./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d0b9c4fc8b0005fb250fdf1ff8e25835b95e676b1936e4f5fe1cf72245ee5f5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:22:49,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:22:49,329 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:22:49,335 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:22:49,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:22:49,359 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:22:49,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:22:49,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:22:49,360 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:22:49,360 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:22:49,360 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:22:49,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:22:49,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:22:49,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:22:49,361 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:22:49,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:22:49,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:22:49,362 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:22:49,362 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:22:49,362 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:22:49,362 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:22:49,362 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:22:49,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:22:49,363 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:22:49,363 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:22:49,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:22:49,363 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:22:49,363 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:22:49,363 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:22:49,364 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:22:49,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:22:49,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:22:49,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:22:49,364 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:22:49,364 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:22:49,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:22:49,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:22:49,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:22:49,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:22:49,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:22:49,365 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:22:49,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:22:49,365 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:22:49,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:22:49,365 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:22:49,365 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:22:49,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:22:49,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:22:49,366 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) 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 -> 2d0b9c4fc8b0005fb250fdf1ff8e25835b95e676b1936e4f5fe1cf72245ee5f5 [2024-11-28 03:22:49,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:22:49,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:22:49,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:22:49,671 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:22:49,672 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:22:49,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2024-11-28 03:22:52,689 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/bin/uautomizer-verify-aQ6SnzHsRB/data/474a67fc2/1262481796254e0a92c8a45c88b18dd5/FLAG9367dc45b [2024-11-28 03:22:53,025 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:22:53,026 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i [2024-11-28 03:22:53,039 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/bin/uautomizer-verify-aQ6SnzHsRB/data/474a67fc2/1262481796254e0a92c8a45c88b18dd5/FLAG9367dc45b [2024-11-28 03:22:53,280 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/bin/uautomizer-verify-aQ6SnzHsRB/data/474a67fc2/1262481796254e0a92c8a45c88b18dd5 [2024-11-28 03:22:53,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:22:53,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:22:53,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:22:53,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:22:53,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:22:53,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:22:53" (1/1) ... [2024-11-28 03:22:53,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd1e0a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:53, skipping insertion in model container [2024-11-28 03:22:53,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:22:53" (1/1) ... [2024-11-28 03:22:53,321 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:22:53,490 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i[1097,1110] [2024-11-28 03:22:53,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:22:53,669 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:22:53,681 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/sv-benchmarks/c/goblint-regression/13-privatized_27-multiple-protecting2_true.i[1097,1110] [2024-11-28 03:22:53,743 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:22:53,792 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:22:53,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:53 WrapperNode [2024-11-28 03:22:53,794 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:22:53,795 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:22:53,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:22:53,797 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:22:53,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:53" (1/1) ... [2024-11-28 03:22:53,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:53" (1/1) ... [2024-11-28 03:22:53,855 INFO L138 Inliner]: procedures = 163, calls = 54, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 109 [2024-11-28 03:22:53,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:22:53,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:22:53,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:22:53,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:22:53,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:53" (1/1) ... [2024-11-28 03:22:53,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:53" (1/1) ... [2024-11-28 03:22:53,872 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:53" (1/1) ... [2024-11-28 03:22:53,898 INFO L175 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 5, 5, 5]. 