./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.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_ff5240be-6cf3-45ee-ab52-03d9bf38aa32/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5240be-6cf3-45ee-ab52-03d9bf38aa32/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_ff5240be-6cf3-45ee-ab52-03d9bf38aa32/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5240be-6cf3-45ee-ab52-03d9bf38aa32/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5240be-6cf3-45ee-ab52-03d9bf38aa32/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_ff5240be-6cf3-45ee-ab52-03d9bf38aa32/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 87c512ff7772c648d2c2d28b30bf4d136366c31440eeddc6ab833b392d36d780 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 22:46:44,877 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 22:46:44,985 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5240be-6cf3-45ee-ab52-03d9bf38aa32/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-23 22:46:44,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 22:46:44,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 22:46:45,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 22:46:45,028 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 22:46:45,029 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 22:46:45,029 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 22:46:45,029 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 22:46:45,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 22:46:45,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 22:46:45,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 22:46:45,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 22:46:45,030 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 22:46:45,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 22:46:45,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 22:46:45,030 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 22:46:45,030 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 22:46:45,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 22:46:45,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 22:46:45,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 22:46:45,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 22:46:45,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 22:46:45,031 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 22:46:45,031 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 22:46:45,031 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 22:46:45,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 22:46:45,031 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 22:46:45,031 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 22:46:45,031 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 22:46:45,034 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:46:45,034 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:46:45,034 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:46:45,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:46:45,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 22:46:45,035 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 22:46:45,035 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 22:46:45,035 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 22:46:45,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:46:45,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 22:46:45,035 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 22:46:45,035 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 22:46:45,036 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 22:46:45,036 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 22:46:45,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 22:46:45,036 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 22:46:45,036 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 22:46:45,036 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 22:46:45,037 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 22:46:45,037 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_ff5240be-6cf3-45ee-ab52-03d9bf38aa32/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 -> 87c512ff7772c648d2c2d28b30bf4d136366c31440eeddc6ab833b392d36d780 [2024-11-23 22:46:45,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 22:46:45,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 22:46:45,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 22:46:45,388 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 22:46:45,389 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 22:46:45,391 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5240be-6cf3-45ee-ab52-03d9bf38aa32/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2024-11-23 22:46:48,403 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5240be-6cf3-45ee-ab52-03d9bf38aa32/bin/uautomizer-verify-LYvppIcaGC/data/2bf72de32/2f454250f9fe4521929595c06e2eca59/FLAG8f15038f3 [2024-11-23 22:46:48,706 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 22:46:48,707 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5240be-6cf3-45ee-ab52-03d9bf38aa32/sv-benchmarks/c/pthread-wmm/mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2024-11-23 22:46:48,721 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5240be-6cf3-45ee-ab52-03d9bf38aa32/bin/uautomizer-verify-LYvppIcaGC/data/2bf72de32/2f454250f9fe4521929595c06e2eca59/FLAG8f15038f3 [2024-11-23 22:46:48,736 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5240be-6cf3-45ee-ab52-03d9bf38aa32/bin/uautomizer-verify-LYvppIcaGC/data/2bf72de32/2f454250f9fe4521929595c06e2eca59 [2024-11-23 22:46:48,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 22:46:48,741 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 22:46:48,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 22:46:48,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 22:46:48,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 22:46:48,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:46:48" (1/1) ... [2024-11-23 22:46:48,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d65bfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:48, skipping insertion in model container [2024-11-23 22:46:48,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:46:48" (1/1) ... [2024-11-23 22:46:48,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 22:46:49,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:46:49,320 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 22:46:49,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 22:46:49,415 INFO L204 MainTranslator]: Completed translation [2024-11-23 22:46:49,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49 WrapperNode [2024-11-23 22:46:49,415 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 22:46:49,416 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 22:46:49,416 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 22:46:49,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 22:46:49,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ... [2024-11-23 22:46:49,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ... [2024-11-23 22:46:49,472 INFO L138 Inliner]: procedures = 175, calls = 49, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 130 [2024-11-23 22:46:49,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 22:46:49,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 22:46:49,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 22:46:49,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 22:46:49,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ... [2024-11-23 22:46:49,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ... [2024-11-23 22:46:49,492 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ... [2024-11-23 22:46:49,518 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 22:46:49,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ... [2024-11-23 22:46:49,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ... [2024-11-23 22:46:49,533 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ... [2024-11-23 22:46:49,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ... [2024-11-23 22:46:49,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ... [2024-11-23 22:46:49,542 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ... [2024-11-23 22:46:49,543 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ... [2024-11-23 22:46:49,548 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 22:46:49,549 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 22:46:49,549 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 22:46:49,549 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 22:46:49,550 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (1/1) ... [2024-11-23 22:46:49,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 22:46:49,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5240be-6cf3-45ee-ab52-03d9bf38aa32/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 22:46:49,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5240be-6cf3-45ee-ab52-03d9bf38aa32/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 22:46:49,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5240be-6cf3-45ee-ab52-03d9bf38aa32/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 22:46:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-23 22:46:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 22:46:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-23 22:46:49,615 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-23 22:46:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-23 22:46:49,615 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-23 22:46:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-23 22:46:49,615 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-23 22:46:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 22:46:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-23 22:46:49,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 22:46:49,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 22:46:49,618 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 22:46:49,755 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 22:46:49,757 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 22:46:50,162 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-23 22:46:50,162 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 22:46:50,478 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 22:46:50,479 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 22:46:50,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:46:50 BoogieIcfgContainer [2024-11-23 22:46:50,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 22:46:50,483 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 22:46:50,483 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 22:46:50,488 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 22:46:50,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:46:48" (1/3) ... [2024-11-23 22:46:50,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf10799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:46:50, skipping insertion in model container [2024-11-23 22:46:50,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:46:49" (2/3) ... [2024-11-23 22:46:50,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf10799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:46:50, skipping insertion in model container [2024-11-23 22:46:50,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:46:50" (3/3) ... [2024-11-23 22:46:50,492 INFO L128 eAbstractionObserver]: Analyzing ICFG mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2024-11-23 22:46:50,510 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 22:46:50,511 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix024_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i that has 4 procedures, 43 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2024-11-23 22:46:50,512 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-23 22:46:50,596 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-23 22:46:50,641 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 42 transitions, 96 flow [2024-11-23 22:46:50,687 INFO L124 PetriNetUnfolderBase]: 0/39 cut-off events. [2024-11-23 22:46:50,690 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:46:50,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 39 events. 0/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 101 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-23 22:46:50,693 INFO L82 GeneralOperation]: Start removeDead. Operand has 52 places, 42 transitions, 96 flow [2024-11-23 22:46:50,697 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 49 places, 39 transitions, 87 flow [2024-11-23 22:46:50,709 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 22:46:50,729 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;@554b6f9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 22:46:50,729 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-23 22:46:50,742 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-23 22:46:50,742 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-11-23 22:46:50,743 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-23 22:46:50,743 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:46:50,743 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:46:50,744 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 22:46:50,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:46:50,752 INFO L85 PathProgramCache]: Analyzing trace with hash -377968236, now seen corresponding path program 1 times [2024-11-23 22:46:50,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:46:50,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416986595] [2024-11-23 22:46:50,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:46:50,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:46:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:46:51,172 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 22:46:51,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:46:51,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416986595] [2024-11-23 22:46:51,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416986595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:46:51,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:46:51,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-23 22:46:51,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296410771] [2024-11-23 22:46:51,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:46:51,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 22:46:51,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:46:51,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 22:46:51,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 22:46:51,224 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 42 [2024-11-23 22:46:51,227 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 39 transitions, 87 flow. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 22:46:51,227 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:46:51,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 42 [2024-11-23 22:46:51,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:46:52,221 INFO L124 PetriNetUnfolderBase]: 2398/3580 cut-off events. [2024-11-23 22:46:52,222 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-23 22:46:52,235 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7178 conditions, 3580 events. 2398/3580 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 227. Compared 20656 event pairs, 838 based on Foata normal form. 0/2843 useless extension candidates. Maximal degree in co-relation 7167. Up to 3251 conditions per place. [2024-11-23 22:46:52,262 INFO L140 encePairwiseOnDemand]: 32/42 looper letters, 39 selfloop transitions, 4 changer transitions 0/55 dead transitions. [2024-11-23 22:46:52,263 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 55 transitions, 211 flow [2024-11-23 22:46:52,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 22:46:52,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-23 22:46:52,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2024-11-23 22:46:52,279 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.746031746031746 [2024-11-23 22:46:52,282 INFO L175 Difference]: Start difference. First operand has 49 places, 39 transitions, 87 flow. Second operand 3 states and 94 transitions. [2024-11-23 22:46:52,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 55 transitions, 211 flow [2024-11-23 22:46:52,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 55 transitions, 206 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-23 22:46:52,294 INFO L231 Difference]: Finished difference. Result has 49 places, 42 transitions, 120 flow [2024-11-23 22:46:52,297 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=120, PETRI_PLACES=49, PETRI_TRANSITIONS=42} [2024-11-23 22:46:52,303 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 0 predicate places. [2024-11-23 22:46:52,305 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 42 transitions, 120 flow [2024-11-23 22:46:52,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 22:46:52,305 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:46:52,305 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:46:52,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 22:46:52,307 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 22:46:52,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:46:52,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1887625584, now seen corresponding path program 1 times [2024-11-23 22:46:52,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:46:52,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414965360] [2024-11-23 22:46:52,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:46:52,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:46:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:46:52,669 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 22:46:52,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:46:52,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414965360] [2024-11-23 22:46:52,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414965360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:46:52,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:46:52,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:46:52,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652396167] [2024-11-23 22:46:52,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:46:52,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:46:52,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:46:52,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:46:52,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:46:52,679 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 42 [2024-11-23 22:46:52,680 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 42 transitions, 120 flow. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 22:46:52,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:46:52,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 42 [2024-11-23 22:46:52,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:46:53,305 INFO L124 PetriNetUnfolderBase]: 1703/2567 cut-off events. [2024-11-23 22:46:53,306 INFO L125 PetriNetUnfolderBase]: For 197/197 co-relation queries the response was YES. [2024-11-23 22:46:53,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5954 conditions, 2567 events. 1703/2567 cut-off events. For 197/197 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 14447 event pairs, 529 based on Foata normal form. 0/2240 useless extension candidates. Maximal degree in co-relation 5943. Up to 2237 conditions per place. [2024-11-23 22:46:53,327 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 36 selfloop transitions, 4 changer transitions 0/52 dead transitions. [2024-11-23 22:46:53,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 52 transitions, 218 flow [2024-11-23 22:46:53,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:46:53,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-23 22:46:53,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 103 transitions. [2024-11-23 22:46:53,331 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6130952380952381 [2024-11-23 22:46:53,331 INFO L175 Difference]: Start difference. First operand has 49 places, 42 transitions, 120 flow. Second operand 4 states and 103 transitions. [2024-11-23 22:46:53,331 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 52 transitions, 218 flow [2024-11-23 22:46:53,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 52 transitions, 214 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-23 22:46:53,334 INFO L231 Difference]: Finished difference. Result has 48 places, 39 transitions, 112 flow [2024-11-23 22:46:53,335 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=112, PETRI_PLACES=48, PETRI_TRANSITIONS=39} [2024-11-23 22:46:53,336 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -1 predicate places. [2024-11-23 22:46:53,336 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 39 transitions, 112 flow [2024-11-23 22:46:53,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 22:46:53,336 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:46:53,336 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:46:53,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 22:46:53,336 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 22:46:53,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:46:53,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1887625585, now seen corresponding path program 1 times [2024-11-23 22:46:53,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:46:53,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573994392] [2024-11-23 22:46:53,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:46:53,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:46:53,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:46:53,559 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 22:46:53,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:46:53,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573994392] [2024-11-23 22:46:53,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573994392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:46:53,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:46:53,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 22:46:53,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680842590] [2024-11-23 22:46:53,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:46:53,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-23 22:46:53,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:46:53,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-23 22:46:53,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-23 22:46:53,567 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 42 [2024-11-23 22:46:53,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 39 transitions, 112 flow. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 22:46:53,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:46:53,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 42 [2024-11-23 22:46:53,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:46:54,028 INFO L124 PetriNetUnfolderBase]: 1254/1920 cut-off events. [2024-11-23 22:46:54,028 INFO L125 PetriNetUnfolderBase]: For 397/397 co-relation queries the response was YES. [2024-11-23 22:46:54,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4365 conditions, 1920 events. 1254/1920 cut-off events. For 397/397 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 10496 event pairs, 216 based on Foata normal form. 0/1824 useless extension candidates. Maximal degree in co-relation 4353. Up to 893 conditions per place. [2024-11-23 22:46:54,041 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 47 selfloop transitions, 7 changer transitions 3/69 dead transitions. [2024-11-23 22:46:54,041 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 69 transitions, 298 flow [2024-11-23 22:46:54,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-23 22:46:54,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-23 22:46:54,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 120 transitions. [2024-11-23 22:46:54,043 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2024-11-23 22:46:54,043 INFO L175 Difference]: Start difference. First operand has 48 places, 39 transitions, 112 flow. Second operand 4 states and 120 transitions. [2024-11-23 22:46:54,043 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 69 transitions, 298 flow [2024-11-23 22:46:54,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 69 transitions, 293 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-23 22:46:54,045 INFO L231 Difference]: Finished difference. Result has 50 places, 39 transitions, 133 flow [2024-11-23 22:46:54,045 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=133, PETRI_PLACES=50, PETRI_TRANSITIONS=39} [2024-11-23 22:46:54,048 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, 1 predicate places. [2024-11-23 22:46:54,049 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 39 transitions, 133 flow [2024-11-23 22:46:54,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 22:46:54,049 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-23 22:46:54,049 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 22:46:54,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 22:46:54,050 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-23 22:46:54,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 22:46:54,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1911664265, now seen corresponding path program 1 times [2024-11-23 22:46:54,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 22:46:54,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337978840] [2024-11-23 22:46:54,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 22:46:54,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 22:46:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 22:46:54,383 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 22:46:54,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 22:46:54,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337978840] [2024-11-23 22:46:54,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337978840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 22:46:54,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 22:46:54,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-23 22:46:54,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429340600] [2024-11-23 22:46:54,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 22:46:54,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-23 22:46:54,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 22:46:54,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-23 22:46:54,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-23 22:46:54,394 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 42 [2024-11-23 22:46:54,394 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 39 transitions, 133 flow. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 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 22:46:54,395 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-23 22:46:54,395 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 42 [2024-11-23 22:46:54,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-23 22:46:54,805 INFO L124 PetriNetUnfolderBase]: 1034/1600 cut-off events. [2024-11-23 22:46:54,805 INFO L125 PetriNetUnfolderBase]: For 942/942 co-relation queries the response was YES. [2024-11-23 22:46:54,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4059 conditions, 1600 events. 1034/1600 cut-off events. For 942/942 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 9069 event pairs, 166 based on Foata normal form. 60/1624 useless extension candidates. Maximal degree in co-relation 4046. Up to 698 conditions per place. [2024-11-23 22:46:54,811 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 0 selfloop transitions, 0 changer transitions 63/63 dead transitions. [2024-11-23 22:46:54,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 63 transitions, 277 flow [2024-11-23 22:46:54,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-23 22:46:54,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-23 22:46:54,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 129 transitions. [2024-11-23 22:46:54,814 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6142857142857143 [2024-11-23 22:46:54,815 INFO L175 Difference]: Start difference. First operand has 50 places, 39 transitions, 133 flow. Second operand 5 states and 129 transitions. [2024-11-23 22:46:54,815 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 63 transitions, 277 flow [2024-11-23 22:46:54,817 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 63 transitions, 253 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-23 22:46:54,820 INFO L231 Difference]: Finished difference. Result has 47 places, 0 transitions, 0 flow [2024-11-23 22:46:54,820 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=47, PETRI_TRANSITIONS=0} [2024-11-23 22:46:54,821 INFO L279 CegarLoopForPetriNet]: 49 programPoint places, -2 predicate places. [2024-11-23 22:46:54,821 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 0 transitions, 0 flow [2024-11-23 22:46:54,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 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 22:46:54,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-23 22:46:54,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-23 22:46:54,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-23 22:46:54,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-23 22:46:54,828 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-23 22:46:54,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-23 22:46:54,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-23 22:46:54,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-23 22:46:54,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-23 22:46:54,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-23 22:46:54,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-23 22:46:54,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-23 22:46:54,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-23 22:46:54,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-23 22:46:54,829 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-23 22:46:54,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-23 22:46:54,830 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-23 22:46:54,837 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-23 22:46:54,837 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 22:46:54,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:46:54 BasicIcfg [2024-11-23 22:46:54,844 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 22:46:54,845 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 22:46:54,845 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 22:46:54,846 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 22:46:54,847 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:46:50" (3/4) ... [2024-11-23 22:46:54,848 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 22:46:54,851 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-23 22:46:54,851 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-23 22:46:54,851 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-23 22:46:54,856 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges [2024-11-23 22:46:54,856 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-23 22:46:54,856 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-23 22:46:54,857 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-23 22:46:54,939 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5240be-6cf3-45ee-ab52-03d9bf38aa32/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 22:46:54,939 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5240be-6cf3-45ee-ab52-03d9bf38aa32/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 22:46:54,939 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 22:46:54,941 INFO L158 Benchmark]: Toolchain (without parser) took 6199.71ms. Allocated memory was 142.6MB in the beginning and 209.7MB in the end (delta: 67.1MB). Free memory was 115.3MB in the beginning and 141.6MB in the end (delta: -26.3MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-11-23 22:46:54,942 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:46:54,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 673.12ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 92.0MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 22:46:54,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.62ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 89.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:46:54,944 INFO L158 Benchmark]: Boogie Preprocessor took 75.14ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 86.5MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 22:46:54,944 INFO L158 Benchmark]: RCFGBuilder took 930.99ms. Allocated memory is still 142.6MB. Free memory was 86.5MB in the beginning and 102.0MB in the end (delta: -15.6MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-11-23 22:46:54,944 INFO L158 Benchmark]: TraceAbstraction took 4361.22ms. Allocated memory was 142.6MB in the beginning and 209.7MB in the end (delta: 67.1MB). Free memory was 101.3MB in the beginning and 146.3MB in the end (delta: -45.0MB). Peak memory consumption was 117.3MB. Max. memory is 16.1GB. [2024-11-23 22:46:54,944 INFO L158 Benchmark]: Witness Printer took 94.24ms. Allocated memory is still 209.7MB. Free memory was 146.3MB in the beginning and 141.6MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 22:46:54,949 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 673.12ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 92.0MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.62ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 89.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 75.14ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 86.5MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 930.99ms. Allocated memory is still 142.6MB. Free memory was 86.5MB in the beginning and 102.0MB in the end (delta: -15.6MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4361.22ms. Allocated memory was 142.6MB in the beginning and 209.7MB in the end (delta: 67.1MB). Free memory was 101.3MB in the beginning and 146.3MB in the end (delta: -45.0MB). Peak memory consumption was 117.3MB. Max. memory is 16.1GB. * Witness Printer took 94.24ms. Allocated memory is still 209.7MB. Free memory was 146.3MB in the beginning and 141.6MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 76 locations, 15 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: 4.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 273 IncrementalHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 1 mSDtfsCounter, 273 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 183 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 22:46:54,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff5240be-6cf3-45ee-ab52-03d9bf38aa32/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