./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_21-traces-cluster-based_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41543c2c-f1e5-4ddf-8f7c-e64e643745d8/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41543c2c-f1e5-4ddf-8f7c-e64e643745d8/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41543c2c-f1e5-4ddf-8f7c-e64e643745d8/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41543c2c-f1e5-4ddf-8f7c-e64e643745d8/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_21-traces-cluster-based_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41543c2c-f1e5-4ddf-8f7c-e64e643745d8/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41543c2c-f1e5-4ddf-8f7c-e64e643745d8/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cec155e54548239c459fec40910e358deb5fad2ceffa658bfdeefddd1bc9e166 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:28:36,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:28:36,185 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41543c2c-f1e5-4ddf-8f7c-e64e643745d8/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-12-02 11:28:36,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:28:36,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:28:36,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:28:36,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:28:36,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:28:36,214 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:28:36,214 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:28:36,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:28:36,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:28:36,215 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:28:36,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:28:36,215 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:28:36,215 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:28:36,215 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:28:36,216 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:28:36,216 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:28:36,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:28:36,216 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-02 11:28:36,216 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-02 11:28:36,216 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-02 11:28:36,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:28:36,216 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 11:28:36,216 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 11:28:36,216 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:28:36,216 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:28:36,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:28:36,217 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:28:36,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:28:36,217 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:28:36,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:28:36,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:28:36,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:28:36,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:28:36,217 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:28:36,217 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:28:36,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:28:36,217 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:28:36,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:28:36,218 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:28:36,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:28:36,218 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:28:36,218 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:28:36,218 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:28:36,218 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:28:36,218 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_41543c2c-f1e5-4ddf-8f7c-e64e643745d8/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cec155e54548239c459fec40910e358deb5fad2ceffa658bfdeefddd1bc9e166 [2024-12-02 11:28:36,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:28:36,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:28:36,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:28:36,474 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:28:36,474 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:28:36,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41543c2c-f1e5-4ddf-8f7c-e64e643745d8/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/goblint-regression/36-apron_21-traces-cluster-based_true.i [2024-12-02 11:28:39,155 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41543c2c-f1e5-4ddf-8f7c-e64e643745d8/bin/uautomizer-verify-84ZbGMXZE1/data/899dba628/03d9649b701c4fc1836a3b30185e24ad/FLAG843afff9b [2024-12-02 11:28:39,381 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:28:39,382 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41543c2c-f1e5-4ddf-8f7c-e64e643745d8/sv-benchmarks/c/goblint-regression/36-apron_21-traces-cluster-based_true.i [2024-12-02 11:28:39,395 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41543c2c-f1e5-4ddf-8f7c-e64e643745d8/bin/uautomizer-verify-84ZbGMXZE1/data/899dba628/03d9649b701c4fc1836a3b30185e24ad/FLAG843afff9b [2024-12-02 11:28:39,409 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41543c2c-f1e5-4ddf-8f7c-e64e643745d8/bin/uautomizer-verify-84ZbGMXZE1/data/899dba628/03d9649b701c4fc1836a3b30185e24ad [2024-12-02 11:28:39,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:28:39,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:28:39,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:28:39,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:28:39,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:28:39,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:28:39" (1/1) ... [2024-12-02 11:28:39,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d91c5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:39, skipping insertion in model container [2024-12-02 11:28:39,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:28:39" (1/1) ... [2024-12-02 11:28:39,447 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:28:39,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:28:39,730 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:28:39,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:28:39,811 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:28:39,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:39 WrapperNode [2024-12-02 11:28:39,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:28:39,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:28:39,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:28:39,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:28:39,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:39" (1/1) ... [2024-12-02 11:28:39,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:39" (1/1) ... [2024-12-02 11:28:39,850 INFO L138 Inliner]: procedures = 165, calls = 42, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 145 [2024-12-02 11:28:39,850 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:28:39,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:28:39,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:28:39,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:28:39,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:39" (1/1) ... [2024-12-02 11:28:39,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:39" (1/1) ... [2024-12-02 11:28:39,863 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:39" (1/1) ... [2024-12-02 11:28:39,878 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-12-02 11:28:39,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:39" (1/1) ... [2024-12-02 11:28:39,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:39" (1/1) ... [2024-12-02 11:28:39,884 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:39" (1/1) ... [2024-12-02 