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:01:45,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:01:45,697 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:01:45,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:01:45,698 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:01:45,699 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:01:45,699 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:01:45,700 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:01:45,700 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba9fda-5e1d-4d92-8a41-0a27dbc378cf/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba9fda-5e1d-4d92-8a41-0a27dbc378cf/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e0bd33ffca0122f84e298c52bb9fdae01e72661c94f68aaa49ed0f187d88b87 [2024-10-31 22:01:45,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:01:45,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:01:46,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:01:46,001 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:01:46,002 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:01:46,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba9fda-5e1d-4d92-8a41-0a27dbc378cf/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread-wmm/safe032_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i Unable to find full path for "g++" [2024-10-31 22:01:48,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:01:48,348 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:01:48,350 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba9fda-5e1d-4d92-8a41-0a27dbc378cf/sv-benchmarks/c/pthread-wmm/safe032_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-10-31 22:01:48,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba9fda-5e1d-4d92-8a41-0a27dbc378cf/bin/uautomizer-verify-4GaUIPS5ZU/data/4db232b98/29f4383f0ce340458679c4600cc6dee2/FLAG8e477306a [2024-10-31 22:01:48,390 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba9fda-5e1d-4d92-8a41-0a27dbc378cf/bin/uautomizer-verify-4GaUIPS5ZU/data/4db232b98/29f4383f0ce340458679c4600cc6dee2 [2024-10-31 22:01:48,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:01:48,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:01:48,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:48,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:01:48,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:01:48,405 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:48" (1/1) ... [2024-10-31 22:01:48,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33fe24a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:48, skipping insertion in model container [2024-10-31 22:01:48,406 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:48" (1/1) ... [2024-10-31 22:01:48,471 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:01:49,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:49,031 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:01:49,113 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:49,159 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:01:49,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:49 WrapperNode [2024-10-31 22:01:49,160 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:49,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:49,162 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:01:49,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:01:49,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:49" (1/1) ... [2024-10-31 22:01:49,196 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:49" (1/1) ... [2024-10-31 22:01:49,234 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 137 [2024-10-31 22:01:49,237 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:49,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:01:49,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:01:49,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:01:49,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:49" (1/1) ... [2024-10-31 22:01:49,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:49" (1/1) ... [2024-10-31 22:01:49,257 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:49" (1/1) ... [2024-10-31 22:01:49,287 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]. [2024-10-31 22:01:49,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:49" (1/1) ... [2024-10-31 22:01:49,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:49" (1/1) ... [2024-10-31 22:01:49,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:49" (1/1) ... [2024-10-31 22:01:49,301 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:49" (1/1) ... [2024-10-31 22:01:49,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:49" (1/1) ... [2024-10-31 22:01:49,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:49" (1/1) ... [2024-10-31 22:01:49,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:01:49,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:01:49,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:01:49,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:01:49,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:49" (1/1) ... [2024-10-31 22:01:49,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:49,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba9fda-5e1d-4d92-8a41-0a27dbc378cf/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:49,360 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba9fda-5e1d-4d92-8a41-0a27dbc378cf/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:49,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba9fda-5e1d-4d92-8a41-0a27dbc378cf/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:01:49,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:01:49,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:01:49,401 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-31 22:01:49,401 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-31 22:01:49,401 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-31 22:01:49,401 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-31 22:01:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-31 22:01:49,402 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-31 22:01:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:01:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:01:49,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:01:49,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:01:49,406 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:01:49,629 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:01:49,631 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:01:50,262 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:01:50,263 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:01:50,653 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:01:50,653 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:01:50,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:50 BoogieIcfgContainer [2024-10-31 22:01:50,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:01:50,656 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:01:50,657 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:01:50,660 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:01:50,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:01:48" (1/3) ... [2024-10-31 22:01:50,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e4e68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:01:50, skipping insertion in model container [2024-10-31 22:01:50,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:49" (2/3) ... [2024-10-31 22:01:50,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67e4e68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:01:50, skipping insertion in model container [2024-10-31 22:01:50,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:50" (3/3) ... [2024-10-31 22:01:50,665 INFO L112 eAbstractionObserver]: Analyzing ICFG safe032_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-10-31 22:01:50,687 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:01:50,688 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-10-31 22:01:50,688 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:01:50,757 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 22:01:50,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 54 places, 46 transitions, 104 flow [2024-10-31 22:01:50,860 INFO L124 PetriNetUnfolderBase]: 2/43 cut-off events. [2024-10-31 22:01:50,861 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:01:50,864 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 43 events. 2/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 81 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2024-10-31 22:01:50,864 INFO L82 GeneralOperation]: Start removeDead. Operand has 54 places, 46 transitions, 104 flow [2024-10-31 22:01:50,868 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 51 places, 43 transitions, 95 flow [2024-10-31 22:01:50,878 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:01:50,886 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;@8960018, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:01:50,886 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-31 22:01:50,897 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:01:50,898 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-10-31 22:01:50,898 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:01:50,898 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:50,899 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:50,899 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-31 22:01:50,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:50,905 INFO L85 PathProgramCache]: Analyzing trace with hash -472731195, now seen corresponding path program 1 times [2024-10-31 22:01:50,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:50,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127449113] [2024-10-31 22:01:50,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:50,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:51,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:51,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:51,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127449113] [2024-10-31 22:01:51,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127449113] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:51,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:51,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-31 22:01:51,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239812673] [2024-10-31 22:01:51,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:51,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:51,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:51,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:51,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:51,633 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 46 [2024-10-31 22:01:51,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 43 transitions, 95 flow. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2024-10-31 22:01:51,637 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:51,637 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 46 [2024-10-31 22:01:51,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:52,592 INFO L124 PetriNetUnfolderBase]: 1186/2131 cut-off events. [2024-10-31 22:01:52,592 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-10-31 22:01:52,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3937 conditions, 2131 events. 1186/2131 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 148. Compared 14322 event pairs, 232 based on Foata normal form. 120/2232 useless extension candidates. Maximal degree in co-relation 3926. Up to 1360 conditions per place. [2024-10-31 22:01:52,619 INFO L140 encePairwiseOnDemand]: 41/46 looper letters, 33 selfloop transitions, 2 changer transitions 2/53 dead transitions. [2024-10-31 22:01:52,619 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 53 transitions, 189 flow [2024-10-31 22:01:52,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:01:52,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2024-10-31 22:01:52,633 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.717391304347826 [2024-10-31 22:01:52,635 INFO L175 Difference]: Start difference. First operand has 51 places, 43 transitions, 95 flow. Second operand 3 states and 99 transitions. [2024-10-31 22:01:52,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 53 transitions, 189 flow [2024-10-31 22:01:52,640 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 53 transitions, 186 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-31 22:01:52,644 INFO L231 Difference]: Finished difference. Result has 48 places, 38 transitions, 86 flow [2024-10-31 22:01:52,647 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=48, PETRI_TRANSITIONS=38} [2024-10-31 22:01:52,653 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, -3 predicate places. [2024-10-31 22:01:52,653 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 38 transitions, 86 flow [2024-10-31 22:01:52,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2024-10-31 22:01:52,654 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:52,654 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:52,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:01:52,655 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-31 22:01:52,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:52,657 INFO L85 PathProgramCache]: Analyzing trace with hash 803760326, now seen corresponding path program 1 times [2024-10-31 22:01:52,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:52,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921214917] [2024-10-31 22:01:52,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:52,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:52,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:52,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:52,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921214917] [2024-10-31 22:01:52,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921214917] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:52,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:52,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-31 22:01:52,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615676450] [2024-10-31 22:01:52,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:52,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:52,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:52,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:52,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:52,778 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 46 [2024-10-31 22:01:52,778 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 38 transitions, 86 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) [2024-10-31 22:01:52,778 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:52,779 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 46 [2024-10-31 22:01:52,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:53,283 INFO L124 PetriNetUnfolderBase]: 1053/1845 cut-off events. [2024-10-31 22:01:53,283 INFO L125 PetriNetUnfolderBase]: For 120/120 co-relation queries the response was YES. [2024-10-31 22:01:53,287 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3577 conditions, 1845 events. 1053/1845 cut-off events. For 120/120 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 12521 event pairs, 1053 based on Foata normal form. 60/1859 useless extension candidates. Maximal degree in co-relation 3567. Up to 1570 conditions per place. [2024-10-31 22:01:53,296 INFO L140 encePairwiseOnDemand]: 44/46 looper letters, 20 selfloop transitions, 1 changer transitions 1/37 dead transitions. [2024-10-31 22:01:53,296 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 37 transitions, 128 flow [2024-10-31 22:01:53,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:53,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:01:53,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2024-10-31 22:01:53,298 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5579710144927537 [2024-10-31 22:01:53,298 INFO L175 Difference]: Start difference. First operand has 48 places, 38 transitions, 86 flow. Second operand 3 states and 77 transitions. [2024-10-31 22:01:53,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 37 transitions, 128 flow [2024-10-31 22:01:53,300 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 37 transitions, 124 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:01:53,305 INFO L231 Difference]: Finished difference. Result has 46 places, 36 transitions, 80 flow [2024-10-31 22:01:53,306 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=46, PETRI_TRANSITIONS=36} [2024-10-31 22:01:53,306 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, -5 predicate places. [2024-10-31 22:01:53,307 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 36 transitions, 80 flow [2024-10-31 22:01:53,307 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) [2024-10-31 22:01:53,307 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:53,307 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:53,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:01:53,308 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-31 22:01:53,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:53,308 INFO L85 PathProgramCache]: Analyzing trace with hash 803760305, now seen corresponding path program 1 times [2024-10-31 22:01:53,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:53,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829066867] [2024-10-31 22:01:53,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:53,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:54,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:54,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:54,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829066867] [2024-10-31 22:01:54,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829066867] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:54,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:54,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:01:54,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631214502] [2024-10-31 22:01:54,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:54,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:01:54,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:54,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:01:54,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:01:54,122 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 46 [2024-10-31 22:01:54,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 80 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) [2024-10-31 22:01:54,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:54,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 46 [2024-10-31 22:01:54,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:55,809 INFO L124 PetriNetUnfolderBase]: 2381/3818 cut-off events. [2024-10-31 22:01:55,809 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:01:55,821 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7374 conditions, 3818 events. 2381/3818 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 24347 event pairs, 435 based on Foata normal form. 0/3727 useless extension candidates. Maximal degree in co-relation 7368. Up to 1520 conditions per place. [2024-10-31 22:01:55,835 INFO L140 encePairwiseOnDemand]: 34/46 looper letters, 38 selfloop transitions, 8 changer transitions 73/131 dead transitions. [2024-10-31 22:01:55,836 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 131 transitions, 510 flow [2024-10-31 22:01:55,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-31 22:01:55,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-10-31 22:01:55,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 314 transitions. [2024-10-31 22:01:55,841 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5688405797101449 [2024-10-31 22:01:55,844 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 80 flow. Second operand 12 states and 314 transitions. [2024-10-31 22:01:55,844 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 131 transitions, 510 flow [2024-10-31 22:01:55,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 131 transitions, 509 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:01:55,849 INFO L231 Difference]: Finished difference. Result has 66 places, 41 transitions, 179 flow [2024-10-31 22:01:55,850 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=179, PETRI_PLACES=66, PETRI_TRANSITIONS=41} [2024-10-31 22:01:55,851 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, 15 predicate places. [2024-10-31 22:01:55,853 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 41 transitions, 179 flow [2024-10-31 22:01:55,853 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) [2024-10-31 22:01:55,853 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:55,854 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:55,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:01:55,854 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-31 22:01:55,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:55,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1976567037, now seen corresponding path program 1 times [2024-10-31 22:01:55,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:55,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261827083] [2024-10-31 22:01:55,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:55,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:56,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:56,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:56,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261827083] [2024-10-31 22:01:56,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261827083] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:56,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:56,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:01:56,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331012811] [2024-10-31 22:01:56,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:56,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:01:56,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:56,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:01:56,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:01:56,535 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 46 [2024-10-31 22:01:56,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 41 transitions, 179 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) [2024-10-31 22:01:56,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:56,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 46 [2024-10-31 22:01:56,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:57,824 INFO L124 PetriNetUnfolderBase]: 1742/2955 cut-off events. [2024-10-31 22:01:57,824 INFO L125 PetriNetUnfolderBase]: For 7007/7007 co-relation queries the response was YES. [2024-10-31 22:01:57,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10206 conditions, 2955 events. 1742/2955 cut-off events. For 7007/7007 co-relation queries the response was YES. Maximal size of possible extension queue 164. Compared 18488 event pairs, 582 based on Foata normal form. 71/3008 useless extension candidates. Maximal degree in co-relation 10188. Up to 1882 conditions per place. [2024-10-31 22:01:57,858 INFO L140 encePairwiseOnDemand]: 34/46 looper letters, 39 selfloop transitions, 17 changer transitions 44/112 dead transitions. [2024-10-31 22:01:57,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 112 transitions, 767 flow [2024-10-31 22:01:57,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:01:57,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-31 22:01:57,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 257 transitions. [2024-10-31 22:01:57,862 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.558695652173913 [2024-10-31 22:01:57,862 INFO L175 Difference]: Start difference. First operand has 66 places, 41 transitions, 179 flow. Second operand 10 states and 257 transitions. [2024-10-31 22:01:57,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 112 transitions, 767 flow [2024-10-31 22:01:57,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 112 transitions, 689 flow, removed 37 selfloop flow, removed 5 redundant places. [2024-10-31 22:01:57,891 INFO L231 Difference]: Finished difference. Result has 69 places, 50 transitions, 295 flow [2024-10-31 22:01:57,891 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=159, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=295, PETRI_PLACES=69, PETRI_TRANSITIONS=50} [2024-10-31 22:01:57,893 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, 18 predicate places. [2024-10-31 22:01:57,893 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 50 transitions, 295 flow [2024-10-31 22:01:57,893 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) [2024-10-31 22:01:57,893 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:57,894 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:57,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:01:57,895 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-31 22:01:57,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:57,895 INFO L85 PathProgramCache]: Analyzing trace with hash -2034638724, now seen corresponding path program 1 times [2024-10-31 22:01:57,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:57,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713788964] [2024-10-31 22:01:57,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:57,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:58,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:58,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:58,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713788964] [2024-10-31 22:01:58,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713788964] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:58,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:58,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:01:58,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982919456] [2024-10-31 22:01:58,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:58,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:01:58,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:58,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:01:58,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:01:58,846 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 46 [2024-10-31 22:01:58,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 50 transitions, 295 flow. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 states have internal predecessors, (117), 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) [2024-10-31 22:01:58,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:58,847 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 46 [2024-10-31 22:01:58,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:59,793 INFO L124 PetriNetUnfolderBase]: 1634/2821 cut-off events. [2024-10-31 22:01:59,794 INFO L125 PetriNetUnfolderBase]: For 7025/7271 co-relation queries the response was YES. [2024-10-31 22:01:59,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10449 conditions, 2821 events. 1634/2821 cut-off events. For 7025/7271 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 17958 event pairs, 205 based on Foata normal form. 94/2858 useless extension candidates. Maximal degree in co-relation 10426. Up to 1666 conditions per place. [2024-10-31 22:01:59,824 INFO L140 encePairwiseOnDemand]: 36/46 looper letters, 48 selfloop transitions, 8 changer transitions 31/106 dead transitions. [2024-10-31 22:01:59,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 106 transitions, 786 flow [2024-10-31 22:01:59,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:01:59,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-31 22:01:59,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 210 transitions. [2024-10-31 22:01:59,825 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5706521739130435 [2024-10-31 22:01:59,826 INFO L175 Difference]: Start difference. First operand has 69 places, 50 transitions, 295 flow. Second operand 8 states and 210 transitions. [2024-10-31 22:01:59,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 106 transitions, 786 flow [2024-10-31 22:01:59,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 106 transitions, 742 flow, removed 22 selfloop flow, removed 8 redundant places. [2024-10-31 22:01:59,851 INFO L231 Difference]: Finished difference. Result has 68 places, 56 transitions, 359 flow [2024-10-31 22:01:59,851 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=275, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=359, PETRI_PLACES=68, PETRI_TRANSITIONS=56} [2024-10-31 22:01:59,852 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, 17 predicate places. [2024-10-31 22:01:59,852 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 56 transitions, 359 flow [2024-10-31 22:01:59,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 6 states have internal predecessors, (117), 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) [2024-10-31 22:01:59,852 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:59,853 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:59,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:01:59,853 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-31 22:01:59,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:59,854 INFO L85 PathProgramCache]: Analyzing trace with hash -834806610, now seen corresponding path program 2 times [2024-10-31 22:01:59,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:59,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648793783] [2024-10-31 22:01:59,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:59,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:01,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:02:01,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:01,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648793783] [2024-10-31 22:02:01,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648793783] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:01,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:01,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-31 22:02:01,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472110739] [2024-10-31 22:02:01,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:01,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-31 22:02:01,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:01,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-31 22:02:01,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:02:01,264 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 46 [2024-10-31 22:02:01,265 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 56 transitions, 359 flow. Second operand has 9 states, 9 states have (on average 18.666666666666668) internal successors, (168), 9 states have internal predecessors, (168), 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) [2024-10-31 22:02:01,265 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:01,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 46 [2024-10-31 22:02:01,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:02,623 INFO L124 PetriNetUnfolderBase]: 1759/3070 cut-off events. [2024-10-31 22:02:02,624 INFO L125 PetriNetUnfolderBase]: For 8377/8650 co-relation queries the response was YES. [2024-10-31 22:02:02,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11972 conditions, 3070 events. 1759/3070 cut-off events. For 8377/8650 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 19754 event pairs, 200 based on Foata normal form. 95/3125 useless extension candidates. Maximal degree in co-relation 11949. Up to 1713 conditions per place. [2024-10-31 22:02:02,657 INFO L140 encePairwiseOnDemand]: 37/46 looper letters, 55 selfloop transitions, 17 changer transitions 33/124 dead transitions. [2024-10-31 22:02:02,657 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 124 transitions, 993 flow [2024-10-31 22:02:02,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:02:02,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-31 22:02:02,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 239 transitions. [2024-10-31 22:02:02,659 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5772946859903382 [2024-10-31 22:02:02,659 INFO L175 Difference]: Start difference. First operand has 68 places, 56 transitions, 359 flow. Second operand 9 states and 239 transitions. [2024-10-31 22:02:02,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 124 transitions, 993 flow [2024-10-31 22:02:02,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 124 transitions, 961 flow, removed 12 selfloop flow, removed 5 redundant places. [2024-10-31 22:02:02,674 INFO L231 Difference]: Finished difference. Result has 74 places, 67 transitions, 519 flow [2024-10-31 22:02:02,674 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=519, PETRI_PLACES=74, PETRI_TRANSITIONS=67} [2024-10-31 22:02:02,675 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, 23 predicate places. [2024-10-31 22:02:02,675 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 67 transitions, 519 flow [2024-10-31 22:02:02,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.666666666666668) internal successors, (168), 9 states have internal predecessors, (168), 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) [2024-10-31 22:02:02,675 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:02,676 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:02:02,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:02:02,676 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-31 22:02:02,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:02,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1811793609, now seen corresponding path program 1 times [2024-10-31 22:02:02,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:02,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043135259] [2024-10-31 22:02:02,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:02,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:02,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:02:02,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:02,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043135259] [2024-10-31 22:02:02,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043135259] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:02,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:02,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:02:02,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381413553] [2024-10-31 22:02:02,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:02,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:02:02,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:02,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:02:02,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:02:02,988 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 46 [2024-10-31 22:02:02,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 67 transitions, 519 flow. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 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) [2024-10-31 22:02:02,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:02,989 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 46 [2024-10-31 22:02:02,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:04,185 INFO L124 PetriNetUnfolderBase]: 2430/4251 cut-off events. [2024-10-31 22:02:04,186 INFO L125 PetriNetUnfolderBase]: For 16188/16216 co-relation queries the response was YES. [2024-10-31 22:02:04,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17706 conditions, 4251 events. 2430/4251 cut-off events. For 16188/16216 co-relation queries the response was YES. Maximal size of possible extension queue 216. Compared 29539 event pairs, 794 based on Foata normal form. 83/4275 useless extension candidates. Maximal degree in co-relation 17679. Up to 1915 conditions per place. [2024-10-31 22:02:04,238 INFO L140 encePairwiseOnDemand]: 41/46 looper letters, 59 selfloop transitions, 7 changer transitions 29/109 dead transitions. [2024-10-31 22:02:04,238 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 109 transitions, 1016 flow [2024-10-31 22:02:04,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:02:04,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-31 22:02:04,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 180 transitions. [2024-10-31 22:02:04,240 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5590062111801242 [2024-10-31 22:02:04,241 INFO L175 Difference]: Start difference. First operand has 74 places, 67 transitions, 519 flow. Second operand 7 states and 180 transitions. [2024-10-31 22:02:04,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 109 transitions, 1016 flow [2024-10-31 22:02:04,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 109 transitions, 982 flow, removed 14 selfloop flow, removed 5 redundant places. [2024-10-31 22:02:04,275 INFO L231 Difference]: Finished difference. Result has 76 places, 67 transitions, 532 flow [2024-10-31 22:02:04,275 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=501, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=532, PETRI_PLACES=76, PETRI_TRANSITIONS=67} [2024-10-31 22:02:04,278 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, 25 predicate places. [2024-10-31 22:02:04,278 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 67 transitions, 532 flow [2024-10-31 22:02:04,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 5 states have internal predecessors, (96), 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) [2024-10-31 22:02:04,278 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:04,278 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:02:04,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:02:04,279 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-31 22:02:04,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:04,281 INFO L85 PathProgramCache]: Analyzing trace with hash -792655860, now seen corresponding path program 1 times [2024-10-31 22:02:04,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:04,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970878458] [2024-10-31 22:02:04,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:04,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:05,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:02:05,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:05,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970878458] [2024-10-31 22:02:05,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970878458] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:05,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:05,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:02:05,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588307774] [2024-10-31 22:02:05,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:05,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-31 22:02:05,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:05,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 22:02:05,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:02:05,827 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 46 [2024-10-31 22:02:05,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 67 transitions, 532 flow. Second operand has 8 states, 8 states have (on average 19.0) internal successors, (152), 8 states have internal predecessors, (152), 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) [2024-10-31 22:02:05,828 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:05,828 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 46 [2024-10-31 22:02:05,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:07,625 INFO L124 PetriNetUnfolderBase]: 2717/4758 cut-off events. [2024-10-31 22:02:07,625 INFO L125 PetriNetUnfolderBase]: For 21522/21942 co-relation queries the response was YES. [2024-10-31 22:02:07,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20348 conditions, 4758 events. 2717/4758 cut-off events. For 21522/21942 co-relation queries the response was YES. Maximal size of possible extension queue 266. Compared 33576 event pairs, 336 based on Foata normal form. 176/4826 useless extension candidates. Maximal degree in co-relation 20320. Up to 2475 conditions per place. [2024-10-31 22:02:07,677 INFO L140 encePairwiseOnDemand]: 35/46 looper letters, 69 selfloop transitions, 25 changer transitions 41/154 dead transitions. [2024-10-31 22:02:07,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 154 transitions, 1471 flow [2024-10-31 22:02:07,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 22:02:07,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-10-31 22:02:07,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 273 transitions. [2024-10-31 22:02:07,679 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5395256916996047 [2024-10-31 22:02:07,679 INFO L175 Difference]: Start difference. First operand has 76 places, 67 transitions, 532 flow. Second operand 11 states and 273 transitions. [2024-10-31 22:02:07,680 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 154 transitions, 1471 flow [2024-10-31 22:02:07,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 154 transitions, 1448 flow, removed 8 selfloop flow, removed 5 redundant places. [2024-10-31 22:02:07,710 INFO L231 Difference]: Finished difference. Result has 83 places, 80 transitions, 759 flow [2024-10-31 22:02:07,710 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=759, PETRI_PLACES=83, PETRI_TRANSITIONS=80} [2024-10-31 22:02:07,711 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, 32 predicate places. [2024-10-31 22:02:07,711 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 80 transitions, 759 flow [2024-10-31 22:02:07,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.0) internal successors, (152), 8 states have internal predecessors, (152), 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) [2024-10-31 22:02:07,711 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:07,712 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:02:07,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:02:07,712 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-31 22:02:07,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:07,713 INFO L85 PathProgramCache]: Analyzing trace with hash -514727042, now seen corresponding path program 2 times [2024-10-31 22:02:07,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:07,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425333241] [2024-10-31 22:02:07,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:07,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:09,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:02:09,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:09,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425333241] [2024-10-31 22:02:09,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425333241] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:09,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:09,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-31 22:02:09,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757091381] [2024-10-31 22:02:09,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:09,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-31 22:02:09,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:09,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-31 22:02:09,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:02:09,498 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 46 [2024-10-31 22:02:09,499 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 80 transitions, 759 flow. Second operand has 9 states, 9 states have (on average 18.77777777777778) internal successors, (169), 9 states have internal predecessors, (169), 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) [2024-10-31 22:02:09,499 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:09,499 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 46 [2024-10-31 22:02:09,499 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:11,021 INFO L124 PetriNetUnfolderBase]: 2700/4741 cut-off events. [2024-10-31 22:02:11,021 INFO L125 PetriNetUnfolderBase]: For 35012/35385 co-relation queries the response was YES. [2024-10-31 22:02:11,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24405 conditions, 4741 events. 2700/4741 cut-off events. For 35012/35385 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 33375 event pairs, 408 based on Foata normal form. 162/4812 useless extension candidates. Maximal degree in co-relation 24374. Up to 2996 conditions per place. [2024-10-31 22:02:11,065 INFO L140 encePairwiseOnDemand]: 35/46 looper letters, 71 selfloop transitions, 29 changer transitions 36/155 dead transitions. [2024-10-31 22:02:11,065 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 155 transitions, 1848 flow [2024-10-31 22:02:11,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:02:11,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-31 22:02:11,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 252 transitions. [2024-10-31 22:02:11,067 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5478260869565217 [2024-10-31 22:02:11,067 INFO L175 Difference]: Start difference. First operand has 83 places, 80 transitions, 759 flow. Second operand 10 states and 252 transitions. [2024-10-31 22:02:11,067 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 155 transitions, 1848 flow [2024-10-31 22:02:11,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 155 transitions, 1837 flow, removed 5 selfloop flow, removed 3 redundant places. [2024-10-31 22:02:11,109 INFO L231 Difference]: Finished difference. Result has 91 places, 92 transitions, 1074 flow [2024-10-31 22:02:11,110 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1074, PETRI_PLACES=91, PETRI_TRANSITIONS=92} [2024-10-31 22:02:11,110 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, 40 predicate places. [2024-10-31 22:02:11,111 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 92 transitions, 1074 flow [2024-10-31 22:02:11,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.77777777777778) internal successors, (169), 9 states have internal predecessors, (169), 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) [2024-10-31 22:02:11,111 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:11,111 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:02:11,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:02:11,112 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-31 22:02:11,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:11,112 INFO L85 PathProgramCache]: Analyzing trace with hash -2018317914, now seen corresponding path program 3 times [2024-10-31 22:02:11,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:11,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932029749] [2024-10-31 22:02:11,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:11,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:12,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:02:12,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:12,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932029749] [2024-10-31 22:02:12,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932029749] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:12,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:12,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-31 22:02:12,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540192986] [2024-10-31 22:02:12,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:12,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-31 22:02:12,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:12,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-31 22:02:12,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:02:12,454 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 46 [2024-10-31 22:02:12,454 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 92 transitions, 1074 flow. Second operand has 10 states, 10 states have (on average 18.6) internal successors, (186), 10 states have internal predecessors, (186), 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) [2024-10-31 22:02:12,454 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:02:12,455 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 46 [2024-10-31 22:02:12,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:02:14,252 INFO L124 PetriNetUnfolderBase]: 2796/4926 cut-off events. [2024-10-31 22:02:14,253 INFO L125 PetriNetUnfolderBase]: For 58913/59382 co-relation queries the response was YES. [2024-10-31 22:02:14,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29191 conditions, 4926 events. 2796/4926 cut-off events. For 58913/59382 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 35331 event pairs, 510 based on Foata normal form. 216/5011 useless extension candidates. Maximal degree in co-relation 29155. Up to 2853 conditions per place. [2024-10-31 22:02:14,302 INFO L140 encePairwiseOnDemand]: 34/46 looper letters, 65 selfloop transitions, 37 changer transitions 43/164 dead transitions. [2024-10-31 22:02:14,302 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 164 transitions, 2358 flow [2024-10-31 22:02:14,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:02:14,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-31 22:02:14,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 232 transitions. [2024-10-31 22:02:14,304 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5603864734299517 [2024-10-31 22:02:14,305 INFO L175 Difference]: Start difference. First operand has 91 places, 92 transitions, 1074 flow. Second operand 9 states and 232 transitions. [2024-10-31 22:02:14,305 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 164 transitions, 2358 flow [2024-10-31 22:02:14,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 164 transitions, 2122 flow, removed 99 selfloop flow, removed 7 redundant places. [2024-10-31 22:02:14,400 INFO L231 Difference]: Finished difference. Result has 94 places, 101 transitions, 1293 flow [2024-10-31 22:02:14,401 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=46, PETRI_DIFFERENCE_MINUEND_FLOW=976, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1293, PETRI_PLACES=94, PETRI_TRANSITIONS=101} [2024-10-31 22:02:14,403 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, 43 predicate places. [2024-10-31 22:02:14,403 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 101 transitions, 1293 flow [2024-10-31 22:02:14,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.6) internal successors, (186), 10 states have internal predecessors, (186), 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) [2024-10-31 22:02:14,404 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:02:14,404 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:02:14,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:02:14,404 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-10-31 22:02:14,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:14,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1550530148, now seen corresponding path program 1 times [2024-10-31 22:02:14,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:14,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886574861] [2024-10-31 22:02:14,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:14,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms