./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe001_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675c029d-2b54-4329-9f6c-838bd7b8fce2/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675c029d-2b54-4329-9f6c-838bd7b8fce2/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675c029d-2b54-4329-9f6c-838bd7b8fce2/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675c029d-2b54-4329-9f6c-838bd7b8fce2/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe001_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675c029d-2b54-4329-9f6c-838bd7b8fce2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675c029d-2b54-4329-9f6c-838bd7b8fce2/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d3dfcdcbd1ef266a13f83c8ffcd1431cdbd44aa9b3fb0ca280daf8703879343 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:01:38,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:01:38,438 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675c029d-2b54-4329-9f6c-838bd7b8fce2/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-14 03:01:38,448 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:01:38,448 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:01:38,475 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:01:38,476 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:01:38,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:01:38,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:01:38,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:01:38,478 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:01:38,478 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:01:38,478 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:01:38,478 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:01:38,478 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:01:38,479 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:01:38,479 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:01:38,479 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:01:38,479 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:01:38,479 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:01:38,480 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:01:38,480 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:01:38,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:01:38,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:01:38,481 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:01:38,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:01:38,481 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:01:38,481 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:01:38,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:01:38,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:01:38,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:01:38,482 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:01:38,482 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-14 03:01:38,482 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-14 03:01:38,482 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:01:38,483 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:01:38,483 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:01:38,483 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:01:38,483 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:01:38,483 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:01:38,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:01:38,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:01:38,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:01:38,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:01:38,484 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:01:38,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:01:38,484 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:01:38,484 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:01:38,484 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:01:38,484 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_675c029d-2b54-4329-9f6c-838bd7b8fce2/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 0d3dfcdcbd1ef266a13f83c8ffcd1431cdbd44aa9b3fb0ca280daf8703879343 [2024-11-14 03:01:38,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:01:38,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:01:38,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:01:38,867 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:01:38,868 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:01:38,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675c029d-2b54-4329-9f6c-838bd7b8fce2/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/pthread-wmm/safe001_rmo.oepc.i Unable to find full path for "g++" [2024-11-14 03:01:41,498 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:01:41,934 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:01:41,935 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675c029d-2b54-4329-9f6c-838bd7b8fce2/sv-benchmarks/c/pthread-wmm/safe001_rmo.oepc.i [2024-11-14 03:01:41,955 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675c029d-2b54-4329-9f6c-838bd7b8fce2/bin/utaipan-verify-sOmjnqqW8E/data/9150f901b/9e9e5753874d4107a1c38b104871c9de/FLAG69f865950 [2024-11-14 03:01:41,986 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675c029d-2b54-4329-9f6c-838bd7b8fce2/bin/utaipan-verify-sOmjnqqW8E/data/9150f901b/9e9e5753874d4107a1c38b104871c9de [2024-11-14 03:01:41,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:01:41,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:01:41,993 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:01:41,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:01:41,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:01:42,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:01:41" (1/1) ... [2024-11-14 03:01:42,001 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cd402db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:42, skipping insertion in model container [2024-11-14 03:01:42,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:01:41" (1/1) ... [2024-11-14 03:01:42,050 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:01:42,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:01:42,616 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:01:42,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:01:42,839 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:01:42,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:42 WrapperNode [2024-11-14 03:01:42,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:01:42,841 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:01:42,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:01:42,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:01:42,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:42" (1/1) ... [2024-11-14 03:01:42,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:42" (1/1) ... [2024-11-14 03:01:42,942 INFO L138 Inliner]: procedures = 175, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 165 [2024-11-14 03:01:42,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:01:42,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:01:42,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:01:42,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:01:42,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:42" (1/1) ... [2024-11-14 03:01:42,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:42" (1/1) ... [2024-11-14 03:01:42,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:42" (1/1) ... [2024-11-14 03:01:42,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:42" (1/1) ... [2024-11-14 03:01:42,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:42" (1/1) ... [2024-11-14 03:01:43,001 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:42" (1/1) ... [2024-11-14 03:01:43,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:42" (1/1) ... [2024-11-14 03:01:43,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:42" (1/1) ... [2024-11-14 03:01:43,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:01:43,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:01:43,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:01:43,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:01:43,024 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:42" (1/1) ... [2024-11-14 03:01:43,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:01:43,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675c029d-2b54-4329-9f6c-838bd7b8fce2/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:01:43,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675c029d-2b54-4329-9f6c-838bd7b8fce2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:01:43,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675c029d-2b54-4329-9f6c-838bd7b8fce2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:01:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:01:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:01:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 03:01:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:01:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-14 03:01:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-14 03:01:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-14 03:01:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-14 03:01:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-14 03:01:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-14 03:01:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:01:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 03:01:43,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:01:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:01:43,096 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 03:01:43,305 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:01:43,307 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:01:44,106 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 03:01:44,106 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:01:44,769 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:01:44,769 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 03:01:44,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:01:44 BoogieIcfgContainer [2024-11-14 03:01:44,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:01:44,773 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:01:44,773 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:01:44,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:01:44,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:01:41" (1/3) ... [2024-11-14 03:01:44,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa1ab69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:01:44, skipping insertion in model container [2024-11-14 03:01:44,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:01:42" (2/3) ... [2024-11-14 03:01:44,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa1ab69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:01:44, skipping insertion in model container [2024-11-14 03:01:44,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:01:44" (3/3) ... [2024-11-14 03:01:44,783 INFO L112 eAbstractionObserver]: Analyzing ICFG safe001_rmo.oepc.i [2024-11-14 03:01:44,805 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:01:44,809 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG safe001_rmo.oepc.i that has 4 procedures, 40 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2024-11-14 03:01:44,814 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 03:01:44,965 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 03:01:45,020 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 39 transitions, 90 flow [2024-11-14 03:01:45,506 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 5229 states, 5203 states have (on average 3.507976167595618) internal successors, (18252), 5228 states have internal predecessors, (18252), 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) [2024-11-14 03:01:45,548 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:01:45,566 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=FINITE_AUTOMATA, 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;@c3198c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:01:45,566 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-14 03:01:45,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 5229 states, 5203 states have (on average 3.507976167595618) internal successors, (18252), 5228 states have internal predecessors, (18252), 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) [2024-11-14 03:01:45,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 03:01:45,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:01:45,595 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:01:45,596 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-14 03:01:45,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:01:45,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1109413153, now seen corresponding path program 1 times [2024-11-14 03:01:45,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:01:45,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315015866] [2024-11-14 03:01:45,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:01:45,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:01:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:01:46,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:01:46,206 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:01:46,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315015866] [2024-11-14 03:01:46,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315015866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:01:46,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:01:46,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-14 03:01:46,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001051487] [2024-11-14 03:01:46,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:01:46,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 03:01:46,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:01:46,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 03:01:46,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:01:46,271 INFO L87 Difference]: Start difference. First operand has 5229 states, 5203 states have (on average 3.507976167595618) internal successors, (18252), 5228 states have internal predecessors, (18252), 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) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-14 03:01:46,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:01:46,749 INFO L93 Difference]: Finished difference Result 6421 states and 21132 transitions. [2024-11-14 03:01:46,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-14 03:01:46,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) Word has length 7 [2024-11-14 03:01:46,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:01:46,836 INFO L225 Difference]: With dead ends: 6421 [2024-11-14 03:01:46,836 INFO L226 Difference]: Without dead ends: 3651 [2024-11-14 03:01:46,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 03:01:46,853 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 18 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 03:01:46,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 12 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 03:01:46,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3651 states. [2024-11-14 03:01:47,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3651 to 3651. [2024-11-14 03:01:47,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3651 states, 3633 states have (on average 3.361959812826865) internal successors, (12214), 3650 states have internal predecessors, (12214), 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) [2024-11-14 03:01:47,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3651 states to 3651 states and 12214 transitions. [2024-11-14 03:01:47,361 INFO L78 Accepts]: Start accepts. Automaton has 3651 states and 12214 transitions. Word has length 7 [2024-11-14 03:01:47,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:01:47,363 INFO L471 AbstractCegarLoop]: Abstraction has 3651 states and 12214 transitions. [2024-11-14 03:01:47,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-11-14 03:01:47,365 INFO L276 IsEmpty]: Start isEmpty. Operand 3651 states and 12214 transitions. [2024-11-14 03:01:47,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-14 03:01:47,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:01:47,374 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:01:47,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 03:01:47,375 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-14 03:01:47,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:01:47,376 INFO L85 PathProgramCache]: Analyzing trace with hash -959781779, now seen corresponding path program 1 times [2024-11-14 03:01:47,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:01:47,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68768150] [2024-11-14 03:01:47,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:01:47,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:01:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:01:47,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:01:47,748 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:01:47,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68768150] [2024-11-14 03:01:47,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68768150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:01:47,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:01:47,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:01:47,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711962186] [2024-11-14 03:01:47,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:01:47,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:01:47,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:01:47,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:01:47,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:01:47,753 INFO L87 Difference]: Start difference. First operand 3651 states and 12214 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-14 03:01:48,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:01:48,218 INFO L93 Difference]: Finished difference Result 3819 states and 12526 transitions. [2024-11-14 03:01:48,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:01:48,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) Word has length 14 [2024-11-14 03:01:48,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:01:48,255 INFO L225 Difference]: With dead ends: 3819 [2024-11-14 03:01:48,256 INFO L226 Difference]: Without dead ends: 3181 [2024-11-14 03:01:48,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:01:48,262 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 40 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:01:48,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 18 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:01:48,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3181 states. [2024-11-14 03:01:48,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3181 to 3097. [2024-11-14 03:01:48,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3097 states, 3088 states have (on average 3.3552461139896375) internal successors, (10361), 3096 states have internal predecessors, (10361), 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) [2024-11-14 03:01:48,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3097 states to 3097 states and 10361 transitions. [2024-11-14 03:01:48,473 INFO L78 Accepts]: Start accepts. Automaton has 3097 states and 10361 transitions. Word has length 14 [2024-11-14 03:01:48,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:01:48,474 INFO L471 AbstractCegarLoop]: Abstraction has 3097 states and 10361 transitions. [2024-11-14 03:01:48,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-14 03:01:48,475 INFO L276 IsEmpty]: Start isEmpty. Operand 3097 states and 10361 transitions. [2024-11-14 03:01:48,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-14 03:01:48,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:01:48,482 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:01:48,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 03:01:48,483 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-14 03:01:48,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:01:48,484 INFO L85 PathProgramCache]: Analyzing trace with hash -959781780, now seen corresponding path program 1 times [2024-11-14 03:01:48,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:01:48,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063182746] [2024-11-14 03:01:48,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:01:48,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:01:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:01:48,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:01:48,869 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:01:48,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063182746] [2024-11-14 03:01:48,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063182746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:01:48,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:01:48,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 03:01:48,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539159781] [2024-11-14 03:01:48,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:01:48,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 03:01:48,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:01:48,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 03:01:48,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:01:48,875 INFO L87 Difference]: Start difference. First operand 3097 states and 10361 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-14 03:01:49,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:01:49,360 INFO L93 Difference]: Finished difference Result 3097 states and 10361 transitions. [2024-11-14 03:01:49,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 03:01:49,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) Word has length 14 [2024-11-14 03:01:49,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:01:49,395 INFO L225 Difference]: With dead ends: 3097 [2024-11-14 03:01:49,395 INFO L226 Difference]: Without dead ends: 2543 [2024-11-14 03:01:49,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 03:01:49,402 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 40 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-14 03:01:49,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 24 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-14 03:01:49,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2543 states. [2024-11-14 03:01:49,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2543 to 2543. [2024-11-14 03:01:49,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2543 states, 2540 states have (on average 3.3661417322834644) internal successors, (8550), 2542 states have internal predecessors, (8550), 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) [2024-11-14 03:01:49,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2543 states to 2543 states and 8550 transitions. [2024-11-14 03:01:49,571 INFO L78 Accepts]: Start accepts. Automaton has 2543 states and 8550 transitions. Word has length 14 [2024-11-14 03:01:49,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:01:49,572 INFO L471 AbstractCegarLoop]: Abstraction has 2543 states and 8550 transitions. [2024-11-14 03:01:49,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-14 03:01:49,573 INFO L276 IsEmpty]: Start isEmpty. Operand 2543 states and 8550 transitions. [2024-11-14 03:01:49,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-14 03:01:49,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:01:49,591 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:01:49,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 03:01:49,592 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-14 03:01:49,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:01:49,593 INFO L85 PathProgramCache]: Analyzing trace with hash -930713453, now seen corresponding path program 1 times [2024-11-14 03:01:49,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:01:49,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351983762] [2024-11-14 03:01:49,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:01:49,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 03:01:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 03:01:50,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 03:01:50,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 03:01:50,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351983762] [2024-11-14 03:01:50,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351983762] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 03:01:50,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 03:01:50,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 03:01:50,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325868961] [2024-11-14 03:01:50,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 03:01:50,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 03:01:50,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 03:01:50,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 03:01:50,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:01:50,071 INFO L87 Difference]: Start difference. First operand 2543 states and 8550 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-14 03:01:50,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 03:01:50,399 INFO L93 Difference]: Finished difference Result 2543 states and 8550 transitions. [2024-11-14 03:01:50,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 03:01:50,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) Word has length 21 [2024-11-14 03:01:50,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 03:01:50,409 INFO L225 Difference]: With dead ends: 2543 [2024-11-14 03:01:50,410 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 03:01:50,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-14 03:01:50,416 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 54 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-14 03:01:50,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 18 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-14 03:01:50,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 03:01:50,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 03:01:50,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-14 03:01:50,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 03:01:50,425 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2024-11-14 03:01:50,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 03:01:50,426 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 03:01:50,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-14 03:01:50,426 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 03:01:50,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 03:01:50,431 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-14 03:01:50,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-14 03:01:50,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-14 03:01:50,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-14 03:01:50,433 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-14 03:01:50,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-14 03:01:50,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-14 03:01:50,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-14 03:01:50,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-14 03:01:50,434 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-14 03:01:50,435 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-14 03:01:50,435 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-14 03:01:50,435 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-14 03:01:50,435 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-14 03:01:50,435 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-14 03:01:50,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 03:01:50,440 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-14 03:01:50,446 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 03:01:50,446 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 03:01:50,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 03:01:50 BasicIcfg [2024-11-14 03:01:50,452 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 03:01:50,453 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 03:01:50,453 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 03:01:50,453 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 03:01:50,459 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:01:44" (3/4) ... [2024-11-14 03:01:50,461 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 03:01:50,464 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-14 03:01:50,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-14 03:01:50,465 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-14 03:01:50,475 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges [2024-11-14 03:01:50,476 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-14 03:01:50,476 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-14 03:01:50,476 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-14 03:01:50,599 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675c029d-2b54-4329-9f6c-838bd7b8fce2/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 03:01:50,599 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675c029d-2b54-4329-9f6c-838bd7b8fce2/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 03:01:50,601 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 03:01:50,602 INFO L158 Benchmark]: Toolchain (without parser) took 8611.22ms. Allocated memory was 109.1MB in the beginning and 251.7MB in the end (delta: 142.6MB). Free memory was 81.8MB in the beginning and 98.0MB in the end (delta: -16.3MB). Peak memory consumption was 129.0MB. Max. memory is 16.1GB. [2024-11-14 03:01:50,603 INFO L158 Benchmark]: CDTParser took 1.21ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:01:50,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 848.25ms. Allocated memory is still 109.1MB. Free memory was 81.8MB in the beginning and 56.0MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 03:01:50,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.47ms. Allocated memory is still 109.1MB. Free memory was 56.0MB in the beginning and 53.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 03:01:50,606 INFO L158 Benchmark]: Boogie Preprocessor took 75.01ms. Allocated memory is still 109.1MB. Free memory was 53.5MB in the beginning and 51.3MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:01:50,607 INFO L158 Benchmark]: RCFGBuilder took 1748.15ms. Allocated memory is still 109.1MB. Free memory was 51.3MB in the beginning and 32.3MB in the end (delta: 19.0MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2024-11-14 03:01:50,607 INFO L158 Benchmark]: TraceAbstraction took 5679.17ms. Allocated memory was 109.1MB in the beginning and 251.7MB in the end (delta: 142.6MB). Free memory was 31.6MB in the beginning and 102.4MB in the end (delta: -70.9MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2024-11-14 03:01:50,609 INFO L158 Benchmark]: Witness Printer took 148.10ms. Allocated memory is still 251.7MB. Free memory was 102.4MB in the beginning and 98.0MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 03:01:50,611 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.21ms. Allocated memory is still 83.9MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 848.25ms. Allocated memory is still 109.1MB. Free memory was 81.8MB in the beginning and 56.0MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.47ms. Allocated memory is still 109.1MB. Free memory was 56.0MB in the beginning and 53.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 75.01ms. Allocated memory is still 109.1MB. Free memory was 53.5MB in the beginning and 51.3MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1748.15ms. Allocated memory is still 109.1MB. Free memory was 51.3MB in the beginning and 32.3MB in the end (delta: 19.0MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5679.17ms. Allocated memory was 109.1MB in the beginning and 251.7MB in the end (delta: 142.6MB). Free memory was 31.6MB in the beginning and 102.4MB in the end (delta: -70.9MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. * Witness Printer took 148.10ms. Allocated memory is still 251.7MB. Free memory was 102.4MB in the beginning and 98.0MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 782]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 782]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 802]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 802]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 835]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 835]: 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. OverallTime: 5.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 152 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 152 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 297 IncrementalHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 30 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5229occurred in iteration=0, 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: 0.8s AutomataMinimizationTime, 4 MinimizatonAttempts, 84 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-14 03:01:50,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_675c029d-2b54-4329-9f6c-838bd7b8fce2/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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