11:28:39,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:39" (1/1) ... [2024-12-02 11:28:39,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:39" (1/1) ... [2024-12-02 11:28:39,889 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:39" (1/1) ... [2024-12-02 11:28:39,890 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:39" (1/1) ... [2024-12-02 11:28:39,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:28:39,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:28:39,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:28:39,893 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:28:39,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:39" (1/1) ... [2024-12-02 11:28:39,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:28:39,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41543c2c-f1e5-4ddf-8f7c-e64e643745d8/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:28:39,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41543c2c-f1e5-4ddf-8f7c-e64e643745d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:28:39,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41543c2c-f1e5-4ddf-8f7c-e64e643745d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:28:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-12-02 11:28:39,951 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-12-02 11:28:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-12-02 11:28:39,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:28:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2024-12-02 11:28:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2024-12-02 11:28:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-12-02 11:28:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-12-02 11:28:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:28:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 11:28:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 11:28:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-12-02 11:28:39,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:28:39,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:28:39,954 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 11:28:40,070 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:28:40,071 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:28:40,315 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 11:28:40,316 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:28:40,462 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:28:40,462 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 11:28:40,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:28:40 BoogieIcfgContainer [2024-12-02 11:28:40,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:28:40,465 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:28:40,465 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:28:40,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:28:40,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:28:39" (1/3) ... [2024-12-02 11:28:40,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30457624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:28:40, skipping insertion in model container [2024-12-02 11:28:40,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:39" (2/3) ... [2024-12-02 11:28:40,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30457624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:28:40, skipping insertion in model container [2024-12-02 11:28:40,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:28:40" (3/3) ... [2024-12-02 11:28:40,471 INFO L128 eAbstractionObserver]: Analyzing ICFG 36-apron_21-traces-cluster-based_true.i [2024-12-02 11:28:40,483 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:28:40,484 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 36-apron_21-traces-cluster-based_true.i that has 4 procedures, 74 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2024-12-02 11:28:40,484 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 11:28:40,533 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-02 11:28:40,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 83 places, 82 transitions, 176 flow [2024-12-02 11:28:40,599 INFO L124 PetriNetUnfolderBase]: 9/79 cut-off events. [2024-12-02 11:28:40,601 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 11:28:40,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 79 events. 9/79 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 194 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2024-12-02 11:28:40,606 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 82 transitions, 176 flow [2024-12-02 11:28:40,609 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 80 places, 79 transitions, 167 flow [2024-12-02 11:28:40,615 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:28:40,626 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;@12974cc2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:28:40,626 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-12-02 11:28:40,636 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 11:28:40,636 INFO L124 PetriNetUnfolderBase]: 2/39 cut-off events. [2024-12-02 11:28:40,636 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 11:28:40,637 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:28:40,637 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:28:40,637 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t2_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [t2_funErr0ASSERT_VIOLATIONMEMORY_LEAK, t3_funErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 7 more)] === [2024-12-02 11:28:40,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:28:40,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1880598954, now seen corresponding path program 1 times [2024-12-02 11:28:40,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:28:40,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763433430] [2024-12-02 11:28:40,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:28:40,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:28:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:28:40,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:28:40,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:28:40,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763433430] [2024-12-02 11:28:40,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763433430] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:28:40,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:28:40,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:28:40,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461433576] [2024-12-02 11:28:40,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:28:40,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:28:40,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:28:40,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:28:40,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:28:40,992 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 82 [2024-12-02 11:28:40,994 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 79 transitions, 167 flow. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:28:40,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:28:40,994 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 82 [2024-12-02 11:28:40,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:28:46,109 INFO L124 PetriNetUnfolderBase]: 43763/66795 cut-off events. [2024-12-02 11:28:46,109 INFO L125 PetriNetUnfolderBase]: For 122/122 co-relation queries the response was YES. [2024-12-02 11:28:46,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 127894 conditions, 66795 events. 43763/66795 cut-off events. For 122/122 co-relation queries the response was YES. Maximal size of possible extension queue 1642. Compared 519114 event pairs, 10183 based on Foata normal form. 9296/75411 useless extension candidates. Maximal degree in co-relation 127883. Up to 16083 conditions per place. [2024-12-02 11:28:46,480 INFO L140 encePairwiseOnDemand]: 67/82 looper letters, 218 selfloop transitions, 11 changer transitions 0/250 dead transitions. [2024-12-02 11:28:46,480 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 250 transitions, 988 flow [2024-12-02 11:28:46,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 11:28:46,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-12-02 11:28:46,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 467 transitions. [2024-12-02 11:28:46,497 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.711890243902439 [2024-12-02 11:28:46,499 INFO L175 Difference]: Start difference. First operand has 80 places, 79 transitions, 167 flow. Second operand 8 states and 467 transitions. [2024-12-02 11:28:46,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 250 transitions, 988 flow [2024-12-02 11:28:46,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 250 transitions, 978 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-12-02 11:28:46,513 INFO L231 Difference]: Finished difference. Result has 84 places, 75 transitions, 201 flow [2024-12-02 11:28:46,516 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=201, PETRI_PLACES=84, PETRI_TRANSITIONS=75} [2024-12-02 11:28:46,520 INFO L279 CegarLoopForPetriNet]: 80 programPoint places, 4 predicate places. [2024-12-02 11:28:46,520 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 75 transitions, 201 flow [2024-12-02 11:28:46,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:28:46,520 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:28:46,520 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:28:46,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 11:28:46,521 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [t2_funErr0ASSERT_VIOLATIONMEMORY_LEAK, t3_funErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 7 more)] === [2024-12-02 11:28:46,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:28:46,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1634123195, now seen corresponding path program 1 times [2024-12-02 11:28:46,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:28:46,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531095045] [2024-12-02 11:28:46,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:28:46,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:28:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:28:46,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:28:46,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:28:46,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531095045] [2024-12-02 11:28:46,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531095045] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:28:46,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:28:46,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:28:46,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085151581] [2024-12-02 11:28:46,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:28:46,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:28:46,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:28:46,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:28:46,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:28:46,702 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 82 [2024-12-02 11:28:46,703 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 75 transitions, 201 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) [2024-12-02 11:28:46,703 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:28:46,703 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 82 [2024-12-02 11:28:46,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:28:52,134 INFO L124 PetriNetUnfolderBase]: 58899/92217 cut-off events. [2024-12-02 11:28:52,135 INFO L125 PetriNetUnfolderBase]: For 17605/17605 co-relation queries the response was YES. [2024-12-02 11:28:52,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 194647 conditions, 92217 events. 58899/92217 cut-off events. For 17605/17605 co-relation queries the response was YES. Maximal size of possible extension queue 2503. Compared 771975 event pairs, 12885 based on Foata normal form. 0/90733 useless extension candidates. Maximal degree in co-relation 194633. Up to 35145 conditions per place. [2024-12-02 11:28:52,705 INFO L140 encePairwiseOnDemand]: 70/82 looper letters, 205 selfloop transitions, 19 changer transitions 0/245 dead transitions. [2024-12-02 11:28:52,705 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 245 transitions, 1128 flow [2024-12-02 11:28:52,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 11:28:52,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-12-02 11:28:52,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 384 transitions. [2024-12-02 11:28:52,708 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5853658536585366 [2024-12-02 11:28:52,708 INFO L175 Difference]: Start difference. First operand has 84 places, 75 transitions, 201 flow. Second operand 8 states and 384 transitions. [2024-12-02 11:28:52,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 245 transitions, 1128 flow [2024-12-02 11:28:53,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 245 transitions, 1128 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-12-02 11:28:53,801 INFO L231 Difference]: Finished difference. Result has 95 places, 90 transitions, 310 flow [2024-12-02 11:28:53,801 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=310, PETRI_PLACES=95, PETRI_TRANSITIONS=90} [2024-12-02 11:28:53,802 INFO L279 CegarLoopForPetriNet]: 80 programPoint places, 15 predicate places. [2024-12-02 11:28:53,802 INFO L471 AbstractCegarLoop]: Abstraction has has 95 places, 90 transitions, 310 flow [2024-12-02 11:28:53,802 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) [2024-12-02 11:28:53,802 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:28:53,802 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:28:53,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:28:53,802 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t3_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [t2_funErr0ASSERT_VIOLATIONMEMORY_LEAK, t3_funErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 7 more)] === [2024-12-02 11:28:53,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:28:53,803 INFO L85 PathProgramCache]: Analyzing trace with hash -2104850499, now seen corresponding path program 1 times [2024-12-02 11:28:53,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:28:53,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654004339] [2024-12-02 11:28:53,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:28:53,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:28:53,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:28:53,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:28:53,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:28:53,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654004339] [2024-12-02 11:28:53,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654004339] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:28:53,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:28:53,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:28:53,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430280792] [2024-12-02 11:28:53,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:28:53,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:28:53,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:28:53,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:28:53,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:28:53,952 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 82 [2024-12-02 11:28:53,953 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 90 transitions, 310 flow. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:28:53,953 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:28:53,953 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 82 [2024-12-02 11:28:53,953 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:29:01,644 INFO L124 PetriNetUnfolderBase]: 76220/124239 cut-off events. [2024-12-02 11:29:01,644 INFO L125 PetriNetUnfolderBase]: For 50931/50931 co-relation queries the response was YES. [2024-12-02 11:29:01,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 285901 conditions, 124239 events. 76220/124239 cut-off events. For 50931/50931 co-relation queries the response was YES. Maximal size of possible extension queue 3684. Compared 1145378 event pairs, 28525 based on Foata normal form. 0/122559 useless extension candidates. Maximal degree in co-relation 285881. Up to 54199 conditions per place. [2024-12-02 11:29:02,352 INFO L140 encePairwiseOnDemand]: 75/82 looper letters, 241 selfloop transitions, 17 changer transitions 0/282 dead transitions. [2024-12-02 11:29:02,352 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 282 transitions, 1516 flow [2024-12-02 11:29:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 11:29:02,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-12-02 11:29:02,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 398 transitions. [2024-12-02 11:29:02,354 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6067073170731707 [2024-12-02 11:29:02,354 INFO L175 Difference]: Start difference. First operand has 95 places, 90 transitions, 310 flow. Second operand 8 states and 398 transitions. [2024-12-02 11:29:02,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 282 transitions, 1516 flow [2024-12-02 11:29:07,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 282 transitions, 1516 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-12-02 11:29:07,714 INFO L231 Difference]: Finished difference. Result has 106 places, 102 transitions, 419 flow [2024-12-02 11:29:07,714 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=419, PETRI_PLACES=106, PETRI_TRANSITIONS=102} [2024-12-02 11:29:07,715 INFO L279 CegarLoopForPetriNet]: 80 programPoint places, 26 predicate places. [2024-12-02 11:29:07,715 INFO L471 AbstractCegarLoop]: Abstraction has has 106 places, 102 transitions, 419 flow [2024-12-02 11:29:07,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:29:07,715 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:29:07,715 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:29:07,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:29:07,715 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [t2_funErr0ASSERT_VIOLATIONMEMORY_LEAK, t3_funErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 7 more)] === [2024-12-02 11:29:07,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:29:07,716 INFO L85 PathProgramCache]: Analyzing trace with hash 2120303021, now seen corresponding path program 1 times [2024-12-02 11:29:07,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:29:07,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381694065] [2024-12-02 11:29:07,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:07,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:29:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:07,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:29:07,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:29:07,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381694065] [2024-12-02 11:29:07,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381694065] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:29:07,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:29:07,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:29:07,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514179591] [2024-12-02 11:29:07,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:29:07,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:29:07,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:29:07,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:29:07,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:29:07,793 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 82 [2024-12-02 11:29:07,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 102 transitions, 419 flow. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:29:07,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:29:07,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 82 [2024-12-02 11:29:07,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:29:14,827 INFO L124 PetriNetUnfolderBase]: 56779/95146 cut-off events. [2024-12-02 11:29:14,827 INFO L125 PetriNetUnfolderBase]: For 60051/60051 co-relation queries the response was YES. [2024-12-02 11:29:15,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 241973 conditions, 95146 events. 56779/95146 cut-off events. For 60051/60051 co-relation queries the response was YES. Maximal size of possible extension queue 3467. Compared 907642 event pairs, 20960 based on Foata normal form. 3727/98728 useless extension candidates. Maximal degree in co-relation 241947. Up to 51317 conditions per place. [2024-12-02 11:29:15,536 INFO L140 encePairwiseOnDemand]: 69/82 looper letters, 132 selfloop transitions, 13 changer transitions 0/171 dead transitions. [2024-12-02 11:29:15,536 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 171 transitions, 1028 flow [2024-12-02 11:29:15,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:29:15,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:29:15,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 163 transitions. [2024-12-02 11:29:15,538 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6626016260162602 [2024-12-02 11:29:15,538 INFO L175 Difference]: Start difference. First operand has 106 places, 102 transitions, 419 flow. Second operand 3 states and 163 transitions. [2024-12-02 11:29:15,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 171 transitions, 1028 flow [2024-12-02 11:29:21,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 171 transitions, 1028 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-12-02 11:29:21,124 INFO L231 Difference]: Finished difference. Result has 109 places, 110 transitions, 490 flow [2024-12-02 11:29:21,125 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=419, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=490, PETRI_PLACES=109, PETRI_TRANSITIONS=110} [2024-12-02 11:29:21,125 INFO L279 CegarLoopForPetriNet]: 80 programPoint places, 29 predicate places. [2024-12-02 11:29:21,125 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 110 transitions, 490 flow [2024-12-02 11:29:21,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:29:21,125 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:29:21,125 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:29:21,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:29:21,125 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [t2_funErr0ASSERT_VIOLATIONMEMORY_LEAK, t3_funErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 7 more)] === [2024-12-02 11:29:21,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:29:21,126 INFO L85 PathProgramCache]: Analyzing trace with hash 875421250, now seen corresponding path program 1 times [2024-12-02 11:29:21,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:29:21,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949802314] [2024-12-02 11:29:21,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:21,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:29:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:21,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:29:21,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:29:21,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949802314] [2024-12-02 11:29:21,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949802314] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:29:21,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:29:21,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 11:29:21,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400649775] [2024-12-02 11:29:21,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:29:21,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:29:21,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:29:21,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:29:21,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:29:21,171 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 82 [2024-12-02 11:29:21,171 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 110 transitions, 490 flow. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:29:21,171 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:29:21,171 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 82 [2024-12-02 11:29:21,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:29:28,587 INFO L124 PetriNetUnfolderBase]: 56779/97243 cut-off events. [2024-12-02 11:29:28,587 INFO L125 PetriNetUnfolderBase]: For 81352/82009 co-relation queries the response was YES. [2024-12-02 11:29:28,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 280196 conditions, 97243 events. 56779/97243 cut-off events. For 81352/82009 co-relation queries the response was YES. Maximal size of possible extension queue 3632. Compared 950197 event pairs, 37972 based on Foata normal form. 3047/100103 useless extension candidates. Maximal degree in co-relation 280168. Up to 81884 conditions per place. [2024-12-02 11:29:29,214 INFO L140 encePairwiseOnDemand]: 80/82 looper letters, 83 selfloop transitions, 1 changer transitions 0/109 dead transitions. [2024-12-02 11:29:29,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 109 transitions, 656 flow [2024-12-02 11:29:29,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:29:29,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:29:29,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2024-12-02 11:29:29,216 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4796747967479675 [2024-12-02 11:29:29,216 INFO L175 Difference]: Start difference. First operand has 109 places, 110 transitions, 490 flow. Second operand 3 states and 118 transitions. [2024-12-02 11:29:29,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 109 transitions, 656 flow [2024-12-02 11:29:33,992 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 109 transitions, 643 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 11:29:33,993 INFO L231 Difference]: Finished difference. Result has 109 places, 109 transitions, 477 flow [2024-12-02 11:29:33,994 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=477, PETRI_PLACES=109, PETRI_TRANSITIONS=109} [2024-12-02 11:29:33,994 INFO L279 CegarLoopForPetriNet]: 80 programPoint places, 29 predicate places. [2024-12-02 11:29:33,994 INFO L471 AbstractCegarLoop]: Abstraction has has 109 places, 109 transitions, 477 flow [2024-12-02 11:29:33,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:29:33,994 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:29:33,994 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:29:33,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 11:29:33,994 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [t2_funErr0ASSERT_VIOLATIONMEMORY_LEAK, t3_funErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 7 more)] === [2024-12-02 11:29:33,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:29:33,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1010036993, now seen corresponding path program 1 times [2024-12-02 11:29:33,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:29:33,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579210202] [2024-12-02 11:29:33,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:33,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:29:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:34,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:29:34,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:29:34,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579210202] [2024-12-02 11:29:34,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579210202] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:29:34,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:29:34,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:29:34,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961661439] [2024-12-02 11:29:34,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:29:34,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:29:34,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:29:34,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:29:34,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:29:34,174 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 82 [2024-12-02 11:29:34,175 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 109 transitions, 477 flow. Second operand has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:29:34,175 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:29:34,175 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 82 [2024-12-02 11:29:34,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:29:38,019 INFO L124 PetriNetUnfolderBase]: 27669/48184 cut-off events. [2024-12-02 11:29:38,020 INFO L125 PetriNetUnfolderBase]: For 36398/36814 co-relation queries the response was YES. [2024-12-02 11:29:38,153 INFO L83 FinitePrefix]: Finished finitePrefix Result has 131978 conditions, 48184 events. 27669/48184 cut-off events. For 36398/36814 co-relation queries the response was YES. Maximal size of possible extension queue 1524. Compared 432035 event pairs, 8087 based on Foata normal form. 1611/49682 useless extension candidates. Maximal degree in co-relation 131953. Up to 24873 conditions per place. [2024-12-02 11:29:38,252 INFO L140 encePairwiseOnDemand]: 75/82 looper letters, 117 selfloop transitions, 10 changer transitions 0/152 dead transitions. [2024-12-02 11:29:38,252 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 152 transitions, 914 flow [2024-12-02 11:29:38,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:29:38,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 11:29:38,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 173 transitions. [2024-12-02 11:29:38,253 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5274390243902439 [2024-12-02 11:29:38,253 INFO L175 Difference]: Start difference. First operand has 109 places, 109 transitions, 477 flow. Second operand 4 states and 173 transitions. [2024-12-02 11:29:38,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 152 transitions, 914 flow [2024-12-02 11:29:39,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 152 transitions, 913 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 11:29:39,238 INFO L231 Difference]: Finished difference. Result has 111 places, 109 transitions, 496 flow [2024-12-02 11:29:39,238 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=496, PETRI_PLACES=111, PETRI_TRANSITIONS=109} [2024-12-02 11:29:39,238 INFO L279 CegarLoopForPetriNet]: 80 programPoint places, 31 predicate places. [2024-12-02 11:29:39,239 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 109 transitions, 496 flow [2024-12-02 11:29:39,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.4) internal successors, (142), 5 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:29:39,239 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:29:39,239 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] [2024-12-02 11:29:39,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 11:29:39,239 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t2_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [t2_funErr0ASSERT_VIOLATIONMEMORY_LEAK, t3_funErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 7 more)] === [2024-12-02 11:29:39,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:29:39,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1543544334, now seen corresponding path program 1 times [2024-12-02 11:29:39,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:29:39,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984362292] [2024-12-02 11:29:39,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:39,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:29:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:39,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:29:39,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:29:39,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984362292] [2024-12-02 11:29:39,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984362292] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:29:39,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:29:39,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:29:39,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045839655] [2024-12-02 11:29:39,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:29:39,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:29:39,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:29:39,324 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:29:39,324 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:29:39,333 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 82 [2024-12-02 11:29:39,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 109 transitions, 496 flow. Second operand has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:29:39,333 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:29:39,333 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 82 [2024-12-02 11:29:39,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:29:43,271 INFO L124 PetriNetUnfolderBase]: 30950/50242 cut-off events. [2024-12-02 11:29:43,271 INFO L125 PetriNetUnfolderBase]: For 44246/44466 co-relation queries the response was YES. [2024-12-02 11:29:43,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 145908 conditions, 50242 events. 30950/50242 cut-off events. For 44246/44466 co-relation queries the response was YES. Maximal size of possible extension queue 1501. Compared 417392 event pairs, 6501 based on Foata normal form. 719/50878 useless extension candidates. Maximal degree in co-relation 145882. Up to 15023 conditions per place. [2024-12-02 11:29:43,524 INFO L140 encePairwiseOnDemand]: 76/82 looper letters, 220 selfloop transitions, 27 changer transitions 27/295 dead transitions. [2024-12-02 11:29:43,524 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 295 transitions, 1927 flow [2024-12-02 11:29:43,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-02 11:29:43,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-12-02 11:29:43,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 381 transitions. [2024-12-02 11:29:43,526 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5807926829268293 [2024-12-02 11:29:43,526 INFO L175 Difference]: Start difference. First operand has 111 places, 109 transitions, 496 flow. Second operand 8 states and 381 transitions. [2024-12-02 11:29:43,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 295 transitions, 1927 flow [2024-12-02 11:29:44,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 295 transitions, 1873 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-12-02 11:29:44,568 INFO L231 Difference]: Finished difference. Result has 111 places, 113 transitions, 587 flow [2024-12-02 11:29:44,568 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=587, PETRI_PLACES=111, PETRI_TRANSITIONS=113} [2024-12-02 11:29:44,568 INFO L279 CegarLoopForPetriNet]: 80 programPoint places, 31 predicate places. [2024-12-02 11:29:44,569 INFO L471 AbstractCegarLoop]: Abstraction has has 111 places, 113 transitions, 587 flow [2024-12-02 11:29:44,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.0) internal successors, (162), 6 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:29:44,569 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:29:44,569 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:29:44,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 11:29:44,569 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [t2_funErr0ASSERT_VIOLATIONMEMORY_LEAK, t3_funErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 7 more)] === [2024-12-02 11:29:44,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:29:44,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1417981636, now seen corresponding path program 1 times [2024-12-02 11:29:44,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:29:44,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916770676] [2024-12-02 11:29:44,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:44,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:29:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:44,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:29:44,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:29:44,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916770676] [2024-12-02 11:29:44,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916770676] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:29:44,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:29:44,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:29:44,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478540981] [2024-12-02 11:29:44,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:29:44,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:29:44,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:29:44,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:29:44,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:29:44,731 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 82 [2024-12-02 11:29:44,731 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 113 transitions, 587 flow. Second operand has 6 states, 6 states have (on average 26.5) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:29:44,731 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:29:44,731 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 82 [2024-12-02 11:29:44,731 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:29:48,350 INFO L124 PetriNetUnfolderBase]: 26472/42719 cut-off events. [2024-12-02 11:29:48,350 INFO L125 PetriNetUnfolderBase]: For 41703/41769 co-relation queries the response was YES. [2024-12-02 11:29:48,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125979 conditions, 42719 events. 26472/42719 cut-off events. For 41703/41769 co-relation queries the response was YES. Maximal size of possible extension queue 1146. Compared 339959 event pairs, 5673 based on Foata normal form. 714/43403 useless extension candidates. Maximal degree in co-relation 125954. Up to 9949 conditions per place. [2024-12-02 11:29:48,549 INFO L140 encePairwiseOnDemand]: 69/82 looper letters, 207 selfloop transitions, 45 changer transitions 34/305 dead transitions. [2024-12-02 11:29:48,549 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 305 transitions, 1966 flow [2024-12-02 11:29:48,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 11:29:48,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-12-02 11:29:48,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 490 transitions. [2024-12-02 11:29:48,550 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.49796747967479676 [2024-12-02 11:29:48,550 INFO L175 Difference]: Start difference. First operand has 111 places, 113 transitions, 587 flow. Second operand 12 states and 490 transitions. [2024-12-02 11:29:48,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 305 transitions, 1966 flow [2024-12-02 11:29:48,956 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 305 transitions, 1963 flow, removed 1 selfloop flow, removed 1 redundant places. [2024-12-02 11:29:48,958 INFO L231 Difference]: Finished difference. Result has 124 places, 126 transitions, 777 flow [2024-12-02 11:29:48,958 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=78, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=777, PETRI_PLACES=124, PETRI_TRANSITIONS=126} [2024-12-02 11:29:48,958 INFO L279 CegarLoopForPetriNet]: 80 programPoint places, 44 predicate places. [2024-12-02 11:29:48,958 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 126 transitions, 777 flow [2024-12-02 11:29:48,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.5) internal successors, (159), 6 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:29:48,959 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:29:48,959 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] [2024-12-02 11:29:48,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 11:29:48,959 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t3_funErr0ASSERT_VIOLATIONMEMORY_LEAK === [t2_funErr0ASSERT_VIOLATIONMEMORY_LEAK, t3_funErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 7 more)] === [2024-12-02 11:29:48,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:29:48,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1545033150, now seen corresponding path program 1 times [2024-12-02 11:29:48,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:29:48,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188655221] [2024-12-02 11:29:48,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:48,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:29:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:49,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:29:49,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:29:49,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188655221] [2024-12-02 11:29:49,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188655221] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:29:49,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:29:49,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 11:29:49,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789448786] [2024-12-02 11:29:49,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:29:49,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 11:29:49,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:29:49,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 11:29:49,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 11:29:49,095 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 82 [2024-12-02 11:29:49,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 126 transitions, 777 flow. Second operand has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 6 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:29:49,096 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:29:49,096 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 82 [2024-12-02 11:29:49,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:29:52,643 INFO L124 PetriNetUnfolderBase]: 24701/40281 cut-off events. [2024-12-02 11:29:52,643 INFO L125 PetriNetUnfolderBase]: For 60382/60409 co-relation queries the response was YES. [2024-12-02 11:29:52,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129111 conditions, 40281 events. 24701/40281 cut-off events. For 60382/60409 co-relation queries the response was YES. Maximal size of possible extension queue 1043. Compared 319679 event pairs, 6498 based on Foata normal form. 472/40714 useless extension candidates. Maximal degree in co-relation 129082. Up to 8114 conditions per place. [2024-12-02 11:29:52,800 INFO L140 encePairwiseOnDemand]: 75/82 looper letters, 111 selfloop transitions, 20 changer transitions 160/307 dead transitions. [2024-12-02 11:29:52,800 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 307 transitions, 2236 flow [2024-12-02 11:29:52,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 11:29:52,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-12-02 11:29:52,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 471 transitions. [2024-12-02 11:29:52,802 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5221729490022173 [2024-12-02 11:29:52,802 INFO L175 Difference]: Start difference. First operand has 124 places, 126 transitions, 777 flow. Second operand 11 states and 471 transitions. [2024-12-02 11:29:52,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 307 transitions, 2236 flow [2024-12-02 11:29:53,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 307 transitions, 2165 flow, removed 3 selfloop flow, removed 6 redundant places. [2024-12-02 11:29:53,426 INFO L231 Difference]: Finished difference. Result has 125 places, 84 transitions, 462 flow [2024-12-02 11:29:53,426 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=462, PETRI_PLACES=125, PETRI_TRANSITIONS=84} [2024-12-02 11:29:53,427 INFO L279 CegarLoopForPetriNet]: 80 programPoint places, 45 predicate places. [2024-12-02 11:29:53,427 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 84 transitions, 462 flow [2024-12-02 11:29:53,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.833333333333332) internal successors, (167), 6 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:29:53,427 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:29:53,427 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] [2024-12-02 11:29:53,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 11:29:53,427 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [t2_funErr0ASSERT_VIOLATIONMEMORY_LEAK, t3_funErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 7 more)] === [2024-12-02 11:29:53,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:29:53,428 INFO L85 PathProgramCache]: Analyzing trace with hash 434757750, now seen corresponding path program 1 times [2024-12-02 11:29:53,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:29:53,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778310514] [2024-12-02 11:29:53,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:29:53,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:29:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:29:53,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:29:53,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:29:53,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778310514] [2024-12-02 11:29:53,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778310514] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:29:53,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:29:53,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:29:53,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578302488] [2024-12-02 11:29:53,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:29:53,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:29:53,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:29:53,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:29:53,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:29:53,637 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 25 out of 82 [2024-12-02 11:29:53,637 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 84 transitions, 462 flow. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 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) [2024-12-02 11:29:53,638 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:29:53,638 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 25 of 82 [2024-12-02 11:29:53,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:29:53,910 INFO L124 PetriNetUnfolderBase]: 1444/2503 cut-off events. [2024-12-02 11:29:53,911 INFO L125 PetriNetUnfolderBase]: For 2626/2692 co-relation queries the response was YES. [2024-12-02 11:29:53,915 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7256 conditions, 2503 events. 1444/2503 cut-off events. For 2626/2692 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 13557 event pairs, 509 based on Foata normal form. 114/2610 useless extension candidates. Maximal degree in co-relation 7241. Up to 1376 conditions per place. [2024-12-02 11:29:53,916 INFO L140 encePairwiseOnDemand]: 72/82 looper letters, 0 selfloop transitions, 0 changer transitions 82/82 dead transitions. [2024-12-02 11:29:53,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 82 transitions, 554 flow [2024-12-02 11:29:53,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:29:53,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 11:29:53,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 152 transitions. [2024-12-02 11:29:53,918 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4634146341463415 [2024-12-02 11:29:53,918 INFO L175 Difference]: Start difference. First operand has 125 places, 84 transitions, 462 flow. Second operand 4 states and 152 transitions. [2024-12-02 11:29:53,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 82 transitions, 554 flow [2024-12-02 11:29:53,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 82 transitions, 477 flow, removed 2 selfloop flow, removed 19 redundant places. [2024-12-02 11:29:53,925 INFO L231 Difference]: Finished difference. Result has 77 places, 0 transitions, 0 flow [2024-12-02 11:29:53,925 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=82, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=77, PETRI_TRANSITIONS=0} [2024-12-02 11:29:53,925 INFO L279 CegarLoopForPetriNet]: 80 programPoint places, -3 predicate places. [2024-12-02 11:29:53,925 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 0 transitions, 0 flow [2024-12-02 11:29:53,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 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) [2024-12-02 11:29:53,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONMEMORY_LEAK (9 of 10 remaining) [2024-12-02 11:29:53,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t3_funErr0ASSERT_VIOLATIONMEMORY_LEAK (8 of 10 remaining) [2024-12-02 11:29:53,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (7 of 10 remaining) [2024-12-02 11:29:53,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (6 of 10 remaining) [2024-12-02 11:29:53,928 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (5 of 10 remaining) [2024-12-02 11:29:53,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2024-12-02 11:29:53,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 10 remaining) [2024-12-02 11:29:53,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 10 remaining) [2024-12-02 11:29:53,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2_funErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 10 remaining) [2024-12-02 11:29:53,929 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t3_funErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 10 remaining) [2024-12-02 11:29:53,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 11:29:53,929 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:29:53,934 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 11:29:53,934 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 11:29:53,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:29:53 BasicIcfg [2024-12-02 11:29:53,938 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 11:29:53,939 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:29:53,939 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:29:53,939 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:29:53,940 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:28:40" (3/4) ... [2024-12-02 11:29:53,941 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 11:29:53,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2_fun [2024-12-02 11:29:53,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t3_fun [2024-12-02 11:29:53,944 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-12-02 11:29:53,947 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2024-12-02 11:29:53,947 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-12-02 11:29:53,947 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-02 11:29:53,947 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 11:29:54,001 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41543c2c-f1e5-4ddf-8f7c-e64e643745d8/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 11:29:54,001 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41543c2c-f1e5-4ddf-8f7c-e64e643745d8/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 11:29:54,001 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:29:54,002 INFO L158 Benchmark]: Toolchain (without parser) took 74589.20ms. Allocated memory was 142.6MB in the beginning and 11.6GB in the end (delta: 11.5GB). Free memory was 114.9MB in the beginning and 7.1GB in the end (delta: -6.9GB). Peak memory consumption was 4.5GB. Max. memory is 16.1GB. [2024-12-02 11:29:54,002 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:29:54,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.32ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 94.7MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 11:29:54,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.13ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 92.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:29:54,003 INFO L158 Benchmark]: Boogie Preprocessor took 41.64ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 90.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:29:54,003 INFO L158 Benchmark]: RCFGBuilder took 569.87ms. Allocated memory is still 142.6MB. Free memory was 90.7MB in the beginning and 112.0MB in the end (delta: -21.4MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-12-02 11:29:54,004 INFO L158 Benchmark]: TraceAbstraction took 73473.83ms. Allocated memory was 142.6MB in the beginning and 11.6GB in the end (delta: 11.5GB). Free memory was 111.4MB in the beginning and 7.1GB in the end (delta: -7.0GB). Peak memory consumption was 4.5GB. Max. memory is 16.1GB. [2024-12-02 11:29:54,004 INFO L158 Benchmark]: Witness Printer took 62.34ms. Allocated memory is still 11.6GB. Free memory was 7.1GB in the beginning and 7.1GB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:29:54,006 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.32ms. Allocated memory is still 142.6MB. Free memory was 114.9MB in the beginning and 94.7MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.13ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 92.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.64ms. Allocated memory is still 142.6MB. Free memory was 92.6MB in the beginning and 90.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 569.87ms. Allocated memory is still 142.6MB. Free memory was 90.7MB in the beginning and 112.0MB in the end (delta: -21.4MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * TraceAbstraction took 73473.83ms. Allocated memory was 142.6MB in the beginning and 11.6GB in the end (delta: 11.5GB). Free memory was 111.4MB in the beginning and 7.1GB in the end (delta: -7.0GB). Peak memory consumption was 4.5GB. Max. memory is 16.1GB. * Witness Printer took 62.34ms. Allocated memory is still 11.6GB. Free memory was 7.1GB in the beginning and 7.1GB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 723]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 18]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 121 locations, 10 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: 73.4s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 71.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1158 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1144 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 57 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3001 IncrementalHoareTripleChecker+Invalid, 3053 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 0 mSDtfsCounter, 3001 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=777occurred in iteration=8, InterpolantAutomatonStates: 69, 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, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 221 NumberOfCodeBlocks, 221 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 211 ConstructedInterpolants, 0 QuantifiedInterpolants, 843 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 11:29:54,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41543c2c-f1e5-4ddf-8f7c-e64e643745d8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE