./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for 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_4f302277-7abd-4d73-809a-bf73ebd9a305/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f302277-7abd-4d73-809a-bf73ebd9a305/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_4f302277-7abd-4d73-809a-bf73ebd9a305/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f302277-7abd-4d73-809a-bf73ebd9a305/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f302277-7abd-4d73-809a-bf73ebd9a305/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_4f302277-7abd-4d73-809a-bf73ebd9a305/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 3a8f8518887bc2e5e0d6d71e32a92b54f9a899d1e11c58bdb579bc81d5f31bb3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:27:46,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:27:46,205 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f302277-7abd-4d73-809a-bf73ebd9a305/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 13:27:46,210 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:27:46,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:27:46,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:27:46,237 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:27:46,237 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:27:46,238 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:27:46,238 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:27:46,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:27:46,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:27:46,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:27:46,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:27:46,239 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:27:46,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:27:46,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:27:46,239 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:27:46,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:27:46,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:27:46,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:27:46,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:27:46,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:27:46,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:27:46,240 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:27:46,241 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:27:46,241 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:27:46,241 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:27:46,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:27:46,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:27:46,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:27:46,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:27:46,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:27:46,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:27:46,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:27:46,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:27:46,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:27:46,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:27:46,243 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:27:46,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:27:46,243 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:27:46,243 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:27:46,243 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:27:46,243 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:27:46,243 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_4f302277-7abd-4d73-809a-bf73ebd9a305/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 -> 3a8f8518887bc2e5e0d6d71e32a92b54f9a899d1e11c58bdb579bc81d5f31bb3 [2024-11-13 13:27:46,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:27:46,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:27:46,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:27:46,620 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:27:46,620 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:27:46,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f302277-7abd-4d73-809a-bf73ebd9a305/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i Unable to find full path for "g++" [2024-11-13 13:27:48,651 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:27:49,031 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:27:49,031 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f302277-7abd-4d73-809a-bf73ebd9a305/sv-benchmarks/c/pthread-wmm/mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2024-11-13 13:27:49,046 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f302277-7abd-4d73-809a-bf73ebd9a305/bin/uautomizer-verify-qhAvR1uOyd/data/c6d9b8da1/bf8ad15f657c412bbd0c17891d87724a/FLAGe4ab6a997 [2024-11-13 13:27:49,061 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f302277-7abd-4d73-809a-bf73ebd9a305/bin/uautomizer-verify-qhAvR1uOyd/data/c6d9b8da1/bf8ad15f657c412bbd0c17891d87724a [2024-11-13 13:27:49,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:27:49,066 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:27:49,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:27:49,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:27:49,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:27:49,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:27:49" (1/1) ... [2024-11-13 13:27:49,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350d8a83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:49, skipping insertion in model container [2024-11-13 13:27:49,074 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:27:49" (1/1) ... [2024-11-13 13:27:49,128 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:27:49,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:27:49,618 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:27:49,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:27:49,731 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:27:49,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:49 WrapperNode [2024-11-13 13:27:49,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:27:49,733 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:27:49,733 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:27:49,733 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:27:49,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:49" (1/1) ... [2024-11-13 13:27:49,751 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:49" (1/1) ... [2024-11-13 13:27:49,777 INFO L138 Inliner]: procedures = 174, calls = 38, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 112 [2024-11-13 13:27:49,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:27:49,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:27:49,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:27:49,778 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:27:49,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:49" (1/1) ... [2024-11-13 13:27:49,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:49" (1/1) ... [2024-11-13 13:27:49,792 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:49" (1/1) ... [2024-11-13 13:27:49,809 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]. [2024-11-13 13:27:49,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:49" (1/1) ... [2024-11-13 13:27:49,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:49" (1/1) ... [2024-11-13 13:27:49,817 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:49" (1/1) ... [2024-11-13 13:27:49,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:49" (1/1) ... [2024-11-13 13:27:49,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:49" (1/1) ... [2024-11-13 13:27:49,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:49" (1/1) ... [2024-11-13 13:27:49,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:27:49,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:27:49,826 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:27:49,826 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:27:49,827 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:49" (1/1) ... [2024-11-13 13:27:49,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:27:49,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f302277-7abd-4d73-809a-bf73ebd9a305/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:27:49,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f302277-7abd-4d73-809a-bf73ebd9a305/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:27:49,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f302277-7abd-4d73-809a-bf73ebd9a305/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:27:49,913 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 13:27:49,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:27:49,914 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-13 13:27:49,914 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-13 13:27:49,914 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-13 13:27:49,914 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-13 13:27:49,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:27:49,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 13:27:49,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:27:49,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:27:49,916 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 13:27:50,124 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:27:50,127 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:27:50,535 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 13:27:50,535 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:27:50,902 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:27:50,903 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:27:50,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:27:50 BoogieIcfgContainer [2024-11-13 13:27:50,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:27:50,905 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:27:50,907 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:27:50,913 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:27:50,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:27:49" (1/3) ... [2024-11-13 13:27:50,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77accccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:27:50, skipping insertion in model container [2024-11-13 13:27:50,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:27:49" (2/3) ... [2024-11-13 13:27:50,914 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77accccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:27:50, skipping insertion in model container [2024-11-13 13:27:50,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:27:50" (3/3) ... [2024-11-13 13:27:50,915 INFO L112 eAbstractionObserver]: Analyzing ICFG mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i [2024-11-13 13:27:50,932 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:27:50,934 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG mix034_power.oepc_power.opt_pso.oepc_rmo.oepc_rmo.opt_tso.oepc.i that has 3 procedures, 31 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2024-11-13 13:27:50,934 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 13:27:51,015 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 13:27:51,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 37 places, 30 transitions, 68 flow [2024-11-13 13:27:51,104 INFO L124 PetriNetUnfolderBase]: 0/28 cut-off events. [2024-11-13 13:27:51,106 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:27:51,109 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35 conditions, 28 events. 0/28 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 45 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-13 13:27:51,109 INFO L82 GeneralOperation]: Start removeDead. Operand has 37 places, 30 transitions, 68 flow [2024-11-13 13:27:51,114 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 62 flow [2024-11-13 13:27:51,128 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:27:51,146 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;@29eebd1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:27:51,146 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-13 13:27:51,159 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:27:51,160 INFO L124 PetriNetUnfolderBase]: 0/14 cut-off events. [2024-11-13 13:27:51,160 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:27:51,161 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:27:51,162 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:27:51,162 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2024-11-13 13:27:51,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:51,167 INFO L85 PathProgramCache]: Analyzing trace with hash -527320326, now seen corresponding path program 1 times [2024-11-13 13:27:51,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:51,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409912351] [2024-11-13 13:27:51,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:51,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:51,621 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 13:27:51,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:51,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409912351] [2024-11-13 13:27:51,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409912351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:51,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:51,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 13:27:51,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827341081] [2024-11-13 13:27:51,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:51,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:27:51,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:51,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:27:51,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:27:51,666 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 30 [2024-11-13 13:27:51,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 62 flow. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 13:27:51,668 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:27:51,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 30 [2024-11-13 13:27:51,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:27:51,988 INFO L124 PetriNetUnfolderBase]: 236/438 cut-off events. [2024-11-13 13:27:51,988 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-13 13:27:51,993 INFO L83 FinitePrefix]: Finished finitePrefix Result has 866 conditions, 438 events. 236/438 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2049 event pairs, 86 based on Foata normal form. 0/388 useless extension candidates. Maximal degree in co-relation 856. Up to 305 conditions per place. [2024-11-13 13:27:51,998 INFO L140 encePairwiseOnDemand]: 23/30 looper letters, 27 selfloop transitions, 3 changer transitions 2/40 dead transitions. [2024-11-13 13:27:51,999 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 40 transitions, 153 flow [2024-11-13 13:27:52,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:27:52,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:27:52,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 66 transitions. [2024-11-13 13:27:52,013 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2024-11-13 13:27:52,015 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 62 flow. Second operand 3 states and 66 transitions. [2024-11-13 13:27:52,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 40 transitions, 153 flow [2024-11-13 13:27:52,020 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 40 transitions, 150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:27:52,025 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 77 flow [2024-11-13 13:27:52,028 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=77, PETRI_PLACES=36, PETRI_TRANSITIONS=28} [2024-11-13 13:27:52,033 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 1 predicate places. [2024-11-13 13:27:52,034 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 77 flow [2024-11-13 13:27:52,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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 13:27:52,034 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:27:52,035 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:27:52,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:27:52,036 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2024-11-13 13:27:52,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:52,037 INFO L85 PathProgramCache]: Analyzing trace with hash 557196205, now seen corresponding path program 1 times [2024-11-13 13:27:52,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:52,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207316261] [2024-11-13 13:27:52,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:52,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:52,415 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 13:27:52,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:52,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207316261] [2024-11-13 13:27:52,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207316261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:52,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:52,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:27:52,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873272157] [2024-11-13 13:27:52,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:52,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:27:52,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:52,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:27:52,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:27:52,429 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 30 [2024-11-13 13:27:52,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 28 transitions, 77 flow. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 13:27:52,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:27:52,430 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 30 [2024-11-13 13:27:52,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:27:52,693 INFO L124 PetriNetUnfolderBase]: 174/336 cut-off events. [2024-11-13 13:27:52,693 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-11-13 13:27:52,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 747 conditions, 336 events. 174/336 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1551 event pairs, 66 based on Foata normal form. 0/326 useless extension candidates. Maximal degree in co-relation 736. Up to 202 conditions per place. [2024-11-13 13:27:52,721 INFO L140 encePairwiseOnDemand]: 25/30 looper letters, 25 selfloop transitions, 3 changer transitions 0/36 dead transitions. [2024-11-13 13:27:52,722 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 36 transitions, 147 flow [2024-11-13 13:27:52,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:27:52,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-13 13:27:52,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 70 transitions. [2024-11-13 13:27:52,724 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2024-11-13 13:27:52,724 INFO L175 Difference]: Start difference. First operand has 36 places, 28 transitions, 77 flow. Second operand 4 states and 70 transitions. [2024-11-13 13:27:52,725 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 36 transitions, 147 flow [2024-11-13 13:27:52,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 36 transitions, 144 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:27:52,726 INFO L231 Difference]: Finished difference. Result has 36 places, 26 transitions, 72 flow [2024-11-13 13:27:52,726 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=72, PETRI_PLACES=36, PETRI_TRANSITIONS=26} [2024-11-13 13:27:52,727 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 1 predicate places. [2024-11-13 13:27:52,728 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 26 transitions, 72 flow [2024-11-13 13:27:52,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 13:27:52,729 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:27:52,729 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:27:52,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:27:52,729 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2024-11-13 13:27:52,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:27:52,731 INFO L85 PathProgramCache]: Analyzing trace with hash 557196206, now seen corresponding path program 1 times [2024-11-13 13:27:52,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:27:52,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486501341] [2024-11-13 13:27:52,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:27:52,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:27:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:27:52,995 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 13:27:52,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:27:52,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486501341] [2024-11-13 13:27:52,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486501341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:27:52,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:27:52,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:27:52,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403101542] [2024-11-13 13:27:52,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:27:52,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:27:52,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:27:52,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:27:52,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:27:53,002 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 30 [2024-11-13 13:27:53,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 26 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 13:27:53,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:27:53,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 30 [2024-11-13 13:27:53,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:27:53,182 INFO L124 PetriNetUnfolderBase]: 148/290 cut-off events. [2024-11-13 13:27:53,182 INFO L125 PetriNetUnfolderBase]: For 74/74 co-relation queries the response was YES. [2024-11-13 13:27:53,186 INFO L83 FinitePrefix]: Finished finitePrefix Result has 636 conditions, 290 events. 148/290 cut-off events. For 74/74 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1347 event pairs, 56 based on Foata normal form. 20/300 useless extension candidates. Maximal degree in co-relation 624. Up to 156 conditions per place. [2024-11-13 13:27:53,187 INFO L140 encePairwiseOnDemand]: 25/30 looper letters, 0 selfloop transitions, 0 changer transitions 34/34 dead transitions. [2024-11-13 13:27:53,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 34 transitions, 138 flow [2024-11-13 13:27:53,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:27:53,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-13 13:27:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 68 transitions. [2024-11-13 13:27:53,190 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5666666666666667 [2024-11-13 13:27:53,191 INFO L175 Difference]: Start difference. First operand has 36 places, 26 transitions, 72 flow. Second operand 4 states and 68 transitions. [2024-11-13 13:27:53,191 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 34 transitions, 138 flow [2024-11-13 13:27:53,192 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 34 transitions, 131 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-13 13:27:53,193 INFO L231 Difference]: Finished difference. Result has 34 places, 0 transitions, 0 flow [2024-11-13 13:27:53,194 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=30, PETRI_DIFFERENCE_MINUEND_FLOW=57, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=34, PETRI_TRANSITIONS=0} [2024-11-13 13:27:53,195 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, -1 predicate places. [2024-11-13 13:27:53,195 INFO L471 AbstractCegarLoop]: Abstraction has has 34 places, 0 transitions, 0 flow [2024-11-13 13:27:53,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 13:27:53,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-11-13 13:27:53,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-11-13 13:27:53,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-11-13 13:27:53,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-11-13 13:27:53,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2024-11-13 13:27:53,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2024-11-13 13:27:53,200 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-11-13 13:27:53,200 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-11-13 13:27:53,200 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-11-13 13:27:53,200 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-11-13 13:27:53,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:27:53,201 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 13:27:53,207 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 13:27:53,207 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:27:53,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:27:53 BasicIcfg [2024-11-13 13:27:53,215 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:27:53,216 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:27:53,216 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:27:53,217 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:27:53,217 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:27:50" (3/4) ... [2024-11-13 13:27:53,220 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 13:27:53,223 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-13 13:27:53,223 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-13 13:27:53,229 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges [2024-11-13 13:27:53,230 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-13 13:27:53,230 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 13:27:53,230 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 13:27:53,319 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f302277-7abd-4d73-809a-bf73ebd9a305/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:27:53,319 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f302277-7abd-4d73-809a-bf73ebd9a305/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 13:27:53,319 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:27:53,320 INFO L158 Benchmark]: Toolchain (without parser) took 4254.41ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 117.8MB in the beginning and 336.3MB in the end (delta: -218.5MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2024-11-13 13:27:53,320 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:27:53,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 665.29ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 94.8MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 13:27:53,321 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.66ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 92.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:27:53,321 INFO L158 Benchmark]: Boogie Preprocessor took 47.18ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 89.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:27:53,322 INFO L158 Benchmark]: RCFGBuilder took 1077.29ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 112.2MB in the end (delta: -22.3MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2024-11-13 13:27:53,322 INFO L158 Benchmark]: TraceAbstraction took 2310.65ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 111.5MB in the beginning and 341.1MB in the end (delta: -229.7MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2024-11-13 13:27:53,322 INFO L158 Benchmark]: Witness Printer took 102.70ms. Allocated memory is still 427.8MB. Free memory was 341.1MB in the beginning and 336.3MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:27:53,324 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 167.8MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 665.29ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 94.8MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.66ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 92.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.18ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 89.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1077.29ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 112.2MB in the end (delta: -22.3MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2310.65ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 111.5MB in the beginning and 341.1MB in the end (delta: -229.7MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. * Witness Printer took 102.70ms. Allocated memory is still 427.8MB. Free memory was 341.1MB in the beginning and 336.3MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. 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: 802]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 802]: 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 5 procedures, 53 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 134 IncrementalHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 0 mSDtfsCounter, 134 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=1, InterpolantAutomatonStates: 11, 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, 0.7s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 108 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 13:27:53,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f302277-7abd-4d73-809a-bf73ebd9a305/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE