./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c --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_abd5defc-ff89-4e03-81e1-f1573a802848/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd5defc-ff89-4e03-81e1-f1573a802848/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_abd5defc-ff89-4e03-81e1-f1573a802848/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd5defc-ff89-4e03-81e1-f1573a802848/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd5defc-ff89-4e03-81e1-f1573a802848/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_abd5defc-ff89-4e03-81e1-f1573a802848/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 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:53:00,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:53:00,602 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd5defc-ff89-4e03-81e1-f1573a802848/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-28 03:53:00,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:53:00,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:53:00,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:53:00,644 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:53:00,644 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:53:00,645 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:53:00,645 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:53:00,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:53:00,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:53:00,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:53:00,647 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:53:00,647 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:53:00,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:53:00,649 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:53:00,649 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:53:00,650 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:53:00,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:53:00,650 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 03:53:00,651 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 03:53:00,651 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 03:53:00,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:53:00,651 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:53:00,651 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:53:00,651 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:53:00,652 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:53:00,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:53:00,652 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:53:00,652 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:53:00,652 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:53:00,652 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:53:00,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:53:00,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:53:00,654 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:53:00,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:53:00,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:53:00,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:53:00,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:53:00,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:53:00,655 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:53:00,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:53:00,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:53:00,655 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:53:00,655 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:53:00,655 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:53:00,655 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_abd5defc-ff89-4e03-81e1-f1573a802848/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 -> 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 [2024-11-28 03:53:01,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:53:01,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:53:01,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:53:01,031 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:53:01,033 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:53:01,035 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd5defc-ff89-4e03-81e1-f1573a802848/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2024-11-28 03:53:04,010 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd5defc-ff89-4e03-81e1-f1573a802848/bin/uautomizer-verify-aQ6SnzHsRB/data/673dd8c67/5389d1991423464092c94afe66355959/FLAGba8ddfca3 [2024-11-28 03:53:04,380 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:53:04,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd5defc-ff89-4e03-81e1-f1573a802848/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2024-11-28 03:53:04,394 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd5defc-ff89-4e03-81e1-f1573a802848/bin/uautomizer-verify-aQ6SnzHsRB/data/673dd8c67/5389d1991423464092c94afe66355959/FLAGba8ddfca3 [2024-11-28 03:53:04,420 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd5defc-ff89-4e03-81e1-f1573a802848/bin/uautomizer-verify-aQ6SnzHsRB/data/673dd8c67/5389d1991423464092c94afe66355959 [2024-11-28 03:53:04,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:53:04,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:53:04,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:53:04,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:53:04,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:53:04,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:53:04" (1/1) ... [2024-11-28 03:53:04,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c1ea86b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:04, skipping insertion in model container [2024-11-28 03:53:04,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:53:04" (1/1) ... [2024-11-28 03:53:04,465 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:53:04,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:53:04,695 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:53:04,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:53:04,742 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:53:04,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:04 WrapperNode [2024-11-28 03:53:04,743 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:53:04,744 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:53:04,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:53:04,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:53:04,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:04" (1/1) ... [2024-11-28 03:53:04,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:04" (1/1) ... [2024-11-28 03:53:04,779 INFO L138 Inliner]: procedures = 21, calls = 16, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 117 [2024-11-28 03:53:04,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:53:04,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:53:04,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:53:04,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:53:04,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:04" (1/1) ... [2024-11-28 03:53:04,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:04" (1/1) ... [2024-11-28 03:53:04,791 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:04" (1/1) ... [2024-11-28 03:53:04,804 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:53:04,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:04" (1/1) ... [2024-11-28 03:53:04,805 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:04" (1/1) ... [2024-11-28 03:53:04,809 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:04" (1/1) ... [2024-11-28 03:53:04,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:04" (1/1) ... [2024-11-28 03:53:04,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:04" (1/1) ... [2024-11-28 03:53:04,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:04" (1/1) ... [2024-11-28 03:53:04,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:04" (1/1) ... [2024-11-28 03:53:04,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:53:04,817 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:53:04,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:53:04,818 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:53:04,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:04" (1/1) ... [2024-11-28 03:53:04,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:53:04,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd5defc-ff89-4e03-81e1-f1573a802848/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:53:04,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd5defc-ff89-4e03-81e1-f1573a802848/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:53:04,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd5defc-ff89-4e03-81e1-f1573a802848/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:53:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:53:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 03:53:04,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 03:53:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 03:53:04,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 03:53:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:53:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:53:04,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:53:04,896 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:53:05,005 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:53:05,007 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:53:05,262 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:53:05,263 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:53:05,589 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:53:05,590 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:53:05,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:53:05 BoogieIcfgContainer [2024-11-28 03:53:05,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:53:05,594 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:53:05,594 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:53:05,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:53:05,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:53:04" (1/3) ... [2024-11-28 03:53:05,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f669fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:53:05, skipping insertion in model container [2024-11-28 03:53:05,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:53:04" (2/3) ... [2024-11-28 03:53:05,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f669fda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:53:05, skipping insertion in model container [2024-11-28 03:53:05,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:53:05" (3/3) ... [2024-11-28 03:53:05,605 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-symm.wvr.c [2024-11-28 03:53:05,619 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:53:05,620 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-simpl-str-symm.wvr.c that has 3 procedures, 17 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-28 03:53:05,620 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:53:05,683 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 03:53:05,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 23 places, 16 transitions, 46 flow [2024-11-28 03:53:05,770 INFO L124 PetriNetUnfolderBase]: 0/14 cut-off events. [2024-11-28 03:53:05,774 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 03:53:05,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23 conditions, 14 events. 0/14 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/12 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2024-11-28 03:53:05,780 INFO L82 GeneralOperation]: Start removeDead. Operand has 23 places, 16 transitions, 46 flow [2024-11-28 03:53:05,783 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 20 places, 13 transitions, 38 flow [2024-11-28 03:53:05,796 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:53:05,852 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;@69dd8d2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:53:05,853 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-28 03:53:05,871 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:53:05,871 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-11-28 03:53:05,873 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 03:53:05,873 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:05,874 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:05,874 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-28 03:53:05,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:05,882 INFO L85 PathProgramCache]: Analyzing trace with hash -421572483, now seen corresponding path program 1 times [2024-11-28 03:53:05,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:05,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454855624] [2024-11-28 03:53:05,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:53:05,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:53:07,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:07,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:07,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454855624] [2024-11-28 03:53:07,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454855624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:07,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:07,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:53:07,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143084886] [2024-11-28 03:53:07,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:07,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:53:07,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:07,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:53:07,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:53:07,354 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 16 [2024-11-28 03:53:07,357 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 20 places, 13 transitions, 38 flow. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:53:07,357 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:07,358 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 16 [2024-11-28 03:53:07,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:53:07,517 INFO L124 PetriNetUnfolderBase]: 7/29 cut-off events. [2024-11-28 03:53:07,518 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-28 03:53:07,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 29 events. 7/29 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 48 event pairs, 0 based on Foata normal form. 2/31 useless extension candidates. Maximal degree in co-relation 42. Up to 10 conditions per place. [2024-11-28 03:53:07,521 INFO L140 encePairwiseOnDemand]: 11/16 looper letters, 12 selfloop transitions, 3 changer transitions 5/21 dead transitions. [2024-11-28 03:53:07,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 21 transitions, 106 flow [2024-11-28 03:53:07,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:53:07,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 03:53:07,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 42 transitions. [2024-11-28 03:53:07,538 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.525 [2024-11-28 03:53:07,540 INFO L175 Difference]: Start difference. First operand has 20 places, 13 transitions, 38 flow. Second operand 5 states and 42 transitions. [2024-11-28 03:53:07,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 21 transitions, 106 flow [2024-11-28 03:53:07,546 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 21 transitions, 90 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-28 03:53:07,551 INFO L231 Difference]: Finished difference. Result has 19 places, 11 transitions, 34 flow [2024-11-28 03:53:07,554 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=16, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=34, PETRI_PLACES=19, PETRI_TRANSITIONS=11} [2024-11-28 03:53:07,560 INFO L279 CegarLoopForPetriNet]: 20 programPoint places, -1 predicate places. [2024-11-28 03:53:07,561 INFO L471 AbstractCegarLoop]: Abstraction has has 19 places, 11 transitions, 34 flow [2024-11-28 03:53:07,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:53:07,561 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:53:07,561 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:53:07,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:53:07,563 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-28 03:53:07,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:53:07,564 INFO L85 PathProgramCache]: Analyzing trace with hash -830904345, now seen corresponding path program 2 times [2024-11-28 03:53:07,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:53:07,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908957005] [2024-11-28 03:53:07,564 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:53:07,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:53:07,611 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:53:07,612 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:53:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:53:08,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:53:08,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908957005] [2024-11-28 03:53:08,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908957005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:53:08,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:53:08,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:53:08,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988455800] [2024-11-28 03:53:08,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:53:08,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:53:08,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:53:08,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:53:08,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:53:08,353 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 16 [2024-11-28 03:53:08,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 11 transitions, 34 flow. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:53:08,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:53:08,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 16 [2024-11-28 03:53:08,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:53:08,494 INFO L124 PetriNetUnfolderBase]: 5/19 cut-off events. [2024-11-28 03:53:08,494 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-28 03:53:08,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 19 events. 5/19 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 1/20 useless extension candidates. Maximal degree in co-relation 49. Up to 8 conditions per place. [2024-11-28 03:53:08,495 INFO L140 encePairwiseOnDemand]: 12/16 looper letters, 0 selfloop transitions, 0 changer transitions 14/14 dead transitions. [2024-11-28 03:53:08,495 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 14 transitions, 68 flow [2024-11-28 03:53:08,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:53:08,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 03:53:08,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2024-11-28 03:53:08,498 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4375 [2024-11-28 03:53:08,498 INFO L175 Difference]: Start difference. First operand has 19 places, 11 transitions, 34 flow. Second operand 5 states and 35 transitions. [2024-11-28 03:53:08,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 14 transitions, 68 flow [2024-11-28 03:53:08,499 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 14 transitions, 66 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:53:08,500 INFO L231 Difference]: Finished difference. Result has 19 places, 0 transitions, 0 flow [2024-11-28 03:53:08,500 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=16, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=9, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=19, PETRI_TRANSITIONS=0} [2024-11-28 03:53:08,501 INFO L279 CegarLoopForPetriNet]: 20 programPoint places, -1 predicate places. [2024-11-28 03:53:08,502 INFO L471 AbstractCegarLoop]: Abstraction has has 19 places, 0 transitions, 0 flow [2024-11-28 03:53:08,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:53:08,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 4 remaining) [2024-11-28 03:53:08,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (2 of 4 remaining) [2024-11-28 03:53:08,505 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-28 03:53:08,506 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-28 03:53:08,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:53:08,509 INFO L422 BasicCegarLoop]: Path program histogram: [2] [2024-11-28 03:53:08,513 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:53:08,517 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:53:08,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:53:08 BasicIcfg [2024-11-28 03:53:08,524 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:53:08,525 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:53:08,525 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:53:08,525 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:53:08,526 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:53:05" (3/4) ... [2024-11-28 03:53:08,530 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 03:53:08,533 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 03:53:08,534 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 03:53:08,541 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-28 03:53:08,542 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-28 03:53:08,542 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-28 03:53:08,543 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 03:53:08,650 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd5defc-ff89-4e03-81e1-f1573a802848/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:53:08,651 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd5defc-ff89-4e03-81e1-f1573a802848/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 03:53:08,651 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:53:08,652 INFO L158 Benchmark]: Toolchain (without parser) took 4225.71ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 99.8MB in the beginning and 190.8MB in the end (delta: -91.0MB). Peak memory consumption was 99.7MB. Max. memory is 16.1GB. [2024-11-28 03:53:08,653 INFO L158 Benchmark]: CDTParser took 0.97ms. 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 03:53:08,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.27ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 88.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:53:08,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.23ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 86.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:53:08,654 INFO L158 Benchmark]: Boogie Preprocessor took 36.60ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 85.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:53:08,656 INFO L158 Benchmark]: RCFGBuilder took 773.58ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 40.8MB in the end (delta: 44.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-28 03:53:08,656 INFO L158 Benchmark]: TraceAbstraction took 2930.83ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 40.1MB in the beginning and 195.5MB in the end (delta: -155.4MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-28 03:53:08,656 INFO L158 Benchmark]: Witness Printer took 125.83ms. Allocated memory is still 335.5MB. Free memory was 195.5MB in the beginning and 190.8MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:53:08,658 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 167.8MB. Free memory is still 103.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.27ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 88.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.23ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 86.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.60ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 85.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 773.58ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 40.8MB in the end (delta: 44.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2930.83ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 40.1MB in the beginning and 195.5MB in the end (delta: -155.4MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Witness Printer took 125.83ms. Allocated memory is still 335.5MB. Free memory was 195.5MB in the beginning and 190.8MB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 21]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 54]: 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 5 procedures, 23 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: 2.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 0 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 2.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 292 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 03:53:08,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abd5defc-ff89-4e03-81e1-f1573a802848/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