29 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 5, 5, 5]. The 0 writes are split as follows [0, 0, 0, 0]. [2024-11-28 03:22:53,898 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:53" (1/1) ... [2024-11-28 03:22:53,898 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:53" (1/1) ... [2024-11-28 03:22:53,910 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:53" (1/1) ... [2024-11-28 03:22:53,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:53" (1/1) ... [2024-11-28 03:22:53,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:53" (1/1) ... [2024-11-28 03:22:53,918 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:53" (1/1) ... [2024-11-28 03:22:53,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:53" (1/1) ... [2024-11-28 03:22:53,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:22:53,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:22:53,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:22:53,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:22:53,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:53" (1/1) ... [2024-11-28 03:22:53,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:22:53,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:22:53,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:22:53,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:22:53,985 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-11-28 03:22:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-11-28 03:22:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 03:22:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:22:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-28 03:22:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-28 03:22:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:22:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:22:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:22:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 03:22:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 03:22:53,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:22:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:22:53,987 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:22:54,130 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:22:54,132 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:22:54,524 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:22:54,524 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:22:54,756 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:22:54,756 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:22:54,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:22:54 BoogieIcfgContainer [2024-11-28 03:22:54,756 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:22:54,763 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:22:54,763 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:22:54,772 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:22:54,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:22:53" (1/3) ... [2024-11-28 03:22:54,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c2dc9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:22:54, skipping insertion in model container [2024-11-28 03:22:54,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:53" (2/3) ... [2024-11-28 03:22:54,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32c2dc9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:22:54, skipping insertion in model container [2024-11-28 03:22:54,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:22:54" (3/3) ... [2024-11-28 03:22:54,774 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_27-multiple-protecting2_true.i [2024-11-28 03:22:54,790 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:22:54,791 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_27-multiple-protecting2_true.i that has 3 procedures, 77 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2024-11-28 03:22:54,791 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:22:54,859 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 03:22:54,908 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 80 transitions, 174 flow [2024-11-28 03:22:54,958 INFO L124 PetriNetUnfolderBase]: 4/78 cut-off events. [2024-11-28 03:22:54,960 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 03:22:54,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 78 events. 4/78 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 97 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2024-11-28 03:22:54,965 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 80 transitions, 174 flow [2024-11-28 03:22:54,971 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 72 places, 68 transitions, 142 flow [2024-11-28 03:22:54,984 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:22:55,003 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=LoopHeads, 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;@1baa03f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:22:55,004 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-28 03:22:55,016 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:22:55,016 INFO L124 PetriNetUnfolderBase]: 1/27 cut-off events. [2024-11-28 03:22:55,016 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:22:55,016 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:22:55,017 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:55,017 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 03:22:55,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:55,024 INFO L85 PathProgramCache]: Analyzing trace with hash 2021764380, now seen corresponding path program 1 times [2024-11-28 03:22:55,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:55,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901013673] [2024-11-28 03:22:55,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:55,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:55,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:22:55,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:55,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901013673] [2024-11-28 03:22:55,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901013673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:55,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:55,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:22:55,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353344334] [2024-11-28 03:22:55,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:55,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:22:55,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:55,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:22:55,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:22:55,552 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 80 [2024-11-28 03:22:55,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 68 transitions, 142 flow. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:22:55,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:22:55,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 80 [2024-11-28 03:22:55,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:22:57,224 INFO L124 PetriNetUnfolderBase]: 4727/8284 cut-off events. [2024-11-28 03:22:57,225 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-28 03:22:57,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15778 conditions, 8284 events. 4727/8284 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 56753 event pairs, 1134 based on Foata normal form. 340/8373 useless extension candidates. Maximal degree in co-relation 15768. Up to 4568 conditions per place. [2024-11-28 03:22:57,294 INFO L140 encePairwiseOnDemand]: 63/80 looper letters, 93 selfloop transitions, 15 changer transitions 1/127 dead transitions. [2024-11-28 03:22:57,296 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 127 transitions, 481 flow [2024-11-28 03:22:57,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:22:57,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 03:22:57,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 229 transitions. [2024-11-28 03:22:57,314 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5725 [2024-11-28 03:22:57,316 INFO L175 Difference]: Start difference. First operand has 72 places, 68 transitions, 142 flow. Second operand 5 states and 229 transitions. [2024-11-28 03:22:57,318 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 127 transitions, 481 flow [2024-11-28 03:22:57,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 127 transitions, 478 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:22:57,332 INFO L231 Difference]: Finished difference. Result has 78 places, 74 transitions, 234 flow [2024-11-28 03:22:57,335 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=234, PETRI_PLACES=78, PETRI_TRANSITIONS=74} [2024-11-28 03:22:57,340 INFO L279 CegarLoopForPetriNet]: 72 programPoint places, 6 predicate places. [2024-11-28 03:22:57,342 INFO L471 AbstractCegarLoop]: Abstraction has has 78 places, 74 transitions, 234 flow [2024-11-28 03:22:57,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:22:57,342 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:22:57,343 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:57,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:22:57,344 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 03:22:57,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:57,347 INFO L85 PathProgramCache]: Analyzing trace with hash -438640011, now seen corresponding path program 1 times [2024-11-28 03:22:57,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:57,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232960454] [2024-11-28 03:22:57,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:57,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:57,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:22:57,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:57,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232960454] [2024-11-28 03:22:57,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232960454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:57,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:57,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:22:57,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792314065] [2024-11-28 03:22:57,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:57,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:22:57,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:57,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:22:57,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:22:57,694 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 80 [2024-11-28 03:22:57,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 74 transitions, 234 flow. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:22:57,695 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:22:57,695 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 80 [2024-11-28 03:22:57,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:22:58,349 INFO L124 PetriNetUnfolderBase]: 1727/3846 cut-off events. [2024-11-28 03:22:58,350 INFO L125 PetriNetUnfolderBase]: For 732/760 co-relation queries the response was YES. [2024-11-28 03:22:58,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8072 conditions, 3846 events. 1727/3846 cut-off events. For 732/760 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 26828 event pairs, 443 based on Foata normal form. 210/4048 useless extension candidates. Maximal degree in co-relation 8058. Up to 2236 conditions per place. [2024-11-28 03:22:58,374 INFO L140 encePairwiseOnDemand]: 74/80 looper letters, 81 selfloop transitions, 6 changer transitions 0/115 dead transitions. [2024-11-28 03:22:58,374 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 115 transitions, 534 flow [2024-11-28 03:22:58,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:22:58,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 03:22:58,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 198 transitions. [2024-11-28 03:22:58,376 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.61875 [2024-11-28 03:22:58,376 INFO L175 Difference]: Start difference. First operand has 78 places, 74 transitions, 234 flow. Second operand 4 states and 198 transitions. [2024-11-28 03:22:58,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 81 places, 115 transitions, 534 flow [2024-11-28 03:22:58,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 115 transitions, 530 flow, removed 2 selfloop flow, removed 0 redundant places. [2024-11-28 03:22:58,403 INFO L231 Difference]: Finished difference. Result has 82 places, 77 transitions, 259 flow [2024-11-28 03:22:58,403 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=259, PETRI_PLACES=82, PETRI_TRANSITIONS=77} [2024-11-28 03:22:58,404 INFO L279 CegarLoopForPetriNet]: 72 programPoint places, 10 predicate places. [2024-11-28 03:22:58,404 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 77 transitions, 259 flow [2024-11-28 03:22:58,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:22:58,404 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:22:58,405 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:58,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:22:58,405 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 03:22:58,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:58,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1475903510, now seen corresponding path program 1 times [2024-11-28 03:22:58,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:58,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182704725] [2024-11-28 03:22:58,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:58,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:58,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:22:58,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:58,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182704725] [2024-11-28 03:22:58,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182704725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:58,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:58,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:22:58,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930600488] [2024-11-28 03:22:58,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:58,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:22:58,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:58,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:22:58,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:22:58,764 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 80 [2024-11-28 03:22:58,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 77 transitions, 259 flow. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:22:58,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:22:58,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 80 [2024-11-28 03:22:58,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:22:59,544 INFO L124 PetriNetUnfolderBase]: 2209/4344 cut-off events. [2024-11-28 03:22:59,544 INFO L125 PetriNetUnfolderBase]: For 1268/1268 co-relation queries the response was YES. [2024-11-28 03:22:59,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9983 conditions, 4344 events. 2209/4344 cut-off events. For 1268/1268 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 28153 event pairs, 1239 based on Foata normal form. 100/4433 useless extension candidates. Maximal degree in co-relation 9966. Up to 2338 conditions per place. [2024-11-28 03:22:59,570 INFO L140 encePairwiseOnDemand]: 65/80 looper letters, 91 selfloop transitions, 23 changer transitions 5/137 dead transitions. [2024-11-28 03:22:59,570 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 137 transitions, 691 flow [2024-11-28 03:22:59,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:22:59,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:22:59,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 241 transitions. [2024-11-28 03:22:59,573 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5020833333333333 [2024-11-28 03:22:59,573 INFO L175 Difference]: Start difference. First operand has 82 places, 77 transitions, 259 flow. Second operand 6 states and 241 transitions. [2024-11-28 03:22:59,573 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 137 transitions, 691 flow [2024-11-28 03:22:59,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 137 transitions, 690 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:22:59,585 INFO L231 Difference]: Finished difference. Result has 88 places, 86 transitions, 395 flow [2024-11-28 03:22:59,586 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=258, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=395, PETRI_PLACES=88, PETRI_TRANSITIONS=86} [2024-11-28 03:22:59,586 INFO L279 CegarLoopForPetriNet]: 72 programPoint places, 16 predicate places. [2024-11-28 03:22:59,586 INFO L471 AbstractCegarLoop]: Abstraction has has 88 places, 86 transitions, 395 flow [2024-11-28 03:22:59,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 5 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:22:59,587 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:22:59,587 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:59,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:22:59,587 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 03:22:59,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:59,588 INFO L85 PathProgramCache]: Analyzing trace with hash 777584119, now seen corresponding path program 1 times [2024-11-28 03:22:59,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:59,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103746471] [2024-11-28 03:22:59,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:59,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:59,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:22:59,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:59,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103746471] [2024-11-28 03:22:59,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103746471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:59,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:59,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:22:59,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668113063] [2024-11-28 03:22:59,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:59,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:22:59,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:59,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:22:59,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:22:59,743 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 80 [2024-11-28 03:22:59,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 86 transitions, 395 flow. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:22:59,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:22:59,744 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 80 [2024-11-28 03:22:59,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:23:00,463 INFO L124 PetriNetUnfolderBase]: 2035/4101 cut-off events. [2024-11-28 03:23:00,463 INFO L125 PetriNetUnfolderBase]: For 2953/2953 co-relation queries the response was YES. [2024-11-28 03:23:00,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10325 conditions, 4101 events. 2035/4101 cut-off events. For 2953/2953 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 26734 event pairs, 608 based on Foata normal form. 44/4140 useless extension candidates. Maximal degree in co-relation 10305. Up to 2599 conditions per place. [2024-11-28 03:23:00,484 INFO L140 encePairwiseOnDemand]: 70/80 looper letters, 96 selfloop transitions, 31 changer transitions 1/146 dead transitions. [2024-11-28 03:23:00,485 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 146 transitions, 934 flow [2024-11-28 03:23:00,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:23:00,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 03:23:00,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 210 transitions. [2024-11-28 03:23:00,486 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.525 [2024-11-28 03:23:00,486 INFO L175 Difference]: Start difference. First operand has 88 places, 86 transitions, 395 flow. Second operand 5 states and 210 transitions. [2024-11-28 03:23:00,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 146 transitions, 934 flow [2024-11-28 03:23:00,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 146 transitions, 902 flow, removed 8 selfloop flow, removed 2 redundant places. [2024-11-28 03:23:00,504 INFO L231 Difference]: Finished difference. Result has 94 places, 99 transitions, 601 flow [2024-11-28 03:23:00,504 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=601, PETRI_PLACES=94, PETRI_TRANSITIONS=99} [2024-11-28 03:23:00,505 INFO L279 CegarLoopForPetriNet]: 72 programPoint places, 22 predicate places. [2024-11-28 03:23:00,505 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 99 transitions, 601 flow [2024-11-28 03:23:00,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:23:00,506 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:23:00,506 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:00,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:23:00,507 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 03:23:00,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:00,509 INFO L85 PathProgramCache]: Analyzing trace with hash 436686877, now seen corresponding path program 1 times [2024-11-28 03:23:00,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:00,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376538058] [2024-11-28 03:23:00,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:00,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:00,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:23:00,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:00,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376538058] [2024-11-28 03:23:00,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376538058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:00,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:00,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:23:00,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247486250] [2024-11-28 03:23:00,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:00,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:23:00,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:00,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:23:00,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:23:00,717 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 80 [2024-11-28 03:23:00,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 99 transitions, 601 flow. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:23:00,718 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:23:00,718 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 80 [2024-11-28 03:23:00,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:23:01,179 INFO L124 PetriNetUnfolderBase]: 1075/2454 cut-off events. [2024-11-28 03:23:01,179 INFO L125 PetriNetUnfolderBase]: For 2172/2184 co-relation queries the response was YES. [2024-11-28 03:23:01,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6846 conditions, 2454 events. 1075/2454 cut-off events. For 2172/2184 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 15676 event pairs, 363 based on Foata normal form. 288/2710 useless extension candidates. Maximal degree in co-relation 6822. Up to 1214 conditions per place. [2024-11-28 03:23:01,190 INFO L140 encePairwiseOnDemand]: 63/80 looper letters, 65 selfloop transitions, 17 changer transitions 2/119 dead transitions. [2024-11-28 03:23:01,190 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 119 transitions, 831 flow [2024-11-28 03:23:01,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:23:01,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 03:23:01,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 191 transitions. [2024-11-28 03:23:01,192 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.596875 [2024-11-28 03:23:01,192 INFO L175 Difference]: Start difference. First operand has 94 places, 99 transitions, 601 flow. Second operand 4 states and 191 transitions. [2024-11-28 03:23:01,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 119 transitions, 831 flow [2024-11-28 03:23:01,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 119 transitions, 811 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-11-28 03:23:01,207 INFO L231 Difference]: Finished difference. Result has 97 places, 99 transitions, 607 flow [2024-11-28 03:23:01,207 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=532, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=607, PETRI_PLACES=97, PETRI_TRANSITIONS=99} [2024-11-28 03:23:01,208 INFO L279 CegarLoopForPetriNet]: 72 programPoint places, 25 predicate places. [2024-11-28 03:23:01,208 INFO L471 AbstractCegarLoop]: Abstraction has has 97 places, 99 transitions, 607 flow [2024-11-28 03:23:01,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:23:01,208 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:23:01,208 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:01,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:23:01,209 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 03:23:01,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:01,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1206905261, now seen corresponding path program 1 times [2024-11-28 03:23:01,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:01,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263063298] [2024-11-28 03:23:01,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:01,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:23:01,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:01,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263063298] [2024-11-28 03:23:01,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263063298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:01,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:01,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:23:01,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109245529] [2024-11-28 03:23:01,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:01,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:23:01,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:01,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:23:01,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:23:01,548 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 80 [2024-11-28 03:23:01,548 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 99 transitions, 607 flow. Second operand has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:23:01,548 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:23:01,548 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 80 [2024-11-28 03:23:01,548 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:23:01,866 INFO L124 PetriNetUnfolderBase]: 790/1941 cut-off events. [2024-11-28 03:23:01,867 INFO L125 PetriNetUnfolderBase]: For 2171/2175 co-relation queries the response was YES. [2024-11-28 03:23:01,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5923 conditions, 1941 events. 790/1941 cut-off events. For 2171/2175 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 11871 event pairs, 223 based on Foata normal form. 62/1999 useless extension candidates. Maximal degree in co-relation 5897. Up to 1397 conditions per place. [2024-11-28 03:23:01,877 INFO L140 encePairwiseOnDemand]: 76/80 looper letters, 59 selfloop transitions, 6 changer transitions 11/99 dead transitions. [2024-11-28 03:23:01,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 99 transitions, 713 flow [2024-11-28 03:23:01,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:23:01,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 03:23:01,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 174 transitions. [2024-11-28 03:23:01,878 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.54375 [2024-11-28 03:23:01,879 INFO L175 Difference]: Start difference. First operand has 97 places, 99 transitions, 607 flow. Second operand 4 states and 174 transitions. [2024-11-28 03:23:01,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 99 transitions, 713 flow [2024-11-28 03:23:01,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 99 transitions, 632 flow, removed 4 selfloop flow, removed 6 redundant places. [2024-11-28 03:23:01,888 INFO L231 Difference]: Finished difference. Result has 86 places, 74 transitions, 390 flow [2024-11-28 03:23:01,888 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=390, PETRI_PLACES=86, PETRI_TRANSITIONS=74} [2024-11-28 03:23:01,889 INFO L279 CegarLoopForPetriNet]: 72 programPoint places, 14 predicate places. [2024-11-28 03:23:01,889 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 74 transitions, 390 flow [2024-11-28 03:23:01,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.0) internal successors, (170), 5 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:23:01,889 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:23:01,889 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:01,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:23:01,890 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 03:23:01,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:01,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1614080330, now seen corresponding path program 1 times [2024-11-28 03:23:01,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:01,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030226645] [2024-11-28 03:23:01,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:01,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:02,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:23:02,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:02,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030226645] [2024-11-28 03:23:02,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030226645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:02,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:02,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:23:02,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234657152] [2024-11-28 03:23:02,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:02,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:23:02,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:02,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:23:02,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:23:02,196 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 30 out of 80 [2024-11-28 03:23:02,197 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 74 transitions, 390 flow. Second operand has 6 states, 6 states have (on average 33.5) internal successors, (201), 6 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:23:02,197 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:23:02,197 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 30 of 80 [2024-11-28 03:23:02,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:23:02,451 INFO L124 PetriNetUnfolderBase]: 537/1307 cut-off events. [2024-11-28 03:23:02,452 INFO L125 PetriNetUnfolderBase]: For 1276/1276 co-relation queries the response was YES. [2024-11-28 03:23:02,454 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3736 conditions, 1307 events. 537/1307 cut-off events. For 1276/1276 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 7017 event pairs, 215 based on Foata normal form. 47/1351 useless extension candidates. Maximal degree in co-relation 3712. Up to 691 conditions per place. [2024-11-28 03:23:02,458 INFO L140 encePairwiseOnDemand]: 76/80 looper letters, 64 selfloop transitions, 5 changer transitions 4/94 dead transitions. [2024-11-28 03:23:02,458 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 94 transitions, 644 flow [2024-11-28 03:23:02,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:23:02,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 03:23:02,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 173 transitions. [2024-11-28 03:23:02,460 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.540625 [2024-11-28 03:23:02,460 INFO L175 Difference]: Start difference. First operand has 86 places, 74 transitions, 390 flow. Second operand 4 states and 173 transitions. [2024-11-28 03:23:02,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 94 transitions, 644 flow [2024-11-28 03:23:02,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 94 transitions, 586 flow, removed 2 selfloop flow, removed 6 redundant places. [2024-11-28 03:23:02,466 INFO L231 Difference]: Finished difference. Result has 77 places, 69 transitions, 319 flow [2024-11-28 03:23:02,467 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=319, PETRI_PLACES=77, PETRI_TRANSITIONS=69} [2024-11-28 03:23:02,467 INFO L279 CegarLoopForPetriNet]: 72 programPoint places, 5 predicate places. [2024-11-28 03:23:02,468 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 69 transitions, 319 flow [2024-11-28 03:23:02,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.5) internal successors, (201), 6 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:23:02,468 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:23:02,468 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:02,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:23:02,469 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-11-28 03:23:02,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:23:02,469 INFO L85 PathProgramCache]: Analyzing trace with hash 782609403, now seen corresponding path program 1 times [2024-11-28 03:23:02,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:23:02,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527221169] [2024-11-28 03:23:02,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:23:02,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:23:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:23:02,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:23:02,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:23:02,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527221169] [2024-11-28 03:23:02,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527221169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:23:02,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:23:02,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:23:02,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367937795] [2024-11-28 03:23:02,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:23:02,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:23:02,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:23:02,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:23:02,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:23:02,656 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 80 [2024-11-28 03:23:02,656 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 69 transitions, 319 flow. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 5 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:23:02,656 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:23:02,656 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 80 [2024-11-28 03:23:02,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:23:02,946 INFO L124 PetriNetUnfolderBase]: 586/1296 cut-off events. [2024-11-28 03:23:02,946 INFO L125 PetriNetUnfolderBase]: For 942/942 co-relation queries the response was YES. [2024-11-28 03:23:02,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3677 conditions, 1296 events. 586/1296 cut-off events. For 942/942 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 6700 event pairs, 368 based on Foata normal form. 12/1304 useless extension candidates. Maximal degree in co-relation 3656. Up to 827 conditions per place. [2024-11-28 03:23:02,949 INFO L140 encePairwiseOnDemand]: 71/80 looper letters, 0 selfloop transitions, 0 changer transitions 97/97 dead transitions. [2024-11-28 03:23:02,949 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 97 transitions, 625 flow [2024-11-28 03:23:02,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:23:02,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 03:23:02,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 197 transitions. [2024-11-28 03:23:02,951 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.41041666666666665 [2024-11-28 03:23:02,951 INFO L175 Difference]: Start difference. First operand has 77 places, 69 transitions, 319 flow. Second operand 6 states and 197 transitions. [2024-11-28 03:23:02,951 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 97 transitions, 625 flow [2024-11-28 03:23:02,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 97 transitions, 610 flow, removed 1 selfloop flow, removed 3 redundant places. [2024-11-28 03:23:02,957 INFO L231 Difference]: Finished difference. Result has 77 places, 0 transitions, 0 flow [2024-11-28 03:23:02,958 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=80, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=77, PETRI_TRANSITIONS=0} [2024-11-28 03:23:02,960 INFO L279 CegarLoopForPetriNet]: 72 programPoint places, 5 predicate places. [2024-11-28 03:23:02,961 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 0 transitions, 0 flow [2024-11-28 03:23:02,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 5 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:23:02,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2024-11-28 03:23:02,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2024-11-28 03:23:02,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2024-11-28 03:23:02,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-11-28 03:23:02,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-11-28 03:23:02,968 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2024-11-28 03:23:02,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:23:02,969 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:23:02,972 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:23:02,974 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:23:02,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:23:02 BasicIcfg [2024-11-28 03:23:02,983 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:23:02,984 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:23:02,984 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:23:02,984 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:23:02,985 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:22:54" (3/4) ... [2024-11-28 03:23:02,988 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:23:02,993 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2_fun [2024-11-28 03:23:02,993 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-28 03:23:02,997 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2024-11-28 03:23:02,999 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-28 03:23:02,999 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:23:02,999 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 03:23:03,075 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:23:03,075 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:23:03,075 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:23:03,076 INFO L158 Benchmark]: Toolchain (without parser) took 9792.58ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.0MB in the beginning and 114.3MB in the end (delta: -22.2MB). Peak memory consumption was 209.6MB. Max. memory is 16.1GB. [2024-11-28 03:23:03,076 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:23:03,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.83ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 71.5MB in the end (delta: 20.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:23:03,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.94ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 69.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:23:03,077 INFO L158 Benchmark]: Boogie Preprocessor took 67.55ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 67.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:23:03,078 INFO L158 Benchmark]: RCFGBuilder took 834.74ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 80.3MB in the end (delta: -12.8MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2024-11-28 03:23:03,078 INFO L158 Benchmark]: TraceAbstraction took 8220.34ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 79.8MB in the beginning and 122.7MB in the end (delta: -42.9MB). Peak memory consumption was 187.6MB. Max. memory is 16.1GB. [2024-11-28 03:23:03,078 INFO L158 Benchmark]: Witness Printer took 91.64ms. Allocated memory is still 352.3MB. Free memory was 122.3MB in the beginning and 114.3MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:23:03,082 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.85ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.83ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 71.5MB in the end (delta: 20.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.94ms. Allocated memory is still 117.4MB. Free memory was 71.5MB in the beginning and 69.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 67.55ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 67.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 834.74ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 80.3MB in the end (delta: -12.8MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * TraceAbstraction took 8220.34ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 79.8MB in the beginning and 122.7MB in the end (delta: -42.9MB). Peak memory consumption was 187.6MB. Max. memory is 16.1GB. * Witness Printer took 91.64ms. Allocated memory is still 352.3MB. Free memory was 122.3MB in the beginning and 114.3MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 107 locations, 6 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.1s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 459 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 422 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52 mSDsCounter, 122 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1111 IncrementalHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 122 mSolverCounterUnsat, 35 mSDtfsCounter, 1111 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=607occurred in iteration=5, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 200 NumberOfCodeBlocks, 200 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 1042 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 03:23:03,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4aea565e-7e72-4192-9b47-75f513175151/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE