./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd --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 7641d1105b9de7b20c96680ae1baa82cbf27158c037dacb66ff49f347bd2fa94 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:29:52,613 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:29:52,699 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 13:29:52,711 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:29:52,711 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:29:52,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:29:52,766 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:29:52,766 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:29:52,767 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:29:52,768 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:29:52,769 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:29:52,770 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:29:52,770 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:29:52,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:29:52,771 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:29:52,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:29:52,771 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:29:52,772 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:29:52,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:29:52,772 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:29:52,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:29:52,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:29:52,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:29:52,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:29:52,773 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:29:52,773 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:29:52,773 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:29:52,773 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:29:52,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:29:52,774 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:29:52,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:29:52,774 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:29:52,774 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:29:52,774 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:29:52,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:29:52,775 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:29:52,775 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:29:52,775 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:29:52,775 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:29:52,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:29:52,777 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:29:52,777 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:29:52,777 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:29:52,777 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:29:52,777 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_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd 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 -> 7641d1105b9de7b20c96680ae1baa82cbf27158c037dacb66ff49f347bd2fa94 [2024-11-13 13:29:53,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:29:53,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:29:53,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:29:53,220 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:29:53,220 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:29:53,223 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/weaver/parallel-lamport.wvr.c Unable to find full path for "g++" [2024-11-13 13:29:55,546 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:29:55,956 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:29:55,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/sv-benchmarks/c/weaver/parallel-lamport.wvr.c [2024-11-13 13:29:55,980 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/data/260f1a394/a3b1f8b632bd484a82178858c1a634af/FLAG035170f19 [2024-11-13 13:29:56,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/data/260f1a394/a3b1f8b632bd484a82178858c1a634af [2024-11-13 13:29:56,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:29:56,014 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:29:56,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:29:56,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:29:56,023 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:29:56,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:29:56" (1/1) ... [2024-11-13 13:29:56,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12390375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:56, skipping insertion in model container [2024-11-13 13:29:56,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:29:56" (1/1) ... [2024-11-13 13:29:56,053 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:29:56,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:29:56,352 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:29:56,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:29:56,435 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:29:56,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:56 WrapperNode [2024-11-13 13:29:56,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:29:56,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:29:56,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:29:56,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:29:56,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:56" (1/1) ... [2024-11-13 13:29:56,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:56" (1/1) ... [2024-11-13 13:29:56,501 INFO L138 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 214 [2024-11-13 13:29:56,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:29:56,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:29:56,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:29:56,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:29:56,520 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:56" (1/1) ... [2024-11-13 13:29:56,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:56" (1/1) ... [2024-11-13 13:29:56,527 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:56" (1/1) ... [2024-11-13 13:29:56,553 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-13 13:29:56,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:56" (1/1) ... [2024-11-13 13:29:56,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:56" (1/1) ... [2024-11-13 13:29:56,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:56" (1/1) ... [2024-11-13 13:29:56,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:56" (1/1) ... [2024-11-13 13:29:56,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:56" (1/1) ... [2024-11-13 13:29:56,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:56" (1/1) ... [2024-11-13 13:29:56,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:29:56,577 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:29:56,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:29:56,578 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:29:56,579 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:56" (1/1) ... [2024-11-13 13:29:56,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:29:56,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:29:56,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:29:56,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:29:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:29:56,665 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 13:29:56,665 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 13:29:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 13:29:56,668 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 13:29:56,668 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-13 13:29:56,669 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-13 13:29:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:29:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 13:29:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 13:29:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 13:29:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 13:29:56,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:29:56,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:29:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 13:29:56,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 13:29:56,672 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 13:29:56,841 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:29:56,844 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:29:57,478 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 13:29:57,478 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:29:57,820 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:29:57,822 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:29:57,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:29:57 BoogieIcfgContainer [2024-11-13 13:29:57,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:29:57,827 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:29:57,827 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:29:57,835 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:29:57,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:29:56" (1/3) ... [2024-11-13 13:29:57,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a94960b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:29:57, skipping insertion in model container [2024-11-13 13:29:57,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:29:56" (2/3) ... [2024-11-13 13:29:57,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a94960b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:29:57, skipping insertion in model container [2024-11-13 13:29:57,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:29:57" (3/3) ... [2024-11-13 13:29:57,841 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-lamport.wvr.c [2024-11-13 13:29:57,865 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:29:57,868 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-lamport.wvr.c that has 4 procedures, 70 locations, 1 initial locations, 1 loop locations, and 6 error locations. [2024-11-13 13:29:57,868 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 13:29:57,977 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-13 13:29:58,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 70 transitions, 161 flow [2024-11-13 13:29:58,134 INFO L124 PetriNetUnfolderBase]: 1/67 cut-off events. [2024-11-13 13:29:58,139 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-13 13:29:58,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 67 events. 1/67 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 90 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2024-11-13 13:29:58,146 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 70 transitions, 161 flow [2024-11-13 13:29:58,153 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 64 transitions, 140 flow [2024-11-13 13:29:58,168 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:29:58,190 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;@2d98b729, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:29:58,195 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-11-13 13:29:58,211 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:29:58,212 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2024-11-13 13:29:58,213 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:29:58,213 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:29:58,214 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:29:58,214 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-13 13:29:58,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:58,223 INFO L85 PathProgramCache]: Analyzing trace with hash 227276819, now seen corresponding path program 1 times [2024-11-13 13:29:58,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:58,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980703808] [2024-11-13 13:29:58,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:58,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:58,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:58,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:58,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980703808] [2024-11-13 13:29:58,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980703808] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:58,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:29:58,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:29:58,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157355532] [2024-11-13 13:29:58,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:58,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:29:58,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:58,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:29:58,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:29:58,860 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 70 [2024-11-13 13:29:58,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 64 transitions, 140 flow. Second operand has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:58,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:29:58,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 70 [2024-11-13 13:29:58,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:29:59,247 INFO L124 PetriNetUnfolderBase]: 305/637 cut-off events. [2024-11-13 13:29:59,248 INFO L125 PetriNetUnfolderBase]: For 40/40 co-relation queries the response was YES. [2024-11-13 13:29:59,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1202 conditions, 637 events. 305/637 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3680 event pairs, 303 based on Foata normal form. 1/569 useless extension candidates. Maximal degree in co-relation 1056. Up to 501 conditions per place. [2024-11-13 13:29:59,258 INFO L140 encePairwiseOnDemand]: 64/70 looper letters, 27 selfloop transitions, 4 changer transitions 0/67 dead transitions. [2024-11-13 13:29:59,258 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 67 transitions, 208 flow [2024-11-13 13:29:59,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:29:59,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-13 13:29:59,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 189 transitions. [2024-11-13 13:29:59,280 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.675 [2024-11-13 13:29:59,283 INFO L175 Difference]: Start difference. First operand has 73 places, 64 transitions, 140 flow. Second operand 4 states and 189 transitions. [2024-11-13 13:29:59,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 67 transitions, 208 flow [2024-11-13 13:29:59,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 67 transitions, 202 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 13:29:59,299 INFO L231 Difference]: Finished difference. Result has 74 places, 67 transitions, 163 flow [2024-11-13 13:29:59,303 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=163, PETRI_PLACES=74, PETRI_TRANSITIONS=67} [2024-11-13 13:29:59,308 INFO L277 CegarLoopForPetriNet]: 73 programPoint places, 1 predicate places. [2024-11-13 13:29:59,308 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 67 transitions, 163 flow [2024-11-13 13:29:59,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:59,309 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:29:59,310 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:29:59,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:29:59,310 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-13 13:29:59,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:29:59,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1935840389, now seen corresponding path program 1 times [2024-11-13 13:29:59,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:29:59,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389192205] [2024-11-13 13:29:59,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:59,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:29:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:59,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:59,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:29:59,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389192205] [2024-11-13 13:29:59,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389192205] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:29:59,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243798385] [2024-11-13 13:29:59,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:29:59,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:29:59,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:29:59,692 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:29:59,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:29:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:29:59,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:29:59,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:29:59,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:29:59,949 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:29:59,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243798385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:29:59,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:29:59,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-13 13:29:59,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512177879] [2024-11-13 13:29:59,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:29:59,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:29:59,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:29:59,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:29:59,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:29:59,979 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 70 [2024-11-13 13:29:59,980 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 67 transitions, 163 flow. Second operand has 6 states, 6 states have (on average 40.666666666666664) internal successors, (244), 6 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:29:59,980 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:29:59,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 70 [2024-11-13 13:29:59,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:30:00,388 INFO L124 PetriNetUnfolderBase]: 305/636 cut-off events. [2024-11-13 13:30:00,390 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2024-11-13 13:30:00,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1194 conditions, 636 events. 305/636 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3730 event pairs, 303 based on Foata normal form. 1/569 useless extension candidates. Maximal degree in co-relation 1167. Up to 496 conditions per place. [2024-11-13 13:30:00,400 INFO L140 encePairwiseOnDemand]: 65/70 looper letters, 23 selfloop transitions, 7 changer transitions 0/66 dead transitions. [2024-11-13 13:30:00,400 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 66 transitions, 219 flow [2024-11-13 13:30:00,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:30:00,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-13 13:30:00,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 265 transitions. [2024-11-13 13:30:00,404 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6309523809523809 [2024-11-13 13:30:00,404 INFO L175 Difference]: Start difference. First operand has 74 places, 67 transitions, 163 flow. Second operand 6 states and 265 transitions. [2024-11-13 13:30:00,405 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 66 transitions, 219 flow [2024-11-13 13:30:00,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 66 transitions, 216 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:30:00,411 INFO L231 Difference]: Finished difference. Result has 77 places, 66 transitions, 170 flow [2024-11-13 13:30:00,411 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=170, PETRI_PLACES=77, PETRI_TRANSITIONS=66} [2024-11-13 13:30:00,415 INFO L277 CegarLoopForPetriNet]: 73 programPoint places, 4 predicate places. [2024-11-13 13:30:00,415 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 66 transitions, 170 flow [2024-11-13 13:30:00,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.666666666666664) internal successors, (244), 6 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:00,416 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:30:00,416 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:30:00,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:30:00,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-13 13:30:00,617 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-13 13:30:00,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:00,618 INFO L85 PathProgramCache]: Analyzing trace with hash -118489496, now seen corresponding path program 1 times [2024-11-13 13:30:00,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:00,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979027575] [2024-11-13 13:30:00,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:00,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:00,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:00,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:00,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979027575] [2024-11-13 13:30:00,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979027575] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:30:00,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33650672] [2024-11-13 13:30:00,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:00,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:30:00,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:30:00,813 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:30:00,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:30:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:00,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:30:00,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:30:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:00,974 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:30:01,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:01,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33650672] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:30:01,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:30:01,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-13 13:30:01,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828543918] [2024-11-13 13:30:01,048 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:30:01,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:30:01,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:01,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:30:01,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:30:01,082 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 39 out of 70 [2024-11-13 13:30:01,084 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 66 transitions, 170 flow. Second operand has 12 states, 12 states have (on average 40.5) internal successors, (486), 12 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:01,084 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:30:01,084 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 39 of 70 [2024-11-13 13:30:01,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:30:01,390 INFO L124 PetriNetUnfolderBase]: 308/648 cut-off events. [2024-11-13 13:30:01,390 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-13 13:30:01,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1238 conditions, 648 events. 308/648 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3739 event pairs, 303 based on Foata normal form. 3/581 useless extension candidates. Maximal degree in co-relation 1168. Up to 503 conditions per place. [2024-11-13 13:30:01,398 INFO L140 encePairwiseOnDemand]: 65/70 looper letters, 26 selfloop transitions, 13 changer transitions 0/75 dead transitions. [2024-11-13 13:30:01,401 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 75 transitions, 302 flow [2024-11-13 13:30:01,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:30:01,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-13 13:30:01,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 432 transitions. [2024-11-13 13:30:01,406 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6171428571428571 [2024-11-13 13:30:01,409 INFO L175 Difference]: Start difference. First operand has 77 places, 66 transitions, 170 flow. Second operand 10 states and 432 transitions. [2024-11-13 13:30:01,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 75 transitions, 302 flow [2024-11-13 13:30:01,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 75 transitions, 256 flow, removed 8 selfloop flow, removed 5 redundant places. [2024-11-13 13:30:01,413 INFO L231 Difference]: Finished difference. Result has 84 places, 75 transitions, 222 flow [2024-11-13 13:30:01,416 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=222, PETRI_PLACES=84, PETRI_TRANSITIONS=75} [2024-11-13 13:30:01,417 INFO L277 CegarLoopForPetriNet]: 73 programPoint places, 11 predicate places. [2024-11-13 13:30:01,417 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 75 transitions, 222 flow [2024-11-13 13:30:01,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 40.5) internal successors, (486), 12 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:01,417 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:30:01,419 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:30:01,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 13:30:01,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:30:01,624 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-13 13:30:01,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:01,624 INFO L85 PathProgramCache]: Analyzing trace with hash -776870535, now seen corresponding path program 1 times [2024-11-13 13:30:01,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:01,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553236103] [2024-11-13 13:30:01,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:01,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:01,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:01,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:01,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553236103] [2024-11-13 13:30:01,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553236103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:01,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:01,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:30:01,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557837018] [2024-11-13 13:30:01,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:01,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:30:01,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:01,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:30:01,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:30:01,791 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 70 [2024-11-13 13:30:01,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 75 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:01,792 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:30:01,792 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 70 [2024-11-13 13:30:01,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:30:02,100 INFO L124 PetriNetUnfolderBase]: 638/1292 cut-off events. [2024-11-13 13:30:02,101 INFO L125 PetriNetUnfolderBase]: For 56/56 co-relation queries the response was YES. [2024-11-13 13:30:02,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2437 conditions, 1292 events. 638/1292 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 7944 event pairs, 306 based on Foata normal form. 61/1308 useless extension candidates. Maximal degree in co-relation 2403. Up to 560 conditions per place. [2024-11-13 13:30:02,111 INFO L140 encePairwiseOnDemand]: 65/70 looper letters, 46 selfloop transitions, 3 changer transitions 4/85 dead transitions. [2024-11-13 13:30:02,111 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 85 transitions, 351 flow [2024-11-13 13:30:02,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:30:02,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:30:02,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 151 transitions. [2024-11-13 13:30:02,113 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.719047619047619 [2024-11-13 13:30:02,113 INFO L175 Difference]: Start difference. First operand has 84 places, 75 transitions, 222 flow. Second operand 3 states and 151 transitions. [2024-11-13 13:30:02,113 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 85 transitions, 351 flow [2024-11-13 13:30:02,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 85 transitions, 340 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-13 13:30:02,118 INFO L231 Difference]: Finished difference. Result has 85 places, 75 transitions, 224 flow [2024-11-13 13:30:02,120 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=211, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=85, PETRI_TRANSITIONS=75} [2024-11-13 13:30:02,121 INFO L277 CegarLoopForPetriNet]: 73 programPoint places, 12 predicate places. [2024-11-13 13:30:02,121 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 75 transitions, 224 flow [2024-11-13 13:30:02,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:02,122 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:30:02,122 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:30:02,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:30:02,122 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-13 13:30:02,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:02,123 INFO L85 PathProgramCache]: Analyzing trace with hash 699354438, now seen corresponding path program 1 times [2024-11-13 13:30:02,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:02,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961655693] [2024-11-13 13:30:02,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:02,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:02,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:02,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:02,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961655693] [2024-11-13 13:30:02,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961655693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:02,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:02,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:30:02,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716921035] [2024-11-13 13:30:02,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:02,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:30:02,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:02,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:30:02,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:30:02,234 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 70 [2024-11-13 13:30:02,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 75 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:02,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:30:02,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 70 [2024-11-13 13:30:02,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:30:02,533 INFO L124 PetriNetUnfolderBase]: 658/1330 cut-off events. [2024-11-13 13:30:02,534 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2024-11-13 13:30:02,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2535 conditions, 1330 events. 658/1330 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 8322 event pairs, 341 based on Foata normal form. 59/1321 useless extension candidates. Maximal degree in co-relation 2500. Up to 539 conditions per place. [2024-11-13 13:30:02,544 INFO L140 encePairwiseOnDemand]: 65/70 looper letters, 48 selfloop transitions, 3 changer transitions 3/86 dead transitions. [2024-11-13 13:30:02,544 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 86 transitions, 358 flow [2024-11-13 13:30:02,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:30:02,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:30:02,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 152 transitions. [2024-11-13 13:30:02,547 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7238095238095238 [2024-11-13 13:30:02,547 INFO L175 Difference]: Start difference. First operand has 85 places, 75 transitions, 224 flow. Second operand 3 states and 152 transitions. [2024-11-13 13:30:02,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 86 transitions, 358 flow [2024-11-13 13:30:02,550 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 86 transitions, 352 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:30:02,552 INFO L231 Difference]: Finished difference. Result has 86 places, 75 transitions, 231 flow [2024-11-13 13:30:02,554 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=231, PETRI_PLACES=86, PETRI_TRANSITIONS=75} [2024-11-13 13:30:02,555 INFO L277 CegarLoopForPetriNet]: 73 programPoint places, 13 predicate places. [2024-11-13 13:30:02,555 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 75 transitions, 231 flow [2024-11-13 13:30:02,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:02,556 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:30:02,556 INFO L204 CegarLoopForPetriNet]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:30:02,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:30:02,558 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-13 13:30:02,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:02,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1417815834, now seen corresponding path program 2 times [2024-11-13 13:30:02,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:02,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367075961] [2024-11-13 13:30:02,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:02,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:02,882 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:02,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:02,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367075961] [2024-11-13 13:30:02,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367075961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:30:02,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199009606] [2024-11-13 13:30:02,883 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:30:02,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:30:02,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:30:02,885 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:30:02,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:30:02,983 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 13:30:02,983 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:30:02,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 13:30:02,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:30:03,095 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 13:30:03,095 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:30:03,190 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 13:30:03,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199009606] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:30:03,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:30:03,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 15 [2024-11-13 13:30:03,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846255270] [2024-11-13 13:30:03,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:30:03,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 13:30:03,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:03,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 13:30:03,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-13 13:30:03,233 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 70 [2024-11-13 13:30:03,234 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 75 transitions, 231 flow. Second operand has 16 states, 16 states have (on average 39.5) internal successors, (632), 16 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:03,234 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:30:03,234 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 70 [2024-11-13 13:30:03,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:30:03,764 INFO L124 PetriNetUnfolderBase]: 363/771 cut-off events. [2024-11-13 13:30:03,764 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2024-11-13 13:30:03,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1492 conditions, 771 events. 363/771 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 4815 event pairs, 357 based on Foata normal form. 2/677 useless extension candidates. Maximal degree in co-relation 1449. Up to 600 conditions per place. [2024-11-13 13:30:03,770 INFO L140 encePairwiseOnDemand]: 63/70 looper letters, 21 selfloop transitions, 21 changer transitions 0/77 dead transitions. [2024-11-13 13:30:03,770 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 77 transitions, 321 flow [2024-11-13 13:30:03,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:30:03,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-13 13:30:03,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 652 transitions. [2024-11-13 13:30:03,773 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5821428571428572 [2024-11-13 13:30:03,774 INFO L175 Difference]: Start difference. First operand has 86 places, 75 transitions, 231 flow. Second operand 16 states and 652 transitions. [2024-11-13 13:30:03,774 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 77 transitions, 321 flow [2024-11-13 13:30:03,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 77 transitions, 303 flow, removed 2 selfloop flow, removed 6 redundant places. [2024-11-13 13:30:03,777 INFO L231 Difference]: Finished difference. Result has 94 places, 77 transitions, 261 flow [2024-11-13 13:30:03,777 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=261, PETRI_PLACES=94, PETRI_TRANSITIONS=77} [2024-11-13 13:30:03,778 INFO L277 CegarLoopForPetriNet]: 73 programPoint places, 21 predicate places. [2024-11-13 13:30:03,778 INFO L471 AbstractCegarLoop]: Abstraction has has 94 places, 77 transitions, 261 flow [2024-11-13 13:30:03,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 39.5) internal successors, (632), 16 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:03,779 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:30:03,779 INFO L204 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] [2024-11-13 13:30:03,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 13:30:03,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-13 13:30:03,988 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-13 13:30:03,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:03,988 INFO L85 PathProgramCache]: Analyzing trace with hash 284121459, now seen corresponding path program 1 times [2024-11-13 13:30:03,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:03,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9695412] [2024-11-13 13:30:03,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:03,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:04,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:04,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:04,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9695412] [2024-11-13 13:30:04,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9695412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:04,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:04,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:30:04,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711967930] [2024-11-13 13:30:04,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:04,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:30:04,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:04,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:30:04,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:30:04,140 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 70 [2024-11-13 13:30:04,140 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 77 transitions, 261 flow. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:04,140 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:30:04,140 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 70 [2024-11-13 13:30:04,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:30:04,640 INFO L124 PetriNetUnfolderBase]: 1352/2698 cut-off events. [2024-11-13 13:30:04,640 INFO L125 PetriNetUnfolderBase]: For 237/237 co-relation queries the response was YES. [2024-11-13 13:30:04,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5238 conditions, 2698 events. 1352/2698 cut-off events. For 237/237 co-relation queries the response was YES. Maximal size of possible extension queue 146. Compared 18645 event pairs, 521 based on Foata normal form. 30/2690 useless extension candidates. Maximal degree in co-relation 5129. Up to 776 conditions per place. [2024-11-13 13:30:04,652 INFO L140 encePairwiseOnDemand]: 63/70 looper letters, 59 selfloop transitions, 5 changer transitions 25/115 dead transitions. [2024-11-13 13:30:04,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 115 transitions, 529 flow [2024-11-13 13:30:04,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:30:04,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 13:30:04,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 230 transitions. [2024-11-13 13:30:04,653 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6571428571428571 [2024-11-13 13:30:04,654 INFO L175 Difference]: Start difference. First operand has 94 places, 77 transitions, 261 flow. Second operand 5 states and 230 transitions. [2024-11-13 13:30:04,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 115 transitions, 529 flow [2024-11-13 13:30:04,657 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 115 transitions, 454 flow, removed 6 selfloop flow, removed 14 redundant places. [2024-11-13 13:30:04,659 INFO L231 Difference]: Finished difference. Result has 84 places, 76 transitions, 194 flow [2024-11-13 13:30:04,661 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=194, PETRI_PLACES=84, PETRI_TRANSITIONS=76} [2024-11-13 13:30:04,662 INFO L277 CegarLoopForPetriNet]: 73 programPoint places, 11 predicate places. [2024-11-13 13:30:04,664 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 76 transitions, 194 flow [2024-11-13 13:30:04,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:04,665 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:30:04,665 INFO L204 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] [2024-11-13 13:30:04,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:30:04,665 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-13 13:30:04,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:04,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1624883653, now seen corresponding path program 1 times [2024-11-13 13:30:04,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:04,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100038894] [2024-11-13 13:30:04,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:04,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:04,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:04,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:04,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100038894] [2024-11-13 13:30:04,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100038894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:04,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:04,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:30:04,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453419010] [2024-11-13 13:30:04,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:04,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:30:04,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:04,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:30:04,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:30:04,767 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 70 [2024-11-13 13:30:04,768 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 76 transitions, 194 flow. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:04,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:30:04,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 70 [2024-11-13 13:30:04,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:30:05,059 INFO L124 PetriNetUnfolderBase]: 632/1376 cut-off events. [2024-11-13 13:30:05,060 INFO L125 PetriNetUnfolderBase]: For 277/277 co-relation queries the response was YES. [2024-11-13 13:30:05,063 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2861 conditions, 1376 events. 632/1376 cut-off events. For 277/277 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 8092 event pairs, 251 based on Foata normal form. 30/1386 useless extension candidates. Maximal degree in co-relation 1748. Up to 390 conditions per place. [2024-11-13 13:30:05,067 INFO L140 encePairwiseOnDemand]: 64/70 looper letters, 58 selfloop transitions, 5 changer transitions 3/92 dead transitions. [2024-11-13 13:30:05,067 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 92 transitions, 363 flow [2024-11-13 13:30:05,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:30:05,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-13 13:30:05,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 176 transitions. [2024-11-13 13:30:05,069 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6285714285714286 [2024-11-13 13:30:05,069 INFO L175 Difference]: Start difference. First operand has 84 places, 76 transitions, 194 flow. Second operand 4 states and 176 transitions. [2024-11-13 13:30:05,069 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 92 transitions, 363 flow [2024-11-13 13:30:05,071 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 92 transitions, 356 flow, removed 1 selfloop flow, removed 3 redundant places. [2024-11-13 13:30:05,073 INFO L231 Difference]: Finished difference. Result has 82 places, 75 transitions, 193 flow [2024-11-13 13:30:05,073 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=193, PETRI_PLACES=82, PETRI_TRANSITIONS=75} [2024-11-13 13:30:05,074 INFO L277 CegarLoopForPetriNet]: 73 programPoint places, 9 predicate places. [2024-11-13 13:30:05,074 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 75 transitions, 193 flow [2024-11-13 13:30:05,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:05,074 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:30:05,075 INFO L204 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] [2024-11-13 13:30:05,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:30:05,075 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-13 13:30:05,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:05,075 INFO L85 PathProgramCache]: Analyzing trace with hash -151449317, now seen corresponding path program 1 times [2024-11-13 13:30:05,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:05,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67028077] [2024-11-13 13:30:05,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:05,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:05,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:05,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:05,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67028077] [2024-11-13 13:30:05,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67028077] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:05,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:05,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:30:05,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247851876] [2024-11-13 13:30:05,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:05,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:30:05,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:05,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:30:05,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:30:05,189 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 70 [2024-11-13 13:30:05,190 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 75 transitions, 193 flow. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:05,190 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:30:05,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 70 [2024-11-13 13:30:05,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:30:05,414 INFO L124 PetriNetUnfolderBase]: 549/1147 cut-off events. [2024-11-13 13:30:05,414 INFO L125 PetriNetUnfolderBase]: For 378/416 co-relation queries the response was YES. [2024-11-13 13:30:05,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2477 conditions, 1147 events. 549/1147 cut-off events. For 378/416 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 6413 event pairs, 348 based on Foata normal form. 24/1138 useless extension candidates. Maximal degree in co-relation 1196. Up to 579 conditions per place. [2024-11-13 13:30:05,419 INFO L140 encePairwiseOnDemand]: 66/70 looper letters, 45 selfloop transitions, 3 changer transitions 12/82 dead transitions. [2024-11-13 13:30:05,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 82 transitions, 320 flow [2024-11-13 13:30:05,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:30:05,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-13 13:30:05,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 166 transitions. [2024-11-13 13:30:05,421 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5928571428571429 [2024-11-13 13:30:05,422 INFO L175 Difference]: Start difference. First operand has 82 places, 75 transitions, 193 flow. Second operand 4 states and 166 transitions. [2024-11-13 13:30:05,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 82 transitions, 320 flow [2024-11-13 13:30:05,423 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 82 transitions, 307 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-13 13:30:05,425 INFO L231 Difference]: Finished difference. Result has 80 places, 64 transitions, 159 flow [2024-11-13 13:30:05,425 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=159, PETRI_PLACES=80, PETRI_TRANSITIONS=64} [2024-11-13 13:30:05,426 INFO L277 CegarLoopForPetriNet]: 73 programPoint places, 7 predicate places. [2024-11-13 13:30:05,426 INFO L471 AbstractCegarLoop]: Abstraction has has 80 places, 64 transitions, 159 flow [2024-11-13 13:30:05,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:05,427 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:30:05,427 INFO L204 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] [2024-11-13 13:30:05,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:30:05,427 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-11-13 13:30:05,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:30:05,428 INFO L85 PathProgramCache]: Analyzing trace with hash -250629590, now seen corresponding path program 1 times [2024-11-13 13:30:05,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:30:05,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044745585] [2024-11-13 13:30:05,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:30:05,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:30:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:30:05,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:30:05,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:30:05,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044745585] [2024-11-13 13:30:05,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044745585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:30:05,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:30:05,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:30:05,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558115308] [2024-11-13 13:30:05,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:30:05,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:30:05,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:30:05,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:30:05,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:30:05,527 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 31 out of 70 [2024-11-13 13:30:05,528 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 64 transitions, 159 flow. Second operand has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:05,528 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:30:05,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 31 of 70 [2024-11-13 13:30:05,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:30:05,600 INFO L124 PetriNetUnfolderBase]: 69/193 cut-off events. [2024-11-13 13:30:05,600 INFO L125 PetriNetUnfolderBase]: For 93/93 co-relation queries the response was YES. [2024-11-13 13:30:05,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 412 conditions, 193 events. 69/193 cut-off events. For 93/93 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 661 event pairs, 63 based on Foata normal form. 30/208 useless extension candidates. Maximal degree in co-relation 326. Up to 152 conditions per place. [2024-11-13 13:30:05,601 INFO L140 encePairwiseOnDemand]: 68/70 looper letters, 0 selfloop transitions, 0 changer transitions 63/63 dead transitions. [2024-11-13 13:30:05,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 63 transitions, 237 flow [2024-11-13 13:30:05,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:30:05,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:30:05,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 120 transitions. [2024-11-13 13:30:05,603 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5714285714285714 [2024-11-13 13:30:05,603 INFO L175 Difference]: Start difference. First operand has 80 places, 64 transitions, 159 flow. Second operand 3 states and 120 transitions. [2024-11-13 13:30:05,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 63 transitions, 237 flow [2024-11-13 13:30:05,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 63 transitions, 225 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-13 13:30:05,604 INFO L231 Difference]: Finished difference. Result has 66 places, 0 transitions, 0 flow [2024-11-13 13:30:05,605 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=143, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=66, PETRI_TRANSITIONS=0} [2024-11-13 13:30:05,605 INFO L277 CegarLoopForPetriNet]: 73 programPoint places, -7 predicate places. [2024-11-13 13:30:05,606 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 0 transitions, 0 flow [2024-11-13 13:30:05,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.75) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:30:05,609 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 13 remaining) [2024-11-13 13:30:05,609 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 13 remaining) [2024-11-13 13:30:05,610 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 13 remaining) [2024-11-13 13:30:05,610 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 13 remaining) [2024-11-13 13:30:05,610 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 13 remaining) [2024-11-13 13:30:05,610 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 13 remaining) [2024-11-13 13:30:05,610 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 13 remaining) [2024-11-13 13:30:05,610 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 13 remaining) [2024-11-13 13:30:05,610 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 13 remaining) [2024-11-13 13:30:05,611 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 13 remaining) [2024-11-13 13:30:05,611 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 13 remaining) [2024-11-13 13:30:05,611 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 13 remaining) [2024-11-13 13:30:05,611 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 13 remaining) [2024-11-13 13:30:05,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:30:05,612 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:30:05,618 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 13:30:05,618 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:30:05,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:30:05 BasicIcfg [2024-11-13 13:30:05,624 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:30:05,625 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:30:05,625 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:30:05,625 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:30:05,626 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:29:57" (3/4) ... [2024-11-13 13:30:05,628 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 13:30:05,631 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-13 13:30:05,631 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-13 13:30:05,631 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-13 13:30:05,637 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2024-11-13 13:30:05,638 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-13 13:30:05,638 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-13 13:30:05,638 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 13:30:05,754 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:30:05,754 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 13:30:05,755 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:30:05,756 INFO L158 Benchmark]: Toolchain (without parser) took 9742.29ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 129.1MB in the beginning and 87.0MB in the end (delta: 42.1MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. [2024-11-13 13:30:05,756 INFO L158 Benchmark]: CDTParser took 1.23ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:30:05,757 INFO L158 Benchmark]: CACSL2BoogieTranslator took 419.92ms. Allocated memory is still 167.8MB. Free memory was 128.7MB in the beginning and 116.8MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:30:05,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.21ms. Allocated memory is still 167.8MB. Free memory was 116.5MB in the beginning and 114.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:30:05,758 INFO L158 Benchmark]: Boogie Preprocessor took 70.74ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 112.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:30:05,760 INFO L158 Benchmark]: RCFGBuilder took 1245.14ms. Allocated memory is still 167.8MB. Free memory was 112.5MB in the beginning and 66.2MB in the end (delta: 46.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 13:30:05,761 INFO L158 Benchmark]: TraceAbstraction took 7797.42ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 65.6MB in the beginning and 91.2MB in the end (delta: -25.6MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-13 13:30:05,761 INFO L158 Benchmark]: Witness Printer took 129.63ms. Allocated memory is still 201.3MB. Free memory was 91.2MB in the beginning and 87.0MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:30:05,765 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.23ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 419.92ms. Allocated memory is still 167.8MB. Free memory was 128.7MB in the beginning and 116.8MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.21ms. Allocated memory is still 167.8MB. Free memory was 116.5MB in the beginning and 114.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 70.74ms. Allocated memory is still 167.8MB. Free memory was 114.5MB in the beginning and 112.5MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1245.14ms. Allocated memory is still 167.8MB. Free memory was 112.5MB in the beginning and 66.2MB in the end (delta: 46.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7797.42ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 65.6MB in the beginning and 91.2MB in the end (delta: -25.6MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Witness Printer took 129.63ms. Allocated memory is still 201.3MB. Free memory was 91.2MB in the beginning and 87.0MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 65]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 130]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 130]: 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 7 procedures, 111 locations, 13 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: 7.6s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 462 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 358 mSDsluCounter, 154 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 975 IncrementalHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 46 mSDtfsCounter, 975 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 163 GetRequests, 94 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=261occurred in iteration=6, InterpolantAutomatonStates: 58, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 289 NumberOfCodeBlocks, 277 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 317 ConstructedInterpolants, 0 QuantifiedInterpolants, 605 SizeOfPredicates, 10 NumberOfNonLiveVariables, 295 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 15 InterpolantComputations, 8 PerfectInterpolantSequences, 46/103 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 13:30:05,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_639d1c78-3db8-4055-a20a-2dcdf0024c7b/bin/uautomizer-verify-qhAvR1uOyd/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