./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300bc136-3880-4fc2-bd25-810403903124/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300bc136-3880-4fc2-bd25-810403903124/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300bc136-3880-4fc2-bd25-810403903124/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300bc136-3880-4fc2-bd25-810403903124/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300bc136-3880-4fc2-bd25-810403903124/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300bc136-3880-4fc2-bd25-810403903124/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a8f8518887bc2e5e0d6d71e32a92b54f9a899d1e11c58bdb579bc81d5f31bb3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 11:26:55,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 11:26:55,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300bc136-3880-4fc2-bd25-810403903124/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 11:26:55,716 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 11:26:55,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 11:26:55,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 11:26:55,738 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 11:26:55,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 11:26:55,739 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 11:26:55,739 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 11:26:55,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 11:26:55,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 11:26:55,739 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 11:26:55,739 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 11:26:55,740 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 11:26:55,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 11:26:55,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 11:26:55,740 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 11:26:55,740 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 11:26:55,740 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 11:26:55,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 11:26:55,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 11:26:55,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 11:26:55,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 11:26:55,741 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 11:26:55,741 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 11:26:55,741 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 11:26:55,741 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 11:26:55,741 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 11:26:55,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:26:55,741 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:26:55,741 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:26:55,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:26:55,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 11:26:55,742 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 11:26:55,742 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 11:26:55,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 11:26:55,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:26:55,742 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 11:26:55,742 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 11:26:55,742 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 11:26:55,742 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 11:26:55,742 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 11:26:55,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 11:26:55,743 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 11:26:55,743 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 11:26:55,743 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 11:26:55,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 11:26:55,743 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_300bc136-3880-4fc2-bd25-810403903124/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a8f8518887bc2e5e0d6d71e32a92b54f9a899d1e11c58bdb579bc81d5f31bb3 [2024-12-02 11:26:55,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 11:26:55,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 11:26:55,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 11:26:55,956 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 11:26:55,957 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 11:26:55,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300bc136-3880-4fc2-bd25-810403903124/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2024-12-02 11:26:58,608 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300bc136-3880-4fc2-bd25-810403903124/bin/uautomizer-verify-84ZbGMXZE1/data/6efe42a77/6e298a5b641c40d1bc92149960b9afa9/FLAG0f725485e [2024-12-02 11:26:58,849 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 11:26:58,850 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300bc136-3880-4fc2-bd25-810403903124/sv-benchmarks/c/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2024-12-02 11:26:58,862 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300bc136-3880-4fc2-bd25-810403903124/bin/uautomizer-verify-84ZbGMXZE1/data/6efe42a77/6e298a5b641c40d1bc92149960b9afa9/FLAG0f725485e [2024-12-02 11:26:59,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300bc136-3880-4fc2-bd25-810403903124/bin/uautomizer-verify-84ZbGMXZE1/data/6efe42a77/6e298a5b641c40d1bc92149960b9afa9 [2024-12-02 11:26:59,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 11:26:59,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 11:26:59,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 11:26:59,161 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 11:26:59,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 11:26:59,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:26:59" (1/1) ... [2024-12-02 11:26:59,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a0df1fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:59, skipping insertion in model container [2024-12-02 11:26:59,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:26:59" (1/1) ... [2024-12-02 11:26:59,195 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 11:26:59,343 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300bc136-3880-4fc2-bd25-810403903124/sv-benchmarks/c/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i[996,1009] [2024-12-02 11:26:59,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:26:59,493 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 11:26:59,501 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300bc136-3880-4fc2-bd25-810403903124/sv-benchmarks/c/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i[996,1009] [2024-12-02 11:26:59,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 11:26:59,581 INFO L204 MainTranslator]: Completed translation [2024-12-02 11:26:59,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:59 WrapperNode [2024-12-02 11:26:59,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 11:26:59,583 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 11:26:59,583 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 11:26:59,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 11:26:59,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:59" (1/1) ... [2024-12-02 11:26:59,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:59" (1/1) ... [2024-12-02 11:26:59,622 INFO L138 Inliner]: procedures = 174, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 106 [2024-12-02 11:26:59,623 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 11:26:59,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 11:26:59,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 11:26:59,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 11:26:59,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:59" (1/1) ... [2024-12-02 11:26:59,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:59" (1/1) ... [2024-12-02 11:26:59,633 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:59" (1/1) ... [2024-12-02 11:26:59,645 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]. [2024-12-02 11:26:59,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:59" (1/1) ... [2024-12-02 11:26:59,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:59" (1/1) ... [2024-12-02 11:26:59,651 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:59" (1/1) ... [2024-12-02 11:26:59,653 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:59" (1/1) ... [2024-12-02 11:26:59,654 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:59" (1/1) ... [2024-12-02 11:26:59,656 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:59" (1/1) ... [2024-12-02 11:26:59,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:59" (1/1) ... [2024-12-02 11:26:59,660 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 11:26:59,661 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 11:26:59,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 11:26:59,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 11:26:59,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:59" (1/1) ... [2024-12-02 11:26:59,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 11:26:59,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300bc136-3880-4fc2-bd25-810403903124/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 11:26:59,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300bc136-3880-4fc2-bd25-810403903124/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 11:26:59,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300bc136-3880-4fc2-bd25-810403903124/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 11:26:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-02 11:26:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 11:26:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-02 11:26:59,719 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-02 11:26:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-02 11:26:59,719 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-02 11:26:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 11:26:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-02 11:26:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 11:26:59,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 11:26:59,721 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 11:26:59,825 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 11:26:59,827 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 11:27:00,053 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 11:27:00,053 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 11:27:00,226 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 11:27:00,227 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 11:27:00,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:27:00 BoogieIcfgContainer [2024-12-02 11:27:00,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 11:27:00,230 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 11:27:00,230 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 11:27:00,235 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 11:27:00,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:26:59" (1/3) ... [2024-12-02 11:27:00,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f02fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:27:00, skipping insertion in model container [2024-12-02 11:27:00,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:59" (2/3) ... [2024-12-02 11:27:00,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f02fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:27:00, skipping insertion in model container [2024-12-02 11:27:00,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:27:00" (3/3) ... [2024-12-02 11:27:00,237 INFO L128 eAbstractionObserver]: Analyzing ICFG mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2024-12-02 11:27:00,252 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 11:27:00,254 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i that has 3 procedures, 32 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-12-02 11:27:00,254 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 11:27:00,304 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-02 11:27:00,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 32 transitions, 72 flow [2024-12-02 11:27:00,364 INFO L124 PetriNetUnfolderBase]: 1/30 cut-off events. [2024-12-02 11:27:00,366 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 11:27:00,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 30 events. 1/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 47 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2024-12-02 11:27:00,369 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 32 transitions, 72 flow [2024-12-02 11:27:00,372 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 36 places, 30 transitions, 66 flow [2024-12-02 11:27:00,379 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 11:27:00,391 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5bdf5b9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 11:27:00,391 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-12-02 11:27:00,394 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 11:27:00,395 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-12-02 11:27:00,395 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 11:27:00,395 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:27:00,395 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-12-02 11:27:00,396 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-02 11:27:00,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:27:00,401 INFO L85 PathProgramCache]: Analyzing trace with hash 9868244, now seen corresponding path program 1 times [2024-12-02 11:27:00,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:27:00,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786017467] [2024-12-02 11:27:00,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:27:00,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:27:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:27:00,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:27:00,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:27:00,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786017467] [2024-12-02 11:27:00,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786017467] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:27:00,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:27:00,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 11:27:00,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812197502] [2024-12-02 11:27:00,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:27:00,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 11:27:00,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:27:00,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 11:27:00,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 11:27:00,789 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 32 [2024-12-02 11:27:00,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 30 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:27:00,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:27:00,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 32 [2024-12-02 11:27:00,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:27:00,980 INFO L124 PetriNetUnfolderBase]: 135/297 cut-off events. [2024-12-02 11:27:00,981 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-12-02 11:27:00,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 551 conditions, 297 events. 135/297 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1430 event pairs, 51 based on Foata normal form. 15/304 useless extension candidates. Maximal degree in co-relation 541. Up to 199 conditions per place. [2024-12-02 11:27:00,984 INFO L140 encePairwiseOnDemand]: 28/32 looper letters, 21 selfloop transitions, 2 changer transitions 2/38 dead transitions. [2024-12-02 11:27:00,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 38 transitions, 135 flow [2024-12-02 11:27:00,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 11:27:00,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 11:27:00,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 73 transitions. [2024-12-02 11:27:00,995 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7604166666666666 [2024-12-02 11:27:00,997 INFO L175 Difference]: Start difference. First operand has 36 places, 30 transitions, 66 flow. Second operand 3 states and 73 transitions. [2024-12-02 11:27:00,998 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 38 transitions, 135 flow [2024-12-02 11:27:01,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 38 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 11:27:01,003 INFO L231 Difference]: Finished difference. Result has 35 places, 27 transitions, 62 flow [2024-12-02 11:27:01,005 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=62, PETRI_PLACES=35, PETRI_TRANSITIONS=27} [2024-12-02 11:27:01,008 INFO L279 CegarLoopForPetriNet]: 36 programPoint places, -1 predicate places. [2024-12-02 11:27:01,008 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 27 transitions, 62 flow [2024-12-02 11:27:01,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:27:01,008 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:27:01,008 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:27:01,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 11:27:01,009 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-02 11:27:01,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:27:01,009 INFO L85 PathProgramCache]: Analyzing trace with hash 984915431, now seen corresponding path program 1 times [2024-12-02 11:27:01,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:27:01,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410962363] [2024-12-02 11:27:01,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:27:01,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:27:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:27:01,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:27:01,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:27:01,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410962363] [2024-12-02 11:27:01,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410962363] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:27:01,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:27:01,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 11:27:01,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800955732] [2024-12-02 11:27:01,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:27:01,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 11:27:01,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:27:01,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 11:27:01,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 11:27:01,202 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 32 [2024-12-02 11:27:01,203 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 27 transitions, 62 flow. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:27:01,203 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:27:01,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 32 [2024-12-02 11:27:01,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:27:01,378 INFO L124 PetriNetUnfolderBase]: 176/404 cut-off events. [2024-12-02 11:27:01,378 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-12-02 11:27:01,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 771 conditions, 404 events. 176/404 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1973 event pairs, 38 based on Foata normal form. 25/401 useless extension candidates. Maximal degree in co-relation 761. Up to 153 conditions per place. [2024-12-02 11:27:01,381 INFO L140 encePairwiseOnDemand]: 27/32 looper letters, 30 selfloop transitions, 4 changer transitions 1/45 dead transitions. [2024-12-02 11:27:01,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 45 transitions, 174 flow [2024-12-02 11:27:01,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 11:27:01,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 11:27:01,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 85 transitions. [2024-12-02 11:27:01,383 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6640625 [2024-12-02 11:27:01,383 INFO L175 Difference]: Start difference. First operand has 35 places, 27 transitions, 62 flow. Second operand 4 states and 85 transitions. [2024-12-02 11:27:01,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 45 transitions, 174 flow [2024-12-02 11:27:01,384 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 45 transitions, 166 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 11:27:01,386 INFO L231 Difference]: Finished difference. Result has 37 places, 29 transitions, 84 flow [2024-12-02 11:27:01,386 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=84, PETRI_PLACES=37, PETRI_TRANSITIONS=29} [2024-12-02 11:27:01,386 INFO L279 CegarLoopForPetriNet]: 36 programPoint places, 1 predicate places. [2024-12-02 11:27:01,387 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 29 transitions, 84 flow [2024-12-02 11:27:01,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:27:01,387 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:27:01,387 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 11:27:01,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 11:27:01,387 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-02 11:27:01,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:27:01,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1707449193, now seen corresponding path program 1 times [2024-12-02 11:27:01,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:27:01,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238101422] [2024-12-02 11:27:01,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:27:01,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:27:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:27:01,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:27:01,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:27:01,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238101422] [2024-12-02 11:27:01,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238101422] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:27:01,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:27:01,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 11:27:01,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011456938] [2024-12-02 11:27:01,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:27:01,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 11:27:01,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:27:01,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 11:27:01,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 11:27:01,619 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 32 [2024-12-02 11:27:01,619 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 29 transitions, 84 flow. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:27:01,619 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:27:01,619 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 32 [2024-12-02 11:27:01,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:27:01,752 INFO L124 PetriNetUnfolderBase]: 98/221 cut-off events. [2024-12-02 11:27:01,752 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2024-12-02 11:27:01,753 INFO L83 FinitePrefix]: Finished finitePrefix Result has 510 conditions, 221 events. 98/221 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 757 event pairs, 26 based on Foata normal form. 16/224 useless extension candidates. Maximal degree in co-relation 498. Up to 86 conditions per place. [2024-12-02 11:27:01,754 INFO L140 encePairwiseOnDemand]: 27/32 looper letters, 25 selfloop transitions, 6 changer transitions 1/42 dead transitions. [2024-12-02 11:27:01,754 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 42 transitions, 179 flow [2024-12-02 11:27:01,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 11:27:01,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 11:27:01,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 94 transitions. [2024-12-02 11:27:01,756 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5875 [2024-12-02 11:27:01,756 INFO L175 Difference]: Start difference. First operand has 37 places, 29 transitions, 84 flow. Second operand 5 states and 94 transitions. [2024-12-02 11:27:01,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 42 transitions, 179 flow [2024-12-02 11:27:01,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 42 transitions, 170 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-12-02 11:27:01,758 INFO L231 Difference]: Finished difference. Result has 41 places, 29 transitions, 100 flow [2024-12-02 11:27:01,758 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=100, PETRI_PLACES=41, PETRI_TRANSITIONS=29} [2024-12-02 11:27:01,759 INFO L279 CegarLoopForPetriNet]: 36 programPoint places, 5 predicate places. [2024-12-02 11:27:01,759 INFO L471 AbstractCegarLoop]: Abstraction has has 41 places, 29 transitions, 100 flow [2024-12-02 11:27:01,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:27:01,759 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:27:01,759 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] [2024-12-02 11:27:01,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 11:27:01,760 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-02 11:27:01,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:27:01,760 INFO L85 PathProgramCache]: Analyzing trace with hash -240517061, now seen corresponding path program 1 times [2024-12-02 11:27:01,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:27:01,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063853119] [2024-12-02 11:27:01,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 11:27:01,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:27:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 11:27:02,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 11:27:02,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 11:27:02,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063853119] [2024-12-02 11:27:02,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063853119] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 11:27:02,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 11:27:02,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 11:27:02,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237652039] [2024-12-02 11:27:02,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 11:27:02,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 11:27:02,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 11:27:02,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 11:27:02,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-12-02 11:27:02,546 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 32 [2024-12-02 11:27:02,546 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 29 transitions, 100 flow. Second operand has 8 states, 8 states have (on average 13.0) internal successors, (104), 8 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:27:02,546 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 11:27:02,546 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 32 [2024-12-02 11:27:02,546 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 11:27:02,910 INFO L124 PetriNetUnfolderBase]: 151/346 cut-off events. [2024-12-02 11:27:02,910 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2024-12-02 11:27:02,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 820 conditions, 346 events. 151/346 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1469 event pairs, 34 based on Foata normal form. 4/339 useless extension candidates. Maximal degree in co-relation 806. Up to 109 conditions per place. [2024-12-02 11:27:02,912 INFO L140 encePairwiseOnDemand]: 22/32 looper letters, 33 selfloop transitions, 9 changer transitions 18/71 dead transitions. [2024-12-02 11:27:02,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 71 transitions, 322 flow [2024-12-02 11:27:02,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 11:27:02,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2024-12-02 11:27:02,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 182 transitions. [2024-12-02 11:27:02,914 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5170454545454546 [2024-12-02 11:27:02,914 INFO L175 Difference]: Start difference. First operand has 41 places, 29 transitions, 100 flow. Second operand 11 states and 182 transitions. [2024-12-02 11:27:02,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 71 transitions, 322 flow [2024-12-02 11:27:02,916 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 71 transitions, 282 flow, removed 11 selfloop flow, removed 6 redundant places. [2024-12-02 11:27:02,917 INFO L231 Difference]: Finished difference. Result has 53 places, 37 transitions, 140 flow [2024-12-02 11:27:02,917 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=140, PETRI_PLACES=53, PETRI_TRANSITIONS=37} [2024-12-02 11:27:02,918 INFO L279 CegarLoopForPetriNet]: 36 programPoint places, 17 predicate places. [2024-12-02 11:27:02,918 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 37 transitions, 140 flow [2024-12-02 11:27:02,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.0) internal successors, (104), 8 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 11:27:02,918 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 11:27:02,919 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] [2024-12-02 11:27:02,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 11:27:02,919 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-02 11:27:02,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 11:27:02,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1672888359, now seen corresponding path program 2 times [2024-12-02 11:27:02,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 11:27:02,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371733534] [2024-12-02 11:27:02,920 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 11:27:02,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 11:27:02,987 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 11:27:02,987 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-12-02 11:27:02,987 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 11:27:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 11:27:03,075 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 11:27:03,075 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 11:27:03,076 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-12-02 11:27:03,077 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2024-12-02 11:27:03,077 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-12-02 11:27:03,077 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-12-02 11:27:03,077 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2024-12-02 11:27:03,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 11:27:03,078 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-12-02 11:27:03,122 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 11:27:03,122 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 11:27:03,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:27:03 BasicIcfg [2024-12-02 11:27:03,126 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 11:27:03,127 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 11:27:03,127 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 11:27:03,127 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 11:27:03,128 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:27:00" (3/4) ... [2024-12-02 11:27:03,128 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-02 11:27:03,188 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 9. [2024-12-02 11:27:03,227 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300bc136-3880-4fc2-bd25-810403903124/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 11:27:03,228 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300bc136-3880-4fc2-bd25-810403903124/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 11:27:03,228 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 11:27:03,228 INFO L158 Benchmark]: Toolchain (without parser) took 4069.24ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 114.3MB in the beginning and 202.8MB in the end (delta: -88.4MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. [2024-12-02 11:27:03,229 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:27:03,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.58ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 91.3MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 11:27:03,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.16ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 89.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:27:03,230 INFO L158 Benchmark]: Boogie Preprocessor took 36.81ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 86.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 11:27:03,230 INFO L158 Benchmark]: RCFGBuilder took 566.42ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 102.6MB in the end (delta: -16.4MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2024-12-02 11:27:03,230 INFO L158 Benchmark]: TraceAbstraction took 2896.78ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 102.1MB in the beginning and 213.6MB in the end (delta: -111.6MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. [2024-12-02 11:27:03,231 INFO L158 Benchmark]: Witness Printer took 100.84ms. Allocated memory is still 318.8MB. Free memory was 213.6MB in the beginning and 202.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 11:27:03,232 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.58ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 91.3MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.16ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 89.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.81ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 86.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 566.42ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 102.6MB in the end (delta: -16.4MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2896.78ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 102.1MB in the beginning and 213.6MB in the end (delta: -111.6MB). Peak memory consumption was 62.2MB. Max. memory is 16.1GB. * Witness Printer took 100.84ms. Allocated memory is still 318.8MB. Free memory was 213.6MB in the beginning and 202.8MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p0_EAX = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L714] 0 int __unbuffered_p1_EBX = 0; [L715] 0 _Bool main$tmp_guard0; [L716] 0 _Bool main$tmp_guard1; [L718] 0 int x = 0; [L720] 0 int y = 0; [L722] 0 int z = 0; [L723] 0 _Bool z$flush_delayed; [L724] 0 int z$mem_tmp; [L725] 0 _Bool z$r_buff0_thd0; [L726] 0 _Bool z$r_buff0_thd1; [L727] 0 _Bool z$r_buff0_thd2; [L728] 0 _Bool z$r_buff1_thd0; [L729] 0 _Bool z$r_buff1_thd1; [L730] 0 _Bool z$r_buff1_thd2; [L731] 0 _Bool z$read_delayed; [L732] 0 int *z$read_delayed_var; [L733] 0 int z$w_buff0; [L734] 0 _Bool z$w_buff0_used; [L735] 0 int z$w_buff1; [L736] 0 _Bool z$w_buff1_used; [L737] 0 _Bool weak$$choice0; [L738] 0 _Bool weak$$choice2; [L817] 0 pthread_t t897; [L818] FCALL, FORK 0 pthread_create(&t897, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t897=-1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L819] 0 pthread_t t898; [L820] FCALL, FORK 0 pthread_create(&t898, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t897=-1, t898=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0] [L742] 1 z$w_buff1 = z$w_buff0 [L743] 1 z$w_buff0 = 1 [L744] 1 z$w_buff1_used = z$w_buff0_used [L745] 1 z$w_buff0_used = (_Bool)1 [L746] CALL 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L746] RET 1 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used)) [L747] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L748] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L749] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L750] 1 z$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L753] 1 __unbuffered_p0_EAX = x VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L770] 2 x = 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L773] 2 y = 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L776] 2 __unbuffered_p1_EAX = y VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L779] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L780] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L781] 2 z$flush_delayed = weak$$choice2 [L782] 2 z$mem_tmp = z [L783] 2 z = !z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff1) [L784] 2 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : z$w_buff0)) [L785] 2 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff1 : z$w_buff1)) [L786] 2 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used)) [L787] 2 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L788] 2 z$r_buff0_thd2 = weak$$choice2 ? z$r_buff0_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff0_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2)) [L789] 2 z$r_buff1_thd2 = weak$$choice2 ? z$r_buff1_thd2 : (!z$w_buff0_used || !z$r_buff0_thd2 && !z$w_buff1_used || !z$r_buff0_thd2 && !z$r_buff1_thd2 ? z$r_buff1_thd2 : (z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L790] 2 __unbuffered_p1_EBX = z [L791] 2 z = z$flush_delayed ? z$mem_tmp : z [L792] 2 z$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L795] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L796] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L797] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L798] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L799] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0] [L756] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L757] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L758] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L759] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L760] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L763] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L802] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L822] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t897=-1, t898=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L824] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L824] RET 0 assume_abort_if_not(main$tmp_guard0) [L826] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L827] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L828] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L829] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L830] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t897=-1, t898=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L833] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t897=-1, t898=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L835] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(arg)={0:0}, \old(expression)=0, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] [L18] 0 reach_error() VAL [\old(arg)={0:0}, \old(expression)=0, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1] - UnprovableResult [Line: 18]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 820]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 51 locations, 5 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: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 117 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 76 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 349 IncrementalHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 5 mSDtfsCounter, 349 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=140occurred in iteration=4, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 339 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 RESULT: Ultimate proved your program to be incorrect! [2024-12-02 11:27:03,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_300bc136-3880-4fc2-bd25-810403903124/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE