./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7495526f-7d97-44ef-887f-bb6d75e482b4/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7495526f-7d97-44ef-887f-bb6d75e482b4/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_7495526f-7d97-44ef-887f-bb6d75e482b4/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7495526f-7d97-44ef-887f-bb6d75e482b4/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7495526f-7d97-44ef-887f-bb6d75e482b4/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7495526f-7d97-44ef-887f-bb6d75e482b4/bin/utaipan-verify-sOmjnqqW8E --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:21:06,122 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:21:06,198 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7495526f-7d97-44ef-887f-bb6d75e482b4/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 05:21:06,204 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:21:06,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:21:06,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:21:06,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:21:06,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:21:06,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:21:06,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:21:06,236 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:21:06,236 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:21:06,236 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:21:06,237 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:21:06,237 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:21:06,237 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:21:06,237 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:21:06,237 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:21:06,237 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:21:06,238 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:21:06,238 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:21:06,238 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:21:06,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:21:06,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:21:06,239 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 05:21:06,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:21:06,239 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 05:21:06,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:21:06,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:21:06,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:21:06,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:21:06,240 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:21:06,240 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 05:21:06,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:21:06,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:21:06,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:21:06,241 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:21:06,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:21:06,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:21:06,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:21:06,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:21:06,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:21:06,242 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:21:06,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:21:06,242 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:21:06,242 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:21:06,243 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:21:06,243 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_7495526f-7d97-44ef-887f-bb6d75e482b4/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 ! call(reach_error())) ) 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 -> 86978482104e316c202a01b019909b1a7fe566ade6200bbc4193c078d7c086e9 [2024-11-14 05:21:06,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:21:06,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:21:06,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:21:06,576 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:21:06,576 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:21:06,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7495526f-7d97-44ef-887f-bb6d75e482b4/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c Unable to find full path for "g++" [2024-11-14 05:21:08,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:21:09,061 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:21:09,062 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7495526f-7d97-44ef-887f-bb6d75e482b4/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c [2024-11-14 05:21:09,080 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7495526f-7d97-44ef-887f-bb6d75e482b4/bin/utaipan-verify-sOmjnqqW8E/data/5d35d7b01/3da0b1e51278433491566b5008dac8ad/FLAG14bc3f202 [2024-11-14 05:21:09,114 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7495526f-7d97-44ef-887f-bb6d75e482b4/bin/utaipan-verify-sOmjnqqW8E/data/5d35d7b01/3da0b1e51278433491566b5008dac8ad [2024-11-14 05:21:09,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:21:09,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:21:09,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:21:09,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:21:09,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:21:09,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:21:09" (1/1) ... [2024-11-14 05:21:09,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58194fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:09, skipping insertion in model container [2024-11-14 05:21:09,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:21:09" (1/1) ... [2024-11-14 05:21:09,148 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:21:09,397 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7495526f-7d97-44ef-887f-bb6d75e482b4/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c[2329,2342] [2024-11-14 05:21:09,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:21:09,422 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:21:09,455 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7495526f-7d97-44ef-887f-bb6d75e482b4/sv-benchmarks/c/weaver/chl-simpl-str-symm.wvr.c[2329,2342] [2024-11-14 05:21:09,457 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:21:09,480 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:21:09,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:09 WrapperNode [2024-11-14 05:21:09,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:21:09,483 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:21:09,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:21:09,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:21:09,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:09" (1/1) ... [2024-11-14 05:21:09,505 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:09" (1/1) ... [2024-11-14 05:21:09,541 INFO L138 Inliner]: procedures = 21, calls = 15, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 115 [2024-11-14 05:21:09,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:21:09,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:21:09,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:21:09,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:21:09,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:09" (1/1) ... [2024-11-14 05:21:09,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:09" (1/1) ... [2024-11-14 05:21:09,554 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:09" (1/1) ... [2024-11-14 05:21:09,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:09" (1/1) ... [2024-11-14 05:21:09,568 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:09" (1/1) ... [2024-11-14 05:21:09,574 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:09" (1/1) ... [2024-11-14 05:21:09,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:09" (1/1) ... [2024-11-14 05:21:09,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:09" (1/1) ... [2024-11-14 05:21:09,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:21:09,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:21:09,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:21:09,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:21:09,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:09" (1/1) ... [2024-11-14 05:21:09,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:21:09,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7495526f-7d97-44ef-887f-bb6d75e482b4/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:21:09,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7495526f-7d97-44ef-887f-bb6d75e482b4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:21:09,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7495526f-7d97-44ef-887f-bb6d75e482b4/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:21:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:21:09,675 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-14 05:21:09,675 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-14 05:21:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-14 05:21:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-14 05:21:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:21:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:21:09,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:21:09,677 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 05:21:09,813 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:21:09,815 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:21:10,139 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 05:21:10,140 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:21:10,498 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:21:10,500 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 05:21:10,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:21:10 BoogieIcfgContainer [2024-11-14 05:21:10,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:21:10,504 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:21:10,504 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:21:10,510 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:21:10,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:21:09" (1/3) ... [2024-11-14 05:21:10,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df6c7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:21:10, skipping insertion in model container [2024-11-14 05:21:10,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:21:09" (2/3) ... [2024-11-14 05:21:10,512 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df6c7bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:21:10, skipping insertion in model container [2024-11-14 05:21:10,512 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:21:10" (3/3) ... [2024-11-14 05:21:10,514 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-symm.wvr.c [2024-11-14 05:21:10,533 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:21:10,535 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-simpl-str-symm.wvr.c that has 3 procedures, 15 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-14 05:21:10,535 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 05:21:10,617 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-14 05:21:10,678 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 14 transitions, 42 flow [2024-11-14 05:21:10,697 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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 05:21:10,738 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:21:10,757 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;@2341c33c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:21:10,760 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-14 05:21:10,763 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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 05:21:10,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 05:21:10,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:21:10,772 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:21:10,774 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 05:21:10,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:21:10,781 INFO L85 PathProgramCache]: Analyzing trace with hash 858555519, now seen corresponding path program 1 times [2024-11-14 05:21:10,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:21:10,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513464058] [2024-11-14 05:21:10,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:21:10,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:21:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:21:12,404 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 05:21:12,404 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:21:12,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513464058] [2024-11-14 05:21:12,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513464058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:21:12,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:21:12,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:21:12,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246694054] [2024-11-14 05:21:12,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:21:12,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:21:12,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:21:12,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:21:12,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:21:12,442 INFO L87 Difference]: Start difference. First operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 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 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 05:21:12,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:21:12,623 INFO L93 Difference]: Finished difference Result 25 states and 31 transitions. [2024-11-14 05:21:12,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:21:12,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2024-11-14 05:21:12,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:21:12,636 INFO L225 Difference]: With dead ends: 25 [2024-11-14 05:21:12,636 INFO L226 Difference]: Without dead ends: 14 [2024-11-14 05:21:12,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:21:12,645 INFO L432 NwaCegarLoop]: 1 mSDtfsCounter, 13 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:21:12,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 2 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:21:12,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-14 05:21:12,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-14 05:21:12,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 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 05:21:12,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2024-11-14 05:21:12,683 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 11 [2024-11-14 05:21:12,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:21:12,684 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2024-11-14 05:21:12,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 05:21:12,685 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-14 05:21:12,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-14 05:21:12,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:21:12,687 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 05:21:12,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:21:12,689 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 05:21:12,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:21:12,691 INFO L85 PathProgramCache]: Analyzing trace with hash 881792499, now seen corresponding path program 2 times [2024-11-14 05:21:12,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:21:12,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662696322] [2024-11-14 05:21:12,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:21:12,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:21:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:21:13,671 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 05:21:13,671 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:21:13,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662696322] [2024-11-14 05:21:13,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662696322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:21:13,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:21:13,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:21:13,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564060143] [2024-11-14 05:21:13,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:21:13,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:21:13,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:21:13,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:21:13,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:21:13,675 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 05:21:13,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:21:13,829 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2024-11-14 05:21:13,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 05:21:13,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2024-11-14 05:21:13,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:21:13,830 INFO L225 Difference]: With dead ends: 14 [2024-11-14 05:21:13,831 INFO L226 Difference]: Without dead ends: 0 [2024-11-14 05:21:13,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:21:13,832 INFO L432 NwaCegarLoop]: 0 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:21:13,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 0 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:21:13,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-14 05:21:13,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-14 05:21:13,836 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 05:21:13,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-14 05:21:13,836 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2024-11-14 05:21:13,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:21:13,837 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-14 05:21:13,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 05:21:13,837 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-14 05:21:13,837 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-14 05:21:13,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-14 05:21:13,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-14 05:21:13,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-14 05:21:13,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:21:13,847 INFO L407 BasicCegarLoop]: Path program histogram: [2] [2024-11-14 05:21:13,850 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 05:21:13,852 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:21:13,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:21:13 BasicIcfg [2024-11-14 05:21:13,859 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:21:13,859 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:21:13,860 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:21:13,860 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:21:13,861 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:21:10" (3/4) ... [2024-11-14 05:21:13,865 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-14 05:21:13,869 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-14 05:21:13,869 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-14 05:21:13,877 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2024-11-14 05:21:13,878 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-14 05:21:13,878 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-14 05:21:13,878 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-14 05:21:13,972 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7495526f-7d97-44ef-887f-bb6d75e482b4/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 05:21:13,973 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7495526f-7d97-44ef-887f-bb6d75e482b4/bin/utaipan-verify-sOmjnqqW8E/witness.yml [2024-11-14 05:21:13,973 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:21:13,974 INFO L158 Benchmark]: Toolchain (without parser) took 4854.94ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 93.4MB in the beginning and 128.9MB in the end (delta: -35.4MB). Peak memory consumption was 115.2MB. Max. memory is 16.1GB. [2024-11-14 05:21:13,974 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:21:13,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.34ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 81.8MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:21:13,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.08ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:21:13,978 INFO L158 Benchmark]: Boogie Preprocessor took 41.05ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.3MB in the end (delta: 879.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:21:13,982 INFO L158 Benchmark]: RCFGBuilder took 916.21ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 89.1MB in the end (delta: -9.8MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-11-14 05:21:13,982 INFO L158 Benchmark]: TraceAbstraction took 3354.50ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 88.5MB in the beginning and 134.2MB in the end (delta: -45.6MB). Peak memory consumption was 102.3MB. Max. memory is 16.1GB. [2024-11-14 05:21:13,982 INFO L158 Benchmark]: Witness Printer took 113.58ms. Allocated memory is still 268.4MB. Free memory was 134.2MB in the beginning and 128.9MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:21:13,987 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.34ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 81.8MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.08ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.05ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.3MB in the end (delta: 879.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 916.21ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 89.1MB in the end (delta: -9.8MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3354.50ms. Allocated memory was 117.4MB in the beginning and 268.4MB in the end (delta: 151.0MB). Free memory was 88.5MB in the beginning and 134.2MB in the end (delta: -45.6MB). Peak memory consumption was 102.3MB. Max. memory is 16.1GB. * Witness Printer took 113.58ms. Allocated memory is still 268.4MB. Free memory was 134.2MB in the beginning and 128.9MB in the end (delta: 5.3MB). 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: 72]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 21 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 293 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-14 05:21:14,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7495526f-7d97-44ef-887f-bb6d75e482b4/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