./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe003_power.oepc_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dec1de2-ae76-4e12-9ac9-c18af0c2813c/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dec1de2-ae76-4e12-9ac9-c18af0c2813c/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dec1de2-ae76-4e12-9ac9-c18af0c2813c/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dec1de2-ae76-4e12-9ac9-c18af0c2813c/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe003_power.oepc_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dec1de2-ae76-4e12-9ac9-c18af0c2813c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dec1de2-ae76-4e12-9ac9-c18af0c2813c/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5e0f2637c3745e36a3708f37a9783771b3e1c15cb350f0e936eafd42058bd9cf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:19:44,298 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:19:44,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dec1de2-ae76-4e12-9ac9-c18af0c2813c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-12-02 13:19:44,359 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:19:44,359 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:19:44,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:19:44,380 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:19:44,380 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:19:44,380 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:19:44,380 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:19:44,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:19:44,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:19:44,381 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:19:44,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:19:44,381 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:19:44,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:19:44,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:19:44,381 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:19:44,381 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:19:44,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:19:44,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:19:44,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:19:44,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:19:44,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:19:44,382 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 13:19:44,382 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 13:19:44,382 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:19:44,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:19:44,382 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:19:44,383 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:19:44,383 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:19:44,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:19:44,383 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:19:44,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:19:44,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:19:44,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:19:44,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:19:44,383 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:19:44,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:19:44,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:19:44,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:19:44,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:19:44,384 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:19:44,384 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:19:44,384 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:19:44,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:19:44,384 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:19:44,384 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:19:44,385 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:19:44,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:19:44,385 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_6dec1de2-ae76-4e12-9ac9-c18af0c2813c/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e0f2637c3745e36a3708f37a9783771b3e1c15cb350f0e936eafd42058bd9cf [2024-12-02 13:19:44,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:19:44,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:19:44,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:19:44,615 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:19:44,615 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:19:44,616 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dec1de2-ae76-4e12-9ac9-c18af0c2813c/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread-wmm/safe003_power.oepc_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-12-02 13:19:47,185 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dec1de2-ae76-4e12-9ac9-c18af0c2813c/bin/uautomizer-verify-84ZbGMXZE1/data/15a806ce0/a460d53b78394718a788bba9ddec5a62/FLAGb08575ace [2024-12-02 13:19:47,462 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:19:47,463 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dec1de2-ae76-4e12-9ac9-c18af0c2813c/sv-benchmarks/c/pthread-wmm/safe003_power.oepc_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-12-02 13:19:47,479 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dec1de2-ae76-4e12-9ac9-c18af0c2813c/bin/uautomizer-verify-84ZbGMXZE1/data/15a806ce0/a460d53b78394718a788bba9ddec5a62/FLAGb08575ace [2024-12-02 13:19:47,775 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dec1de2-ae76-4e12-9ac9-c18af0c2813c/bin/uautomizer-verify-84ZbGMXZE1/data/15a806ce0/a460d53b78394718a788bba9ddec5a62 [2024-12-02 13:19:47,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:19:47,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:19:47,780 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:19:47,780 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:19:47,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:19:47,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:19:47" (1/1) ... [2024-12-02 13:19:47,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47933fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:47, skipping insertion in model container [2024-12-02 13:19:47,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:19:47" (1/1) ... [2024-12-02 13:19:47,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:19:48,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:19:48,129 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:19:48,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:19:48,224 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:19:48,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:48 WrapperNode [2024-12-02 13:19:48,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:19:48,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:19:48,225 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:19:48,225 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:19:48,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:48" (1/1) ... [2024-12-02 13:19:48,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:48" (1/1) ... [2024-12-02 13:19:48,258 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 140 [2024-12-02 13:19:48,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:19:48,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:19:48,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:19:48,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:19:48,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:48" (1/1) ... [2024-12-02 13:19:48,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:48" (1/1) ... [2024-12-02 13:19:48,268 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:48" (1/1) ... [2024-12-02 13:19:48,282 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 13:19:48,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:48" (1/1) ... [2024-12-02 13:19:48,282 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:48" (1/1) ... [2024-12-02 13:19:48,291 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:48" (1/1) ... [2024-12-02 13:19:48,292 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:48" (1/1) ... [2024-12-02 13:19:48,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:48" (1/1) ... [2024-12-02 13:19:48,296 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:48" (1/1) ... [2024-12-02 13:19:48,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:48" (1/1) ... [2024-12-02 13:19:48,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:19:48,302 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:19:48,302 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:19:48,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:19:48,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:48" (1/1) ... [2024-12-02 13:19:48,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:19:48,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dec1de2-ae76-4e12-9ac9-c18af0c2813c/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:19:48,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dec1de2-ae76-4e12-9ac9-c18af0c2813c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:19:48,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dec1de2-ae76-4e12-9ac9-c18af0c2813c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:19:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-02 13:19:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:19:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-12-02 13:19:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-12-02 13:19:48,354 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-12-02 13:19:48,354 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-12-02 13:19:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-12-02 13:19:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-12-02 13:19:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:19:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-02 13:19:48,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:19:48,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:19:48,357 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-02 13:19:48,460 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:19:48,461 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:19:48,789 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-02 13:19:48,789 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:19:49,054 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:19:49,055 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 13:19:49,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:19:49 BoogieIcfgContainer [2024-12-02 13:19:49,055 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:19:49,057 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:19:49,057 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:19:49,061 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:19:49,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:19:47" (1/3) ... [2024-12-02 13:19:49,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8d5e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:19:49, skipping insertion in model container [2024-12-02 13:19:49,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:19:48" (2/3) ... [2024-12-02 13:19:49,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8d5e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:19:49, skipping insertion in model container [2024-12-02 13:19:49,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:19:49" (3/3) ... [2024-12-02 13:19:49,064 INFO L128 eAbstractionObserver]: Analyzing ICFG safe003_power.oepc_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-12-02 13:19:49,079 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:19:49,080 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe003_power.oepc_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i that has 4 procedures, 40 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2024-12-02 13:19:49,080 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-02 13:19:49,144 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-12-02 13:19:49,176 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 39 transitions, 90 flow [2024-12-02 13:19:49,207 INFO L124 PetriNetUnfolderBase]: 0/36 cut-off events. [2024-12-02 13:19:49,209 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 13:19:49,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 36 events. 0/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 90 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-12-02 13:19:49,211 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 39 transitions, 90 flow [2024-12-02 13:19:49,214 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 36 transitions, 81 flow [2024-12-02 13:19:49,221 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:19:49,233 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;@b24a1bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:19:49,233 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-12-02 13:19:49,240 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-12-02 13:19:49,240 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-12-02 13:19:49,240 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-12-02 13:19:49,240 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:19:49,241 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:19:49,241 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-12-02 13:19:49,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:19:49,246 INFO L85 PathProgramCache]: Analyzing trace with hash 893447949, now seen corresponding path program 1 times [2024-12-02 13:19:49,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:19:49,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688218625] [2024-12-02 13:19:49,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:19:49,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:19:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:19:49,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:19:49,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:19:49,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688218625] [2024-12-02 13:19:49,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688218625] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:19:49,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:19:49,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 13:19:49,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327687954] [2024-12-02 13:19:49,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:19:49,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 13:19:49,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:19:49,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:19:49,564 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:19:49,570 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 39 [2024-12-02 13:19:49,572 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 81 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) [2024-12-02 13:19:49,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:19:49,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 39 [2024-12-02 13:19:49,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:19:50,586 INFO L124 PetriNetUnfolderBase]: 3299/4835 cut-off events. [2024-12-02 13:19:50,586 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-12-02 13:19:50,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9714 conditions, 4835 events. 3299/4835 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 27070 event pairs, 1111 based on Foata normal form. 0/3939 useless extension candidates. Maximal degree in co-relation 9703. Up to 4373 conditions per place. [2024-12-02 13:19:50,621 INFO L140 encePairwiseOnDemand]: 29/39 looper letters, 43 selfloop transitions, 4 changer transitions 0/54 dead transitions. [2024-12-02 13:19:50,621 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 54 transitions, 217 flow [2024-12-02 13:19:50,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:19:50,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-12-02 13:19:50,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 83 transitions. [2024-12-02 13:19:50,634 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7094017094017094 [2024-12-02 13:19:50,635 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 81 flow. Second operand 3 states and 83 transitions. [2024-12-02 13:19:50,636 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 54 transitions, 217 flow [2024-12-02 13:19:50,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 54 transitions, 212 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-12-02 13:19:50,644 INFO L231 Difference]: Finished difference. Result has 46 places, 39 transitions, 114 flow [2024-12-02 13:19:50,646 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=46, PETRI_TRANSITIONS=39} [2024-12-02 13:19:50,650 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 0 predicate places. [2024-12-02 13:19:50,650 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 114 flow [2024-12-02 13:19:50,650 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) [2024-12-02 13:19:50,650 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:19:50,650 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:19:50,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 13:19:50,651 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-12-02 13:19:50,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:19:50,652 INFO L85 PathProgramCache]: Analyzing trace with hash -44651972, now seen corresponding path program 1 times [2024-12-02 13:19:50,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:19:50,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905005059] [2024-12-02 13:19:50,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:19:50,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:19:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:19:50,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:19:50,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:19:50,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905005059] [2024-12-02 13:19:50,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905005059] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:19:50,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:19:50,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:19:50,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013179182] [2024-12-02 13:19:50,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:19:50,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:19:50,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:19:50,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:19:50,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:19:50,827 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 39 [2024-12-02 13:19:50,827 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 114 flow. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:19:50,827 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:19:50,827 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 39 [2024-12-02 13:19:50,828 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:19:51,524 INFO L124 PetriNetUnfolderBase]: 2591/3867 cut-off events. [2024-12-02 13:19:51,525 INFO L125 PetriNetUnfolderBase]: For 288/288 co-relation queries the response was YES. [2024-12-02 13:19:51,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8914 conditions, 3867 events. 2591/3867 cut-off events. For 288/288 co-relation queries the response was YES. Maximal size of possible extension queue 208. Compared 21624 event pairs, 533 based on Foata normal form. 0/3411 useless extension candidates. Maximal degree in co-relation 8903. Up to 2032 conditions per place. [2024-12-02 13:19:51,545 INFO L140 encePairwiseOnDemand]: 29/39 looper letters, 56 selfloop transitions, 10 changer transitions 3/76 dead transitions. [2024-12-02 13:19:51,545 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 76 transitions, 344 flow [2024-12-02 13:19:51,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:19:51,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 13:19:51,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 112 transitions. [2024-12-02 13:19:51,547 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.717948717948718 [2024-12-02 13:19:51,547 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 114 flow. Second operand 4 states and 112 transitions. [2024-12-02 13:19:51,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 76 transitions, 344 flow [2024-12-02 13:19:51,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 76 transitions, 340 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-12-02 13:19:51,549 INFO L231 Difference]: Finished difference. Result has 50 places, 42 transitions, 170 flow [2024-12-02 13:19:51,549 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=170, PETRI_PLACES=50, PETRI_TRANSITIONS=42} [2024-12-02 13:19:51,550 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 4 predicate places. [2024-12-02 13:19:51,550 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 42 transitions, 170 flow [2024-12-02 13:19:51,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:19:51,550 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:19:51,550 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:19:51,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:19:51,551 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-12-02 13:19:51,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:19:51,551 INFO L85 PathProgramCache]: Analyzing trace with hash -44651973, now seen corresponding path program 1 times [2024-12-02 13:19:51,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:19:51,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985605468] [2024-12-02 13:19:51,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:19:51,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:19:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:19:51,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:19:51,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:19:51,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985605468] [2024-12-02 13:19:51,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985605468] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:19:51,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:19:51,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:19:51,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812674435] [2024-12-02 13:19:51,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:19:51,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 13:19:51,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:19:51,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 13:19:51,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 13:19:51,673 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 39 [2024-12-02 13:19:51,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 170 flow. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:19:51,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:19:51,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 39 [2024-12-02 13:19:51,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:19:52,174 INFO L124 PetriNetUnfolderBase]: 1663/2487 cut-off events. [2024-12-02 13:19:52,174 INFO L125 PetriNetUnfolderBase]: For 2480/2480 co-relation queries the response was YES. [2024-12-02 13:19:52,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6157 conditions, 2487 events. 1663/2487 cut-off events. For 2480/2480 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 13679 event pairs, 455 based on Foata normal form. 296/2767 useless extension candidates. Maximal degree in co-relation 6143. Up to 2024 conditions per place. [2024-12-02 13:19:52,187 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 40 selfloop transitions, 4 changer transitions 0/51 dead transitions. [2024-12-02 13:19:52,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 51 transitions, 250 flow [2024-12-02 13:19:52,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 13:19:52,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-12-02 13:19:52,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 87 transitions. [2024-12-02 13:19:52,189 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5576923076923077 [2024-12-02 13:19:52,189 INFO L175 Difference]: Start difference. First operand has 50 places, 42 transitions, 170 flow. Second operand 4 states and 87 transitions. [2024-12-02 13:19:52,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 51 transitions, 250 flow [2024-12-02 13:19:52,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 51 transitions, 232 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-12-02 13:19:52,209 INFO L231 Difference]: Finished difference. Result has 47 places, 36 transitions, 118 flow [2024-12-02 13:19:52,209 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=118, PETRI_PLACES=47, PETRI_TRANSITIONS=36} [2024-12-02 13:19:52,210 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 1 predicate places. [2024-12-02 13:19:52,210 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 36 transitions, 118 flow [2024-12-02 13:19:52,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:19:52,210 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-12-02 13:19:52,210 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:19:52,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:19:52,210 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-12-02 13:19:52,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:19:52,211 INFO L85 PathProgramCache]: Analyzing trace with hash -561203640, now seen corresponding path program 1 times [2024-12-02 13:19:52,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:19:52,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409818620] [2024-12-02 13:19:52,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:19:52,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:19:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:19:52,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 13:19:52,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:19:52,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409818620] [2024-12-02 13:19:52,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409818620] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:19:52,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:19:52,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 13:19:52,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786398252] [2024-12-02 13:19:52,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:19:52,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 13:19:52,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:19:52,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 13:19:52,430 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-12-02 13:19:52,435 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 39 [2024-12-02 13:19:52,436 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 36 transitions, 118 flow. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:19:52,436 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-12-02 13:19:52,436 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 39 [2024-12-02 13:19:52,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-12-02 13:19:52,825 INFO L124 PetriNetUnfolderBase]: 1531/2283 cut-off events. [2024-12-02 13:19:52,826 INFO L125 PetriNetUnfolderBase]: For 1180/1180 co-relation queries the response was YES. [2024-12-02 13:19:52,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5324 conditions, 2283 events. 1531/2283 cut-off events. For 1180/1180 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 12515 event pairs, 271 based on Foata normal form. 72/2339 useless extension candidates. Maximal degree in co-relation 5311. Up to 1040 conditions per place. [2024-12-02 13:19:52,830 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 0 selfloop transitions, 0 changer transitions 64/64 dead transitions. [2024-12-02 13:19:52,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 64 transitions, 282 flow [2024-12-02 13:19:52,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:19:52,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-12-02 13:19:52,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 110 transitions. [2024-12-02 13:19:52,832 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5641025641025641 [2024-12-02 13:19:52,832 INFO L175 Difference]: Start difference. First operand has 47 places, 36 transitions, 118 flow. Second operand 5 states and 110 transitions. [2024-12-02 13:19:52,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 64 transitions, 282 flow [2024-12-02 13:19:52,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 64 transitions, 267 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-12-02 13:19:52,834 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2024-12-02 13:19:52,834 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0} [2024-12-02 13:19:52,834 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, -2 predicate places. [2024-12-02 13:19:52,834 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2024-12-02 13:19:52,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 13:19:52,836 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-12-02 13:19:52,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-12-02 13:19:52,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-12-02 13:19:52,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-12-02 13:19:52,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-12-02 13:19:52,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-12-02 13:19:52,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-12-02 13:19:52,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-12-02 13:19:52,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-12-02 13:19:52,837 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-12-02 13:19:52,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-12-02 13:19:52,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-12-02 13:19:52,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-12-02 13:19:52,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-12-02 13:19:52,838 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-12-02 13:19:52,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 13:19:52,838 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-12-02 13:19:52,842 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-02 13:19:52,842 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:19:52,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:19:52 BasicIcfg [2024-12-02 13:19:52,847 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:19:52,848 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:19:52,848 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:19:52,848 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:19:52,849 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:19:49" (3/4) ... [2024-12-02 13:19:52,851 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 13:19:52,853 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-12-02 13:19:52,853 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-12-02 13:19:52,853 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-12-02 13:19:52,858 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 88 nodes and edges [2024-12-02 13:19:52,858 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-12-02 13:19:52,858 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 13:19:52,858 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 13:19:52,915 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dec1de2-ae76-4e12-9ac9-c18af0c2813c/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 13:19:52,915 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dec1de2-ae76-4e12-9ac9-c18af0c2813c/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 13:19:52,915 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:19:52,916 INFO L158 Benchmark]: Toolchain (without parser) took 5137.40ms. Allocated memory was 142.6MB in the beginning and 461.4MB in the end (delta: 318.8MB). Free memory was 116.3MB in the beginning and 267.0MB in the end (delta: -150.7MB). Peak memory consumption was 172.5MB. Max. memory is 16.1GB. [2024-12-02 13:19:52,916 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:19:52,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.00ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 90.6MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 13:19:52,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.99ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 88.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:19:52,917 INFO L158 Benchmark]: Boogie Preprocessor took 42.20ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 83.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:19:52,917 INFO L158 Benchmark]: RCFGBuilder took 753.61ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 72.7MB in the end (delta: 11.2MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2024-12-02 13:19:52,917 INFO L158 Benchmark]: TraceAbstraction took 3790.32ms. Allocated memory was 142.6MB in the beginning and 461.4MB in the end (delta: 318.8MB). Free memory was 72.1MB in the beginning and 271.2MB in the end (delta: -199.1MB). Peak memory consumption was 233.9MB. Max. memory is 16.1GB. [2024-12-02 13:19:52,918 INFO L158 Benchmark]: Witness Printer took 67.30ms. Allocated memory is still 461.4MB. Free memory was 271.2MB in the beginning and 267.0MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:19:52,920 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.00ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 90.6MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.99ms. Allocated memory is still 142.6MB. Free memory was 90.6MB in the beginning and 88.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.20ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 83.9MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 753.61ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 72.7MB in the end (delta: 11.2MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3790.32ms. Allocated memory was 142.6MB in the beginning and 461.4MB in the end (delta: 318.8MB). Free memory was 72.1MB in the beginning and 271.2MB in the end (delta: -199.1MB). Peak memory consumption was 233.9MB. Max. memory is 16.1GB. * Witness Printer took 67.30ms. Allocated memory is still 461.4MB. Free memory was 271.2MB in the beginning and 267.0MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 70 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: 3.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 145 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 137 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 297 IncrementalHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 1 mSDtfsCounter, 297 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=170occurred in iteration=2, 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, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 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! [2024-12-02 13:19:52,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6dec1de2-ae76-4e12-9ac9-c18af0c2813c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE