./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_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_44aa437a-0243-4361-a58c-fed5a8f659fe/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44aa437a-0243-4361-a58c-fed5a8f659fe/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44aa437a-0243-4361-a58c-fed5a8f659fe/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44aa437a-0243-4361-a58c-fed5a8f659fe/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44aa437a-0243-4361-a58c-fed5a8f659fe/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44aa437a-0243-4361-a58c-fed5a8f659fe/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f8eb81fe04afedf177636b6e0b2ff7ec90c549122dc143b3ac2872279b10356 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:07:47,775 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:07:47,867 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44aa437a-0243-4361-a58c-fed5a8f659fe/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-28 05:07:47,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:07:47,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:07:47,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:07:47,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:07:47,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:07:47,910 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:07:47,911 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:07:47,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:07:47,911 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:07:47,911 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:07:47,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:07:47,912 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:07:47,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:07:47,913 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:07:47,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:07:47,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:07:47,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:07:47,913 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 05:07:47,914 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 05:07:47,914 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 05:07:47,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:07:47,914 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 05:07:47,914 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 05:07:47,914 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:07:47,914 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:07:47,914 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:07:47,914 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:07:47,914 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:07:47,914 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:07:47,914 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:07:47,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:07:47,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:07:47,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:07:47,915 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:07:47,915 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:07:47,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:07:47,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:07:47,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:07:47,916 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:07:47,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:07:47,917 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:07:47,917 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:07:47,917 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:07:47,917 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:07:47,917 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_44aa437a-0243-4361-a58c-fed5a8f659fe/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f8eb81fe04afedf177636b6e0b2ff7ec90c549122dc143b3ac2872279b10356 [2024-11-28 05:07:48,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:07:48,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:07:48,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:07:48,207 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:07:48,207 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:07:48,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44aa437a-0243-4361-a58c-fed5a8f659fe/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2024-11-28 05:07:51,127 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44aa437a-0243-4361-a58c-fed5a8f659fe/bin/uautomizer-verify-aQ6SnzHsRB/data/26e4ee814/d2a7290fc9c443f6a05b48e77646e1ec/FLAG3946aa03b [2024-11-28 05:07:51,576 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:07:51,577 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44aa437a-0243-4361-a58c-fed5a8f659fe/sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2024-11-28 05:07:51,604 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44aa437a-0243-4361-a58c-fed5a8f659fe/bin/uautomizer-verify-aQ6SnzHsRB/data/26e4ee814/d2a7290fc9c443f6a05b48e77646e1ec/FLAG3946aa03b [2024-11-28 05:07:51,628 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44aa437a-0243-4361-a58c-fed5a8f659fe/bin/uautomizer-verify-aQ6SnzHsRB/data/26e4ee814/d2a7290fc9c443f6a05b48e77646e1ec [2024-11-28 05:07:51,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:07:51,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:07:51,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:07:51,637 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:07:51,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:07:51,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:07:51" (1/1) ... [2024-11-28 05:07:51,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed51de3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:51, skipping insertion in model container [2024-11-28 05:07:51,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:07:51" (1/1) ... [2024-11-28 05:07:51,688 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:07:52,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:07:52,132 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:07:52,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:07:52,211 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:07:52,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:52 WrapperNode [2024-11-28 05:07:52,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:07:52,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:07:52,213 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:07:52,213 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:07:52,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:52" (1/1) ... [2024-11-28 05:07:52,233 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:52" (1/1) ... [2024-11-28 05:07:52,252 INFO L138 Inliner]: procedures = 162, calls = 32, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 61 [2024-11-28 05:07:52,252 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:07:52,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:07:52,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:07:52,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:07:52,261 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:52" (1/1) ... [2024-11-28 05:07:52,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:52" (1/1) ... [2024-11-28 05:07:52,264 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:52" (1/1) ... [2024-11-28 05:07:52,275 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]. [2024-11-28 05:07:52,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:52" (1/1) ... [2024-11-28 05:07:52,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:52" (1/1) ... [2024-11-28 05:07:52,282 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:52" (1/1) ... [2024-11-28 05:07:52,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:52" (1/1) ... [2024-11-28 05:07:52,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:52" (1/1) ... [2024-11-28 05:07:52,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:52" (1/1) ... [2024-11-28 05:07:52,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:52" (1/1) ... [2024-11-28 05:07:52,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:07:52,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:07:52,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:07:52,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:07:52,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:52" (1/1) ... [2024-11-28 05:07:52,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:07:52,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44aa437a-0243-4361-a58c-fed5a8f659fe/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:07:52,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44aa437a-0243-4361-a58c-fed5a8f659fe/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:07:52,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44aa437a-0243-4361-a58c-fed5a8f659fe/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:07:52,352 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 05:07:52,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:07:52,352 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-28 05:07:52,352 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-28 05:07:52,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:07:52,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 05:07:52,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 05:07:52,353 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 05:07:52,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:07:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:07:52,354 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 05:07:52,464 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:07:52,466 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:07:52,730 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 05:07:52,730 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:07:52,916 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:07:52,916 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 05:07:52,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:07:52 BoogieIcfgContainer [2024-11-28 05:07:52,916 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:07:52,919 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:07:52,919 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:07:52,925 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:07:52,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:07:51" (1/3) ... [2024-11-28 05:07:52,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa2facf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:07:52, skipping insertion in model container [2024-11-28 05:07:52,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:07:52" (2/3) ... [2024-11-28 05:07:52,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa2facf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:07:52, skipping insertion in model container [2024-11-28 05:07:52,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:07:52" (3/3) ... [2024-11-28 05:07:52,930 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_30-traces-oplus-vs-meet_true.i [2024-11-28 05:07:52,947 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:07:52,949 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_30-traces-oplus-vs-meet_true.i that has 2 procedures, 42 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-28 05:07:52,949 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 05:07:53,006 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-28 05:07:53,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 45 transitions, 97 flow [2024-11-28 05:07:53,120 INFO L124 PetriNetUnfolderBase]: 4/44 cut-off events. [2024-11-28 05:07:53,124 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 05:07:53,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 44 events. 4/44 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 49 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2024-11-28 05:07:53,128 INFO L82 GeneralOperation]: Start removeDead. Operand has 45 places, 45 transitions, 97 flow [2024-11-28 05:07:53,131 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 43 places, 43 transitions, 92 flow [2024-11-28 05:07:53,141 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:07:53,161 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;@491bab64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:07:53,162 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-28 05:07:53,169 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 05:07:53,173 INFO L124 PetriNetUnfolderBase]: 2/9 cut-off events. [2024-11-28 05:07:53,173 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 05:07:53,173 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:53,174 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-28 05:07:53,174 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] === [2024-11-28 05:07:53,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:53,182 INFO L85 PathProgramCache]: Analyzing trace with hash 8232635, now seen corresponding path program 1 times [2024-11-28 05:07:53,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:53,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370288781] [2024-11-28 05:07:53,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:53,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:53,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:53,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:53,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370288781] [2024-11-28 05:07:53,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370288781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:53,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:53,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:07:53,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458222106] [2024-11-28 05:07:53,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:53,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:53,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:53,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:53,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:53,541 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 45 [2024-11-28 05:07:53,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 43 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:53,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:53,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 45 [2024-11-28 05:07:53,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:53,758 INFO L124 PetriNetUnfolderBase]: 81/230 cut-off events. [2024-11-28 05:07:53,759 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-28 05:07:53,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 421 conditions, 230 events. 81/230 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 956 event pairs, 72 based on Foata normal form. 20/237 useless extension candidates. Maximal degree in co-relation 403. Up to 165 conditions per place. [2024-11-28 05:07:53,764 INFO L140 encePairwiseOnDemand]: 38/45 looper letters, 28 selfloop transitions, 4 changer transitions 0/43 dead transitions. [2024-11-28 05:07:53,766 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 43 transitions, 156 flow [2024-11-28 05:07:53,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:53,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:07:53,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 77 transitions. [2024-11-28 05:07:53,780 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5703703703703704 [2024-11-28 05:07:53,782 INFO L175 Difference]: Start difference. First operand has 43 places, 43 transitions, 92 flow. Second operand 3 states and 77 transitions. [2024-11-28 05:07:53,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 43 transitions, 156 flow [2024-11-28 05:07:53,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 43 transitions, 152 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:07:53,792 INFO L231 Difference]: Finished difference. Result has 38 places, 34 transitions, 78 flow [2024-11-28 05:07:53,795 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=38, PETRI_TRANSITIONS=34} [2024-11-28 05:07:53,801 INFO L279 CegarLoopForPetriNet]: 43 programPoint places, -5 predicate places. [2024-11-28 05:07:53,802 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 34 transitions, 78 flow [2024-11-28 05:07:53,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:53,804 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:53,804 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:53,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:07:53,805 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] === [2024-11-28 05:07:53,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:53,805 INFO L85 PathProgramCache]: Analyzing trace with hash -2023307017, now seen corresponding path program 1 times [2024-11-28 05:07:53,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:53,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336501318] [2024-11-28 05:07:53,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:53,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:53,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:54,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:54,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:54,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336501318] [2024-11-28 05:07:54,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336501318] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:54,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:54,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:07:54,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630647376] [2024-11-28 05:07:54,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:54,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:07:54,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:54,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:07:54,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:07:54,093 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 45 [2024-11-28 05:07:54,094 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 34 transitions, 78 flow. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:54,094 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:54,094 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 45 [2024-11-28 05:07:54,094 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:54,397 INFO L124 PetriNetUnfolderBase]: 99/273 cut-off events. [2024-11-28 05:07:54,397 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2024-11-28 05:07:54,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 544 conditions, 273 events. 99/273 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1203 event pairs, 36 based on Foata normal form. 14/286 useless extension candidates. Maximal degree in co-relation 240. Up to 121 conditions per place. [2024-11-28 05:07:54,400 INFO L140 encePairwiseOnDemand]: 37/45 looper letters, 43 selfloop transitions, 14 changer transitions 0/68 dead transitions. [2024-11-28 05:07:54,402 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 68 transitions, 272 flow [2024-11-28 05:07:54,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:07:54,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-28 05:07:54,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 158 transitions. [2024-11-28 05:07:54,405 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5015873015873016 [2024-11-28 05:07:54,405 INFO L175 Difference]: Start difference. First operand has 38 places, 34 transitions, 78 flow. Second operand 7 states and 158 transitions. [2024-11-28 05:07:54,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 68 transitions, 272 flow [2024-11-28 05:07:54,406 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 68 transitions, 252 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:07:54,408 INFO L231 Difference]: Finished difference. Result has 47 places, 44 transitions, 155 flow [2024-11-28 05:07:54,409 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=155, PETRI_PLACES=47, PETRI_TRANSITIONS=44} [2024-11-28 05:07:54,409 INFO L279 CegarLoopForPetriNet]: 43 programPoint places, 4 predicate places. [2024-11-28 05:07:54,409 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 44 transitions, 155 flow [2024-11-28 05:07:54,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:54,410 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:54,410 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:54,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:07:54,410 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] === [2024-11-28 05:07:54,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:54,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1090091043, now seen corresponding path program 1 times [2024-11-28 05:07:54,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:54,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569660670] [2024-11-28 05:07:54,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:54,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:54,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:54,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:54,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569660670] [2024-11-28 05:07:54,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569660670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:54,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:54,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:07:54,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672403316] [2024-11-28 05:07:54,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:54,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:54,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:54,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:54,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:54,607 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-11-28 05:07:54,607 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 44 transitions, 155 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:54,607 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:54,607 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-11-28 05:07:54,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:54,747 INFO L124 PetriNetUnfolderBase]: 41/164 cut-off events. [2024-11-28 05:07:54,747 INFO L125 PetriNetUnfolderBase]: For 39/41 co-relation queries the response was YES. [2024-11-28 05:07:54,748 INFO L83 FinitePrefix]: Finished finitePrefix Result has 366 conditions, 164 events. 41/164 cut-off events. For 39/41 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 632 event pairs, 14 based on Foata normal form. 13/174 useless extension candidates. Maximal degree in co-relation 351. Up to 70 conditions per place. [2024-11-28 05:07:54,750 INFO L140 encePairwiseOnDemand]: 37/45 looper letters, 29 selfloop transitions, 8 changer transitions 0/51 dead transitions. [2024-11-28 05:07:54,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 51 transitions, 234 flow [2024-11-28 05:07:54,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:54,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:07:54,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 85 transitions. [2024-11-28 05:07:54,757 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6296296296296297 [2024-11-28 05:07:54,757 INFO L175 Difference]: Start difference. First operand has 47 places, 44 transitions, 155 flow. Second operand 3 states and 85 transitions. [2024-11-28 05:07:54,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 51 transitions, 234 flow [2024-11-28 05:07:54,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 51 transitions, 212 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-28 05:07:54,763 INFO L231 Difference]: Finished difference. Result has 44 places, 42 transitions, 144 flow [2024-11-28 05:07:54,763 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=44, PETRI_TRANSITIONS=42} [2024-11-28 05:07:54,764 INFO L279 CegarLoopForPetriNet]: 43 programPoint places, 1 predicate places. [2024-11-28 05:07:54,764 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 42 transitions, 144 flow [2024-11-28 05:07:54,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:54,765 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:54,765 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:54,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:07:54,766 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] === [2024-11-28 05:07:54,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:54,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1287547462, now seen corresponding path program 1 times [2024-11-28 05:07:54,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:54,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949684274] [2024-11-28 05:07:54,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:54,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:55,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:55,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949684274] [2024-11-28 05:07:55,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949684274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:55,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:55,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:07:55,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629116206] [2024-11-28 05:07:55,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:55,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:07:55,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:55,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:07:55,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:07:55,052 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-11-28 05:07:55,053 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 42 transitions, 144 flow. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:55,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:55,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-11-28 05:07:55,054 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:55,163 INFO L124 PetriNetUnfolderBase]: 30/134 cut-off events. [2024-11-28 05:07:55,163 INFO L125 PetriNetUnfolderBase]: For 50/53 co-relation queries the response was YES. [2024-11-28 05:07:55,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 134 events. 30/134 cut-off events. For 50/53 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 419 event pairs, 9 based on Foata normal form. 6/140 useless extension candidates. Maximal degree in co-relation 152. Up to 71 conditions per place. [2024-11-28 05:07:55,164 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 22 selfloop transitions, 7 changer transitions 0/40 dead transitions. [2024-11-28 05:07:55,164 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 40 transitions, 193 flow [2024-11-28 05:07:55,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:07:55,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 05:07:55,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2024-11-28 05:07:55,168 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5 [2024-11-28 05:07:55,168 INFO L175 Difference]: Start difference. First operand has 44 places, 42 transitions, 144 flow. Second operand 4 states and 90 transitions. [2024-11-28 05:07:55,168 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 40 transitions, 193 flow [2024-11-28 05:07:55,170 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 40 transitions, 170 flow, removed 1 selfloop flow, removed 5 redundant places. [2024-11-28 05:07:55,175 INFO L231 Difference]: Finished difference. Result has 38 places, 36 transitions, 114 flow [2024-11-28 05:07:55,175 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=114, PETRI_PLACES=38, PETRI_TRANSITIONS=36} [2024-11-28 05:07:55,176 INFO L279 CegarLoopForPetriNet]: 43 programPoint places, -5 predicate places. [2024-11-28 05:07:55,176 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 36 transitions, 114 flow [2024-11-28 05:07:55,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:55,176 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 05:07:55,177 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:07:55,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:07:55,177 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (and 1 more)] === [2024-11-28 05:07:55,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:07:55,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1488383420, now seen corresponding path program 1 times [2024-11-28 05:07:55,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:07:55,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397643173] [2024-11-28 05:07:55,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:07:55,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:07:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:07:55,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:07:55,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:07:55,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397643173] [2024-11-28 05:07:55,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397643173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:07:55,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:07:55,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 05:07:55,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619962209] [2024-11-28 05:07:55,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:07:55,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:07:55,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:07:55,272 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:07:55,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:07:55,275 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 45 [2024-11-28 05:07:55,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 36 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:55,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 05:07:55,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 45 [2024-11-28 05:07:55,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 05:07:55,331 INFO L124 PetriNetUnfolderBase]: 30/130 cut-off events. [2024-11-28 05:07:55,332 INFO L125 PetriNetUnfolderBase]: For 47/50 co-relation queries the response was YES. [2024-11-28 05:07:55,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 130 events. 30/130 cut-off events. For 47/50 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 405 event pairs, 26 based on Foata normal form. 1/130 useless extension candidates. Maximal degree in co-relation 63. Up to 100 conditions per place. [2024-11-28 05:07:55,335 INFO L140 encePairwiseOnDemand]: 43/45 looper letters, 0 selfloop transitions, 0 changer transitions 35/35 dead transitions. [2024-11-28 05:07:55,336 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 35 transitions, 162 flow [2024-11-28 05:07:55,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:07:55,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 05:07:55,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 66 transitions. [2024-11-28 05:07:55,337 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4888888888888889 [2024-11-28 05:07:55,337 INFO L175 Difference]: Start difference. First operand has 38 places, 36 transitions, 114 flow. Second operand 3 states and 66 transitions. [2024-11-28 05:07:55,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 35 transitions, 162 flow [2024-11-28 05:07:55,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 35 transitions, 155 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 05:07:55,339 INFO L231 Difference]: Finished difference. Result has 37 places, 0 transitions, 0 flow [2024-11-28 05:07:55,339 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=105, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=37, PETRI_TRANSITIONS=0} [2024-11-28 05:07:55,339 INFO L279 CegarLoopForPetriNet]: 43 programPoint places, -6 predicate places. [2024-11-28 05:07:55,340 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 0 transitions, 0 flow [2024-11-28 05:07:55,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:07:55,344 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-28 05:07:55,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-28 05:07:55,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_LEAK (1 of 4 remaining) [2024-11-28 05:07:55,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-28 05:07:55,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:07:55,349 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 05:07:55,356 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 05:07:55,356 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:07:55,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:07:55 BasicIcfg [2024-11-28 05:07:55,362 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:07:55,364 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:07:55,364 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:07:55,365 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:07:55,368 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:07:52" (3/4) ... [2024-11-28 05:07:55,371 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 05:07:55,377 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-28 05:07:55,382 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-11-28 05:07:55,382 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-28 05:07:55,383 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 05:07:55,383 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 05:07:55,473 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44aa437a-0243-4361-a58c-fed5a8f659fe/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:07:55,474 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44aa437a-0243-4361-a58c-fed5a8f659fe/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:07:55,474 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:07:55,475 INFO L158 Benchmark]: Toolchain (without parser) took 3840.87ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.8MB in the beginning and 240.5MB in the end (delta: -147.7MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. [2024-11-28 05:07:55,476 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:07:55,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.63ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 73.1MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:07:55,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.24ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 71.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:07:55,477 INFO L158 Benchmark]: Boogie Preprocessor took 38.99ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 70.1MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:07:55,478 INFO L158 Benchmark]: RCFGBuilder took 624.55ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 45.3MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 05:07:55,479 INFO L158 Benchmark]: TraceAbstraction took 2444.32ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 44.6MB in the beginning and 244.9MB in the end (delta: -200.4MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2024-11-28 05:07:55,480 INFO L158 Benchmark]: Witness Printer took 109.59ms. Allocated memory is still 352.3MB. Free memory was 244.9MB in the beginning and 240.5MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:07:55,482 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 576.63ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 73.1MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.24ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 71.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.99ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 70.1MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 624.55ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 45.3MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2444.32ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 44.6MB in the beginning and 244.9MB in the end (delta: -200.4MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Witness Printer took 109.59ms. Allocated memory is still 352.3MB. Free memory was 244.9MB in the beginning and 240.5MB in the end (delta: 4.4MB). There was no memory consumed. 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: 695]: 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 3 procedures, 57 locations, 4 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: 2.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 279 IncrementalHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 1 mSDtfsCounter, 279 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=2, InterpolantAutomatonStates: 20, 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, 0.9s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 277 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 05:07:55,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44aa437a-0243-4361-a58c-fed5a8f659fe/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE