./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc872f0-c5c4-4278-a4a2-61cb870f8076/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc872f0-c5c4-4278-a4a2-61cb870f8076/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_7cc872f0-c5c4-4278-a4a2-61cb870f8076/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc872f0-c5c4-4278-a4a2-61cb870f8076/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc872f0-c5c4-4278-a4a2-61cb870f8076/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc872f0-c5c4-4278-a4a2-61cb870f8076/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b278c8af08551c2e27294e2c5dca8c5bd0f6f00874366f88466c32210c557af --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:00:13,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:00:13,730 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc872f0-c5c4-4278-a4a2-61cb870f8076/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-12-02 08:00:13,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:00:13,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:00:13,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:00:13,755 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:00:13,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:00:13,756 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:00:13,756 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:00:13,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:00:13,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:00:13,756 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:00:13,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:00:13,757 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:00:13,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:00:13,757 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:00:13,757 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:00:13,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:00:13,757 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:00:13,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:00:13,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:00:13,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:00:13,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:00:13,758 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 08:00:13,758 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 08:00:13,758 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:00:13,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:00:13,758 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:00:13,758 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:00:13,758 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:00:13,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:00:13,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:00:13,759 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:00:13,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:00:13,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:00:13,759 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:00:13,759 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:00:13,759 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:00:13,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:00:13,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:00:13,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:00:13,760 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:00:13,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:00:13,760 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:00:13,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:00:13,760 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:00:13,760 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:00:13,760 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:00:13,760 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:00:13,761 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_7cc872f0-c5c4-4278-a4a2-61cb870f8076/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 ! overflow) ) 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 -> 0b278c8af08551c2e27294e2c5dca8c5bd0f6f00874366f88466c32210c557af [2024-12-02 08:00:13,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:00:13,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:00:13,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:00:13,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:00:13,972 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:00:13,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc872f0-c5c4-4278-a4a2-61cb870f8076/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i [2024-12-02 08:00:16,606 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc872f0-c5c4-4278-a4a2-61cb870f8076/bin/uautomizer-verify-84ZbGMXZE1/data/44da6d163/598a81919b2d4c2d852cfe406e2892c1/FLAGd740b8cae [2024-12-02 08:00:16,884 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:00:16,885 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc872f0-c5c4-4278-a4a2-61cb870f8076/sv-benchmarks/c/pthread-wmm/mix029_power.opt_pso.opt_rmo.opt.i [2024-12-02 08:00:16,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc872f0-c5c4-4278-a4a2-61cb870f8076/bin/uautomizer-verify-84ZbGMXZE1/data/44da6d163/598a81919b2d4c2d852cfe406e2892c1/FLAGd740b8cae [2024-12-02 08:00:17,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc872f0-c5c4-4278-a4a2-61cb870f8076/bin/uautomizer-verify-84ZbGMXZE1/data/44da6d163/598a81919b2d4c2d852cfe406e2892c1 [2024-12-02 08:00:17,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:00:17,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:00:17,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:00:17,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:00:17,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:00:17,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:00:17" (1/1) ... [2024-12-02 08:00:17,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5103e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:17, skipping insertion in model container [2024-12-02 08:00:17,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:00:17" (1/1) ... [2024-12-02 08:00:17,229 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:00:17,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:00:17,484 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:00:17,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:00:17,566 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:00:17,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:17 WrapperNode [2024-12-02 08:00:17,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:00:17,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:00:17,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:00:17,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:00:17,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:17" (1/1) ... [2024-12-02 08:00:17,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:17" (1/1) ... [2024-12-02 08:00:17,599 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 152 [2024-12-02 08:00:17,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:00:17,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:00:17,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:00:17,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:00:17,608 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:17" (1/1) ... [2024-12-02 08:00:17,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:17" (1/1) ... [2024-12-02 08:00:17,611 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:17" (1/1) ... [2024-12-02 08:00:17,626 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 08:00:17,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:17" (1/1) ... [2024-12-02 08:00:17,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:17" (1/1) ... [2024-12-02 08:00:17,634 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:17" (1/1) ... [2024-12-02 08:00:17,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:17" (1/1) ... [2024-12-02 08:00:17,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:17" (1/1) ... [2024-12-02 08:00:17,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:17" (1/1) ... [2024-12-02 08:00:17,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:17" (1/1) ... [2024-12-02 08:00:17,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:00:17,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:00:17,644 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:00:17,644 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:00:17,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:17" (1/1) ... [2024-12-02 08:00:17,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:00:17,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc872f0-c5c4-4278-a4a2-61cb870f8076/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:00:17,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc872f0-c5c4-4278-a4a2-61cb870f8076/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:00:17,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc872f0-c5c4-4278-a4a2-61cb870f8076/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:00:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-02 08:00:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:00:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-02 08:00:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-02 08:00:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-02 08:00:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-02 08:00:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-02 08:00:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-02 08:00:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-12-02 08:00:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-12-02 08:00:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:00:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-02 08:00:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:00:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:00:17,702 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 08:00:17,818 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:00:17,819 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:00:18,113 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 08:00:18,113 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:00:18,327 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:00:18,327 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 08:00:18,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:00:18 BoogieIcfgContainer [2024-12-02 08:00:18,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:00:18,330 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:00:18,330 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:00:18,334 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:00:18,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:00:17" (1/3) ... [2024-12-02 08:00:18,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5395f6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:00:18, skipping insertion in model container [2024-12-02 08:00:18,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:00:17" (2/3) ... [2024-12-02 08:00:18,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5395f6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:00:18, skipping insertion in model container [2024-12-02 08:00:18,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:00:18" (3/3) ... [2024-12-02 08:00:18,337 INFO L128 eAbstractionObserver]: Analyzing ICFG mix029_power.opt_pso.opt_rmo.opt.i [2024-12-02 08:00:18,352 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:00:18,355 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix029_power.opt_pso.opt_rmo.opt.i that has 5 procedures, 52 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-12-02 08:00:18,355 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 08:00:18,414 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-02 08:00:18,446 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 51 transitions, 118 flow [2024-12-02 08:00:18,477 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2024-12-02 08:00:18,479 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 08:00:18,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 47 events. 0/47 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 125 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-12-02 08:00:18,481 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 51 transitions, 118 flow [2024-12-02 08:00:18,484 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 47 transitions, 106 flow [2024-12-02 08:00:18,492 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:00:18,503 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;@615be9de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:00:18,503 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-12-02 08:00:18,509 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 08:00:18,509 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-12-02 08:00:18,509 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 08:00:18,509 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:00:18,510 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:00:18,510 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-12-02 08:00:18,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:00:18,515 INFO L85 PathProgramCache]: Analyzing trace with hash 905479899, now seen corresponding path program 1 times [2024-12-02 08:00:18,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:00:18,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322105770] [2024-12-02 08:00:18,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:00:18,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:00:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:00:18,728 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 08:00:18,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:00:18,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322105770] [2024-12-02 08:00:18,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322105770] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:00:18,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:00:18,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 08:00:18,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721740778] [2024-12-02 08:00:18,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:00:18,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 08:00:18,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:00:18,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 08:00:18,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 08:00:18,760 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 51 [2024-12-02 08:00:18,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 47 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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 08:00:18,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:00:18,763 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 51 [2024-12-02 08:00:18,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:00:21,704 INFO L124 PetriNetUnfolderBase]: 19409/26007 cut-off events. [2024-12-02 08:00:21,704 INFO L125 PetriNetUnfolderBase]: For 170/170 co-relation queries the response was YES. [2024-12-02 08:00:21,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52333 conditions, 26007 events. 19409/26007 cut-off events. For 170/170 co-relation queries the response was YES. Maximal size of possible extension queue 2066. Compared 169093 event pairs, 8837 based on Foata normal form. 0/18434 useless extension candidates. Maximal degree in co-relation 52321. Up to 25745 conditions per place. [2024-12-02 08:00:21,820 INFO L140 encePairwiseOnDemand]: 38/51 looper letters, 47 selfloop transitions, 5 changer transitions 0/66 dead transitions. [2024-12-02 08:00:21,820 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 66 transitions, 257 flow [2024-12-02 08:00:21,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 08:00:21,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 08:00:21,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 114 transitions. [2024-12-02 08:00:21,831 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7450980392156863 [2024-12-02 08:00:21,832 INFO L175 Difference]: Start difference. First operand has 60 places, 47 transitions, 106 flow. Second operand 3 states and 114 transitions. [2024-12-02 08:00:21,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 66 transitions, 257 flow [2024-12-02 08:00:21,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 66 transitions, 250 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-12-02 08:00:21,841 INFO L231 Difference]: Finished difference. Result has 59 places, 51 transitions, 149 flow [2024-12-02 08:00:21,842 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=149, PETRI_PLACES=59, PETRI_TRANSITIONS=51} [2024-12-02 08:00:21,845 INFO L279 CegarLoopForPetriNet]: 60 programPoint places, -1 predicate places. [2024-12-02 08:00:21,846 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 51 transitions, 149 flow [2024-12-02 08:00:21,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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 08:00:21,846 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:00:21,846 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:00:21,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 08:00:21,847 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-12-02 08:00:21,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:00:21,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1724772947, now seen corresponding path program 1 times [2024-12-02 08:00:21,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:00:21,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750927762] [2024-12-02 08:00:21,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:00:21,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:00:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:00:21,974 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 08:00:21,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:00:21,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750927762] [2024-12-02 08:00:21,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750927762] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:00:21,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:00:21,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:00:21,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572213473] [2024-12-02 08:00:21,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:00:21,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:00:21,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:00:21,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:00:21,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:00:21,980 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 51 [2024-12-02 08:00:21,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 51 transitions, 149 flow. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:00:21,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:00:21,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 51 [2024-12-02 08:00:21,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:00:23,327 INFO L124 PetriNetUnfolderBase]: 9995/13525 cut-off events. [2024-12-02 08:00:23,327 INFO L125 PetriNetUnfolderBase]: For 1071/1071 co-relation queries the response was YES. [2024-12-02 08:00:23,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32512 conditions, 13525 events. 9995/13525 cut-off events. For 1071/1071 co-relation queries the response was YES. Maximal size of possible extension queue 996. Compared 83232 event pairs, 3883 based on Foata normal form. 0/11032 useless extension candidates. Maximal degree in co-relation 32501. Up to 13262 conditions per place. [2024-12-02 08:00:23,391 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 43 selfloop transitions, 5 changer transitions 0/62 dead transitions. [2024-12-02 08:00:23,391 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 62 transitions, 265 flow [2024-12-02 08:00:23,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:00:23,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 08:00:23,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 124 transitions. [2024-12-02 08:00:23,393 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6078431372549019 [2024-12-02 08:00:23,393 INFO L175 Difference]: Start difference. First operand has 59 places, 51 transitions, 149 flow. Second operand 4 states and 124 transitions. [2024-12-02 08:00:23,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 62 transitions, 265 flow [2024-12-02 08:00:23,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 62 transitions, 260 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 08:00:23,395 INFO L231 Difference]: Finished difference. Result has 57 places, 47 transitions, 138 flow [2024-12-02 08:00:23,396 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=138, PETRI_PLACES=57, PETRI_TRANSITIONS=47} [2024-12-02 08:00:23,396 INFO L279 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2024-12-02 08:00:23,397 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 47 transitions, 138 flow [2024-12-02 08:00:23,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:00:23,397 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:00:23,397 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:00:23,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:00:23,397 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-12-02 08:00:23,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:00:23,398 INFO L85 PathProgramCache]: Analyzing trace with hash -78077996, now seen corresponding path program 1 times [2024-12-02 08:00:23,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:00:23,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686834109] [2024-12-02 08:00:23,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:00:23,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:00:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:00:23,502 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 08:00:23,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:00:23,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686834109] [2024-12-02 08:00:23,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686834109] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:00:23,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:00:23,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:00:23,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710895886] [2024-12-02 08:00:23,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:00:23,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:00:23,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:00:23,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:00:23,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:00:23,509 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 51 [2024-12-02 08:00:23,509 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 47 transitions, 138 flow. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:00:23,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:00:23,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 51 [2024-12-02 08:00:23,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:00:24,401 INFO L124 PetriNetUnfolderBase]: 6873/9447 cut-off events. [2024-12-02 08:00:24,401 INFO L125 PetriNetUnfolderBase]: For 1300/1300 co-relation queries the response was YES. [2024-12-02 08:00:24,411 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22193 conditions, 9447 events. 6873/9447 cut-off events. For 1300/1300 co-relation queries the response was YES. Maximal size of possible extension queue 626. Compared 55768 event pairs, 1273 based on Foata normal form. 0/8315 useless extension candidates. Maximal degree in co-relation 22181. Up to 7949 conditions per place. [2024-12-02 08:00:24,431 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 60 selfloop transitions, 9 changer transitions 0/83 dead transitions. [2024-12-02 08:00:24,431 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 83 transitions, 366 flow [2024-12-02 08:00:24,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:00:24,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 08:00:24,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 145 transitions. [2024-12-02 08:00:24,433 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7107843137254902 [2024-12-02 08:00:24,433 INFO L175 Difference]: Start difference. First operand has 57 places, 47 transitions, 138 flow. Second operand 4 states and 145 transitions. [2024-12-02 08:00:24,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 83 transitions, 366 flow [2024-12-02 08:00:24,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 83 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-12-02 08:00:24,435 INFO L231 Difference]: Finished difference. Result has 59 places, 51 transitions, 190 flow [2024-12-02 08:00:24,436 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=190, PETRI_PLACES=59, PETRI_TRANSITIONS=51} [2024-12-02 08:00:24,436 INFO L279 CegarLoopForPetriNet]: 60 programPoint places, -1 predicate places. [2024-12-02 08:00:24,436 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 51 transitions, 190 flow [2024-12-02 08:00:24,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:00:24,436 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:00:24,436 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:00:24,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 08:00:24,437 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-12-02 08:00:24,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:00:24,437 INFO L85 PathProgramCache]: Analyzing trace with hash 332884679, now seen corresponding path program 1 times [2024-12-02 08:00:24,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:00:24,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109435686] [2024-12-02 08:00:24,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:00:24,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:00:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:00:24,591 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 08:00:24,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:00:24,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109435686] [2024-12-02 08:00:24,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109435686] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:00:24,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:00:24,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:00:24,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62441294] [2024-12-02 08:00:24,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:00:24,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 08:00:24,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:00:24,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 08:00:24,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:00:24,597 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 51 [2024-12-02 08:00:24,597 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 51 transitions, 190 flow. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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 08:00:24,598 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:00:24,598 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 51 [2024-12-02 08:00:24,598 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:00:25,320 INFO L124 PetriNetUnfolderBase]: 4785/6615 cut-off events. [2024-12-02 08:00:25,320 INFO L125 PetriNetUnfolderBase]: For 3261/3261 co-relation queries the response was YES. [2024-12-02 08:00:25,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17728 conditions, 6615 events. 4785/6615 cut-off events. For 3261/3261 co-relation queries the response was YES. Maximal size of possible extension queue 393. Compared 37416 event pairs, 269 based on Foata normal form. 0/6371 useless extension candidates. Maximal degree in co-relation 17715. Up to 2833 conditions per place. [2024-12-02 08:00:25,340 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 71 selfloop transitions, 13 changer transitions 4/102 dead transitions. [2024-12-02 08:00:25,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 102 transitions, 496 flow [2024-12-02 08:00:25,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 08:00:25,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 08:00:25,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 182 transitions. [2024-12-02 08:00:25,342 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7137254901960784 [2024-12-02 08:00:25,342 INFO L175 Difference]: Start difference. First operand has 59 places, 51 transitions, 190 flow. Second operand 5 states and 182 transitions. [2024-12-02 08:00:25,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 102 transitions, 496 flow [2024-12-02 08:00:25,345 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 102 transitions, 478 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-12-02 08:00:25,346 INFO L231 Difference]: Finished difference. Result has 62 places, 51 transitions, 214 flow [2024-12-02 08:00:25,347 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=214, PETRI_PLACES=62, PETRI_TRANSITIONS=51} [2024-12-02 08:00:25,347 INFO L279 CegarLoopForPetriNet]: 60 programPoint places, 2 predicate places. [2024-12-02 08:00:25,347 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 214 flow [2024-12-02 08:00:25,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 5 states have internal predecessors, (102), 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 08:00:25,347 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 08:00:25,348 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:00:25,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 08:00:25,348 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-12-02 08:00:25,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:00:25,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1664979166, now seen corresponding path program 1 times [2024-12-02 08:00:25,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:00:25,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132684648] [2024-12-02 08:00:25,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:00:25,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:00:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:00:25,516 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 08:00:25,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:00:25,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132684648] [2024-12-02 08:00:25,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132684648] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:00:25,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:00:25,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:00:25,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481646277] [2024-12-02 08:00:25,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:00:25,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:00:25,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:00:25,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:00:25,517 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:00:25,522 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 51 [2024-12-02 08:00:25,523 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 214 flow. Second operand has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 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 08:00:25,523 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 08:00:25,523 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 51 [2024-12-02 08:00:25,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 08:00:26,126 INFO L124 PetriNetUnfolderBase]: 3969/5511 cut-off events. [2024-12-02 08:00:26,127 INFO L125 PetriNetUnfolderBase]: For 5965/5965 co-relation queries the response was YES. [2024-12-02 08:00:26,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15543 conditions, 5511 events. 3969/5511 cut-off events. For 5965/5965 co-relation queries the response was YES. Maximal size of possible extension queue 379. Compared 32106 event pairs, 125 based on Foata normal form. 192/5651 useless extension candidates. Maximal degree in co-relation 15529. Up to 2284 conditions per place. [2024-12-02 08:00:26,137 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 0 selfloop transitions, 0 changer transitions 94/94 dead transitions. [2024-12-02 08:00:26,137 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 94 transitions, 448 flow [2024-12-02 08:00:26,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 08:00:26,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-12-02 08:00:26,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 192 transitions. [2024-12-02 08:00:26,138 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6274509803921569 [2024-12-02 08:00:26,138 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 214 flow. Second operand 6 states and 192 transitions. [2024-12-02 08:00:26,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 94 transitions, 448 flow [2024-12-02 08:00:26,165 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 94 transitions, 393 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-12-02 08:00:26,165 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow [2024-12-02 08:00:26,165 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=57, PETRI_TRANSITIONS=0} [2024-12-02 08:00:26,166 INFO L279 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2024-12-02 08:00:26,166 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow [2024-12-02 08:00:26,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 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 08:00:26,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-12-02 08:00:26,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-12-02 08:00:26,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-12-02 08:00:26,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-12-02 08:00:26,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-12-02 08:00:26,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-12-02 08:00:26,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-12-02 08:00:26,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-12-02 08:00:26,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-12-02 08:00:26,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-12-02 08:00:26,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-12-02 08:00:26,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-12-02 08:00:26,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-12-02 08:00:26,169 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-12-02 08:00:26,169 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-12-02 08:00:26,169 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-12-02 08:00:26,169 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-12-02 08:00:26,169 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-12-02 08:00:26,169 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-12-02 08:00:26,169 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-12-02 08:00:26,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 08:00:26,169 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-12-02 08:00:26,174 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 08:00:26,174 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 08:00:26,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:00:26 BasicIcfg [2024-12-02 08:00:26,179 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 08:00:26,180 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:00:26,180 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:00:26,180 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:00:26,180 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:00:18" (3/4) ... [2024-12-02 08:00:26,182 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 08:00:26,184 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-12-02 08:00:26,184 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-12-02 08:00:26,184 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-12-02 08:00:26,184 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-12-02 08:00:26,189 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 96 nodes and edges [2024-12-02 08:00:26,189 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-12-02 08:00:26,189 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-02 08:00:26,189 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 08:00:26,254 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc872f0-c5c4-4278-a4a2-61cb870f8076/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 08:00:26,255 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc872f0-c5c4-4278-a4a2-61cb870f8076/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 08:00:26,255 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:00:26,255 INFO L158 Benchmark]: Toolchain (without parser) took 9062.55ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 914.4MB). Free memory was 115.9MB in the beginning and 714.6MB in the end (delta: -598.7MB). Peak memory consumption was 316.3MB. Max. memory is 16.1GB. [2024-12-02 08:00:26,256 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 83.3MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:00:26,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.48ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 92.1MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 08:00:26,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.56ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 89.6MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:00:26,257 INFO L158 Benchmark]: Boogie Preprocessor took 43.40ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 86.5MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:00:26,257 INFO L158 Benchmark]: RCFGBuilder took 683.86ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 89.9MB in the end (delta: -3.6MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2024-12-02 08:00:26,257 INFO L158 Benchmark]: TraceAbstraction took 7849.35ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 914.4MB). Free memory was 89.2MB in the beginning and 722.9MB in the end (delta: -633.7MB). Peak memory consumption was 813.9MB. Max. memory is 16.1GB. [2024-12-02 08:00:26,258 INFO L158 Benchmark]: Witness Printer took 75.07ms. Allocated memory is still 1.1GB. Free memory was 722.9MB in the beginning and 714.6MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:00:26,259 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory was 83.3MB in the beginning and 83.3MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.48ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 92.1MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.56ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 89.6MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.40ms. Allocated memory is still 142.6MB. Free memory was 89.6MB in the beginning and 86.5MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 683.86ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 89.9MB in the end (delta: -3.6MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * TraceAbstraction took 7849.35ms. Allocated memory was 142.6MB in the beginning and 1.1GB in the end (delta: 914.4MB). Free memory was 89.2MB in the beginning and 722.9MB in the end (delta: -633.7MB). Peak memory consumption was 813.9MB. Max. memory is 16.1GB. * Witness Printer took 75.07ms. Allocated memory is still 1.1GB. Free memory was 722.9MB in the beginning and 714.6MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 778]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 778]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 808]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 808]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 93 locations, 20 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: 7.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 235 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 225 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 451 IncrementalHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 0 mSDtfsCounter, 451 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 240 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-02 08:00:26,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc872f0-c5c4-4278-a4a2-61cb870f8076/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE