./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix027_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fed1077-6dc6-4ae9-893f-11edab601f2b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fed1077-6dc6-4ae9-893f-11edab601f2b/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fed1077-6dc6-4ae9-893f-11edab601f2b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fed1077-6dc6-4ae9-893f-11edab601f2b/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix027_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fed1077-6dc6-4ae9-893f-11edab601f2b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fed1077-6dc6-4ae9-893f-11edab601f2b/bin/uautomizer-verify-LYvppIcaGC --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 ca8042a994ed433e8dc5deebabd166a79d030a0388291f832432b8dc85340f9d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:40:54,273 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:40:54,335 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fed1077-6dc6-4ae9-893f-11edab601f2b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-23 23:40:54,340 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:40:54,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:40:54,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:40:54,377 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:40:54,378 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:40:54,378 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:40:54,379 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:40:54,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 23:40:54,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 23:40:54,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:40:54,380 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:40:54,381 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:40:54,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:40:54,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 23:40:54,381 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 23:40:54,381 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:40:54,381 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 23:40:54,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:40:54,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 23:40:54,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 23:40:54,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 23:40:54,382 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 23:40:54,382 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:40:54,382 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 23:40:54,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:40:54,382 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:40:54,382 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:40:54,383 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 23:40:54,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:40:54,383 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:40:54,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:40:54,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:40:54,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:40:54,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:40:54,383 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 23:40:54,384 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 23:40:54,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:40:54,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:40:54,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 23:40:54,384 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 23:40:54,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 23:40:54,384 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 23:40:54,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 23:40:54,384 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 23:40:54,384 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 23:40:54,384 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 23:40:54,384 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 23:40:54,384 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_7fed1077-6dc6-4ae9-893f-11edab601f2b/bin/uautomizer-verify-LYvppIcaGC 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 -> ca8042a994ed433e8dc5deebabd166a79d030a0388291f832432b8dc85340f9d [2024-11-23 23:40:54,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:40:54,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:40:54,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:40:54,717 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:40:54,717 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:40:54,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fed1077-6dc6-4ae9-893f-11edab601f2b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-wmm/mix027_tso.i [2024-11-23 23:40:57,639 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fed1077-6dc6-4ae9-893f-11edab601f2b/bin/uautomizer-verify-LYvppIcaGC/data/c6a7ad89d/5f38004383284e2f925cba88ffdc6855/FLAG053cd3eb3 [2024-11-23 23:40:57,974 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:40:57,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fed1077-6dc6-4ae9-893f-11edab601f2b/sv-benchmarks/c/pthread-wmm/mix027_tso.i [2024-11-23 23:40:57,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fed1077-6dc6-4ae9-893f-11edab601f2b/bin/uautomizer-verify-LYvppIcaGC/data/c6a7ad89d/5f38004383284e2f925cba88ffdc6855/FLAG053cd3eb3 [2024-11-23 23:40:58,013 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fed1077-6dc6-4ae9-893f-11edab601f2b/bin/uautomizer-verify-LYvppIcaGC/data/c6a7ad89d/5f38004383284e2f925cba88ffdc6855 [2024-11-23 23:40:58,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:40:58,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:40:58,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:40:58,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:40:58,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:40:58,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:40:58" (1/1) ... [2024-11-23 23:40:58,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@136bc45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:58, skipping insertion in model container [2024-11-23 23:40:58,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:40:58" (1/1) ... [2024-11-23 23:40:58,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:40:58,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:40:58,459 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:40:58,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:40:58,589 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:40:58,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:58 WrapperNode [2024-11-23 23:40:58,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:40:58,591 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:40:58,591 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:40:58,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:40:58,600 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:58" (1/1) ... [2024-11-23 23:40:58,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:58" (1/1) ... [2024-11-23 23:40:58,664 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 152 [2024-11-23 23:40:58,664 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:40:58,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:40:58,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:40:58,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:40:58,678 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:58" (1/1) ... [2024-11-23 23:40:58,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:58" (1/1) ... [2024-11-23 23:40:58,683 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:58" (1/1) ... [2024-11-23 23:40:58,709 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 23:40:58,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:58" (1/1) ... [2024-11-23 23:40:58,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:58" (1/1) ... [2024-11-23 23:40:58,729 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:58" (1/1) ... [2024-11-23 23:40:58,730 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:58" (1/1) ... [2024-11-23 23:40:58,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:58" (1/1) ... [2024-11-23 23:40:58,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:58" (1/1) ... [2024-11-23 23:40:58,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:58" (1/1) ... [2024-11-23 23:40:58,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:40:58,746 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:40:58,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:40:58,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:40:58,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:58" (1/1) ... [2024-11-23 23:40:58,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 23:40:58,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fed1077-6dc6-4ae9-893f-11edab601f2b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:40:58,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fed1077-6dc6-4ae9-893f-11edab601f2b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 23:40:58,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fed1077-6dc6-4ae9-893f-11edab601f2b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 23:40:58,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 23:40:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 23:40:58,819 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-23 23:40:58,819 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-23 23:40:58,820 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-23 23:40:58,821 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-23 23:40:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-23 23:40:58,821 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-23 23:40:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-23 23:40:58,821 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-23 23:40:58,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 23:40:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 23:40:58,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:40:58,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:40:58,824 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-23 23:40:59,004 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:40:59,006 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:40:59,442 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 23:40:59,442 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:40:59,779 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:40:59,779 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 23:40:59,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:40:59 BoogieIcfgContainer [2024-11-23 23:40:59,780 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:40:59,785 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 23:40:59,785 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 23:40:59,790 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 23:40:59,790 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:40:58" (1/3) ... [2024-11-23 23:40:59,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5557d17a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:40:59, skipping insertion in model container [2024-11-23 23:40:59,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:40:58" (2/3) ... [2024-11-23 23:40:59,791 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5557d17a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:40:59, skipping insertion in model container [2024-11-23 23:40:59,791 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:40:59" (3/3) ... [2024-11-23 23:40:59,794 INFO L128 eAbstractionObserver]: Analyzing ICFG mix027_tso.i [2024-11-23 23:40:59,810 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 23:40:59,812 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix027_tso.i that has 5 procedures, 52 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-11-23 23:40:59,812 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 23:40:59,898 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-23 23:40:59,940 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 51 transitions, 118 flow [2024-11-23 23:40:59,979 INFO L124 PetriNetUnfolderBase]: 0/47 cut-off events. [2024-11-23 23:40:59,981 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 23:40:59,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60 conditions, 47 events. 0/47 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 128 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-23 23:40:59,984 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 51 transitions, 118 flow [2024-11-23 23:40:59,987 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 47 transitions, 106 flow [2024-11-23 23:40:59,997 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 23:41:00,012 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;@a86168f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 23:41:00,012 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-23 23:41:00,024 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 23:41:00,025 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-23 23:41:00,025 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 23:41:00,025 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:41:00,026 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:41:00,026 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-23 23:41:00,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:41:00,034 INFO L85 PathProgramCache]: Analyzing trace with hash 654262688, now seen corresponding path program 1 times [2024-11-23 23:41:00,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:41:00,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467371826] [2024-11-23 23:41:00,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:41:00,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:41:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:41:00,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:41:00,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:41:00,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467371826] [2024-11-23 23:41:00,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467371826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:41:00,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:41:00,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-23 23:41:00,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062570938] [2024-11-23 23:41:00,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:41:00,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 23:41:00,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:41:00,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 23:41:00,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 23:41:00,474 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 51 [2024-11-23 23:41:00,476 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 47 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-23 23:41:00,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:41:00,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 51 [2024-11-23 23:41:00,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:41:05,545 INFO L124 PetriNetUnfolderBase]: 23093/30919 cut-off events. [2024-11-23 23:41:05,546 INFO L125 PetriNetUnfolderBase]: For 196/196 co-relation queries the response was YES. [2024-11-23 23:41:05,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62181 conditions, 30919 events. 23093/30919 cut-off events. For 196/196 co-relation queries the response was YES. Maximal size of possible extension queue 1636. Compared 189371 event pairs, 9825 based on Foata normal form. 0/22307 useless extension candidates. Maximal degree in co-relation 62169. Up to 30293 conditions per place. [2024-11-23 23:41:05,841 INFO L140 encePairwiseOnDemand]: 38/51 looper letters, 49 selfloop transitions, 5 changer transitions 0/67 dead transitions. [2024-11-23 23:41:05,842 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 67 transitions, 263 flow [2024-11-23 23:41:05,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 23:41:05,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 23:41:05,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 113 transitions. [2024-11-23 23:41:05,859 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.738562091503268 [2024-11-23 23:41:05,861 INFO L175 Difference]: Start difference. First operand has 60 places, 47 transitions, 106 flow. Second operand 3 states and 113 transitions. [2024-11-23 23:41:05,862 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 67 transitions, 263 flow [2024-11-23 23:41:05,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 67 transitions, 256 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-23 23:41:05,877 INFO L231 Difference]: Finished difference. Result has 59 places, 51 transitions, 149 flow [2024-11-23 23:41:05,880 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=149, PETRI_PLACES=59, PETRI_TRANSITIONS=51} [2024-11-23 23:41:05,884 INFO L279 CegarLoopForPetriNet]: 60 programPoint places, -1 predicate places. [2024-11-23 23:41:05,885 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 51 transitions, 149 flow [2024-11-23 23:41:05,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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) [2024-11-23 23:41:05,886 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:41:05,886 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:41:05,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 23:41:05,887 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-23 23:41:05,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:41:05,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1119254502, now seen corresponding path program 1 times [2024-11-23 23:41:05,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:41:05,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064640364] [2024-11-23 23:41:05,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:41:05,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:41:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:41:06,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:41:06,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:41:06,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064640364] [2024-11-23 23:41:06,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064640364] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:41:06,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:41:06,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:41:06,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028392797] [2024-11-23 23:41:06,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:41:06,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:41:06,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:41:06,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:41:06,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:41:06,166 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 51 [2024-11-23 23:41:06,166 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 51 transitions, 149 flow. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2024-11-23 23:41:06,166 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:41:06,167 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 51 [2024-11-23 23:41:06,167 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:41:08,412 INFO L124 PetriNetUnfolderBase]: 12535/16937 cut-off events. [2024-11-23 23:41:08,413 INFO L125 PetriNetUnfolderBase]: For 1267/1267 co-relation queries the response was YES. [2024-11-23 23:41:08,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40212 conditions, 16937 events. 12535/16937 cut-off events. For 1267/1267 co-relation queries the response was YES. Maximal size of possible extension queue 960. Compared 100180 event pairs, 4513 based on Foata normal form. 0/13936 useless extension candidates. Maximal degree in co-relation 40201. Up to 16310 conditions per place. [2024-11-23 23:41:08,512 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 45 selfloop transitions, 5 changer transitions 0/63 dead transitions. [2024-11-23 23:41:08,512 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 63 transitions, 271 flow [2024-11-23 23:41:08,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:41:08,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-23 23:41:08,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 122 transitions. [2024-11-23 23:41:08,516 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5980392156862745 [2024-11-23 23:41:08,516 INFO L175 Difference]: Start difference. First operand has 59 places, 51 transitions, 149 flow. Second operand 4 states and 122 transitions. [2024-11-23 23:41:08,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 63 transitions, 271 flow [2024-11-23 23:41:08,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 63 transitions, 266 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 23:41:08,519 INFO L231 Difference]: Finished difference. Result has 57 places, 47 transitions, 138 flow [2024-11-23 23:41:08,519 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=138, PETRI_PLACES=57, PETRI_TRANSITIONS=47} [2024-11-23 23:41:08,520 INFO L279 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2024-11-23 23:41:08,520 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 47 transitions, 138 flow [2024-11-23 23:41:08,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2024-11-23 23:41:08,520 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:41:08,520 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:41:08,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 23:41:08,521 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-23 23:41:08,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:41:08,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1119254503, now seen corresponding path program 1 times [2024-11-23 23:41:08,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:41:08,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001916391] [2024-11-23 23:41:08,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:41:08,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:41:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:41:08,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:41:08,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:41:08,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001916391] [2024-11-23 23:41:08,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001916391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:41:08,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:41:08,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 23:41:08,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345158409] [2024-11-23 23:41:08,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:41:08,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 23:41:08,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:41:08,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 23:41:08,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 23:41:08,728 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 51 [2024-11-23 23:41:08,729 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 47 transitions, 138 flow. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2024-11-23 23:41:08,729 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:41:08,729 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 51 [2024-11-23 23:41:08,730 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:41:10,408 INFO L124 PetriNetUnfolderBase]: 8713/11947 cut-off events. [2024-11-23 23:41:10,408 INFO L125 PetriNetUnfolderBase]: For 1706/1706 co-relation queries the response was YES. [2024-11-23 23:41:10,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27741 conditions, 11947 events. 8713/11947 cut-off events. For 1706/1706 co-relation queries the response was YES. Maximal size of possible extension queue 618. Compared 68813 event pairs, 1553 based on Foata normal form. 0/10608 useless extension candidates. Maximal degree in co-relation 27729. Up to 9229 conditions per place. [2024-11-23 23:41:10,474 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 63 selfloop transitions, 9 changer transitions 0/85 dead transitions. [2024-11-23 23:41:10,474 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 85 transitions, 376 flow [2024-11-23 23:41:10,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 23:41:10,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-23 23:41:10,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 144 transitions. [2024-11-23 23:41:10,476 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7058823529411765 [2024-11-23 23:41:10,476 INFO L175 Difference]: Start difference. First operand has 57 places, 47 transitions, 138 flow. Second operand 4 states and 144 transitions. [2024-11-23 23:41:10,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 85 transitions, 376 flow [2024-11-23 23:41:10,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 85 transitions, 370 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 23:41:10,480 INFO L231 Difference]: Finished difference. Result has 59 places, 51 transitions, 190 flow [2024-11-23 23:41:10,480 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=190, PETRI_PLACES=59, PETRI_TRANSITIONS=51} [2024-11-23 23:41:10,481 INFO L279 CegarLoopForPetriNet]: 60 programPoint places, -1 predicate places. [2024-11-23 23:41:10,481 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 51 transitions, 190 flow [2024-11-23 23:41:10,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2024-11-23 23:41:10,481 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:41:10,482 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:41:10,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 23:41:10,482 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-23 23:41:10,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:41:10,483 INFO L85 PathProgramCache]: Analyzing trace with hash -395094681, now seen corresponding path program 1 times [2024-11-23 23:41:10,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:41:10,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618340511] [2024-11-23 23:41:10,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:41:10,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:41:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:41:10,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:41:10,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:41:10,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618340511] [2024-11-23 23:41:10,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618340511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:41:10,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:41:10,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 23:41:10,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279832089] [2024-11-23 23:41:10,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:41:10,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 23:41:10,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:41:10,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 23:41:10,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-23 23:41:10,778 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 51 [2024-11-23 23:41:10,778 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 51 transitions, 190 flow. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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) [2024-11-23 23:41:10,779 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:41:10,779 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 51 [2024-11-23 23:41:10,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:41:11,928 INFO L124 PetriNetUnfolderBase]: 6421/8839 cut-off events. [2024-11-23 23:41:11,928 INFO L125 PetriNetUnfolderBase]: For 4257/4257 co-relation queries the response was YES. [2024-11-23 23:41:11,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23186 conditions, 8839 events. 6421/8839 cut-off events. For 4257/4257 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 49658 event pairs, 489 based on Foata normal form. 0/8470 useless extension candidates. Maximal degree in co-relation 23173. Up to 3065 conditions per place. [2024-11-23 23:41:11,957 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 75 selfloop transitions, 13 changer transitions 4/105 dead transitions. [2024-11-23 23:41:11,957 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 105 transitions, 510 flow [2024-11-23 23:41:11,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 23:41:11,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-23 23:41:11,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 181 transitions. [2024-11-23 23:41:11,959 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7098039215686275 [2024-11-23 23:41:11,959 INFO L175 Difference]: Start difference. First operand has 59 places, 51 transitions, 190 flow. Second operand 5 states and 181 transitions. [2024-11-23 23:41:11,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 105 transitions, 510 flow [2024-11-23 23:41:11,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 105 transitions, 492 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-23 23:41:11,965 INFO L231 Difference]: Finished difference. Result has 62 places, 51 transitions, 214 flow [2024-11-23 23:41:11,966 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=214, PETRI_PLACES=62, PETRI_TRANSITIONS=51} [2024-11-23 23:41:11,967 INFO L279 CegarLoopForPetriNet]: 60 programPoint places, 2 predicate places. [2024-11-23 23:41:11,968 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 51 transitions, 214 flow [2024-11-23 23:41:11,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 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) [2024-11-23 23:41:11,968 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 23:41:11,968 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 23:41:11,968 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 23:41:11,968 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-23 23:41:11,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:41:11,970 INFO L85 PathProgramCache]: Analyzing trace with hash -934962430, now seen corresponding path program 1 times [2024-11-23 23:41:11,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 23:41:11,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697055830] [2024-11-23 23:41:11,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:41:11,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:41:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:41:12,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:41:12,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 23:41:12,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697055830] [2024-11-23 23:41:12,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697055830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 23:41:12,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 23:41:12,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-23 23:41:12,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920659020] [2024-11-23 23:41:12,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 23:41:12,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 23:41:12,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 23:41:12,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 23:41:12,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-23 23:41:12,242 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 51 [2024-11-23 23:41:12,242 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 51 transitions, 214 flow. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 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) [2024-11-23 23:41:12,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 23:41:12,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 51 [2024-11-23 23:41:12,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 23:41:13,334 INFO L124 PetriNetUnfolderBase]: 5605/7735 cut-off events. [2024-11-23 23:41:13,334 INFO L125 PetriNetUnfolderBase]: For 7457/7457 co-relation queries the response was YES. [2024-11-23 23:41:13,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21079 conditions, 7735 events. 5605/7735 cut-off events. For 7457/7457 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 44828 event pairs, 345 based on Foata normal form. 192/7750 useless extension candidates. Maximal degree in co-relation 21065. Up to 3056 conditions per place. [2024-11-23 23:41:13,346 INFO L140 encePairwiseOnDemand]: 42/51 looper letters, 0 selfloop transitions, 0 changer transitions 97/97 dead transitions. [2024-11-23 23:41:13,346 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 97 transitions, 462 flow [2024-11-23 23:41:13,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 23:41:13,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-23 23:41:13,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 190 transitions. [2024-11-23 23:41:13,347 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6209150326797386 [2024-11-23 23:41:13,347 INFO L175 Difference]: Start difference. First operand has 62 places, 51 transitions, 214 flow. Second operand 6 states and 190 transitions. [2024-11-23 23:41:13,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 97 transitions, 462 flow [2024-11-23 23:41:13,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 97 transitions, 407 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-23 23:41:13,418 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow [2024-11-23 23:41:13,418 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=127, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=57, PETRI_TRANSITIONS=0} [2024-11-23 23:41:13,419 INFO L279 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2024-11-23 23:41:13,419 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow [2024-11-23 23:41:13,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 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) [2024-11-23 23:41:13,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-23 23:41:13,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-23 23:41:13,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-23 23:41:13,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-23 23:41:13,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-23 23:41:13,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-23 23:41:13,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-23 23:41:13,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-23 23:41:13,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-23 23:41:13,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-23 23:41:13,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-23 23:41:13,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-23 23:41:13,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-23 23:41:13,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-23 23:41:13,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-23 23:41:13,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-23 23:41:13,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-23 23:41:13,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-23 23:41:13,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-23 23:41:13,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-23 23:41:13,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-23 23:41:13,424 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-23 23:41:13,429 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 23:41:13,429 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 23:41:13,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:41:13 BasicIcfg [2024-11-23 23:41:13,433 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 23:41:13,434 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:41:13,434 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:41:13,434 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:41:13,435 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:40:59" (3/4) ... [2024-11-23 23:41:13,436 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 23:41:13,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-23 23:41:13,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-23 23:41:13,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-23 23:41:13,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-23 23:41:13,443 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 97 nodes and edges [2024-11-23 23:41:13,444 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-23 23:41:13,444 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-23 23:41:13,444 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-23 23:41:13,517 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fed1077-6dc6-4ae9-893f-11edab601f2b/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 23:41:13,517 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fed1077-6dc6-4ae9-893f-11edab601f2b/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 23:41:13,518 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:41:13,518 INFO L158 Benchmark]: Toolchain (without parser) took 15502.74ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 91.2MB in the beginning and 1.0GB in the end (delta: -944.6MB). Peak memory consumption was 482.5MB. Max. memory is 16.1GB. [2024-11-23 23:41:13,519 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:41:13,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.71ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 67.1MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 23:41:13,519 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.62ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 64.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:41:13,519 INFO L158 Benchmark]: Boogie Preprocessor took 77.48ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 61.2MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:41:13,520 INFO L158 Benchmark]: RCFGBuilder took 1033.49ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 53.0MB in the end (delta: 8.0MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-23 23:41:13,520 INFO L158 Benchmark]: TraceAbstraction took 13648.64ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 52.5MB in the beginning and 1.0GB in the end (delta: -987.7MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2024-11-23 23:41:13,520 INFO L158 Benchmark]: Witness Printer took 83.64ms. Allocated memory is still 1.5GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:41:13,522 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 573.71ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 67.1MB in the end (delta: 23.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.62ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 64.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 77.48ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 61.2MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1033.49ms. Allocated memory is still 117.4MB. Free memory was 61.0MB in the beginning and 53.0MB in the end (delta: 8.0MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * TraceAbstraction took 13648.64ms. Allocated memory was 117.4MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 52.5MB in the beginning and 1.0GB in the end (delta: -987.7MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * Witness Printer took 83.64ms. Allocated memory is still 1.5GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 763]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 763]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 793]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 793]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 813]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 813]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 836]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 836]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 93 locations, 20 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 13.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 241 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 231 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 468 IncrementalHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 0 mSDtfsCounter, 468 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 240 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 23:41:13,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7fed1077-6dc6-4ae9-893f-11edab601f2b/bin/uautomizer-verify-LYvppIcaGC/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