./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje --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 64bit --witnessprinter.graph.data.programhash e56bfcce592ee438a8dcd57012297d0f9066f8ae463294371e7cc9345663ecd7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:29:44,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:29:44,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:29:44,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:29:44,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:29:44,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:29:44,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:29:44,863 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:29:44,863 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:29:44,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:29:44,865 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:29:44,866 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:29:44,867 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:29:44,867 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:29:44,869 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:29:44,870 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:29:44,870 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:29:44,870 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:29:44,871 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:29:44,871 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:29:44,875 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:29:44,876 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:29:44,877 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:29:44,877 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:29:44,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:29:44,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:29:44,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:29:44,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:29:44,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:29:44,879 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:29:44,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:29:44,879 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:29:44,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:29:44,892 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:29:44,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:29:44,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:29:44,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:29:44,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:29:44,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:29:44,894 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:29:44,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:29:44,896 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:29:44,896 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:29:44,897 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:29:44,897 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e56bfcce592ee438a8dcd57012297d0f9066f8ae463294371e7cc9345663ecd7 [2024-11-09 05:29:45,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:29:45,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:29:45,251 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:29:45,253 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:29:45,254 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:29:45,255 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 05:29:47,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:29:47,840 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:29:47,840 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-func-interl.c [2024-11-09 05:29:47,867 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/data/74999d384/1d3faf84221f4bfa90b2dd39bcfd4421/FLAGcca95f185 [2024-11-09 05:29:47,887 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/data/74999d384/1d3faf84221f4bfa90b2dd39bcfd4421 [2024-11-09 05:29:47,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:29:47,892 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:29:47,894 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:29:47,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:29:47,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:29:47,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:29:47" (1/1) ... [2024-11-09 05:29:47,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1459cee9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:47, skipping insertion in model container [2024-11-09 05:29:47,905 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:29:47" (1/1) ... [2024-11-09 05:29:47,994 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:29:48,326 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_f894a3c6-a16f-4b16-ab94-43fbec2bd827/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-func-interl.c[1175,1188] [2024-11-09 05:29:48,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:29:48,957 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:29:48,969 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_f894a3c6-a16f-4b16-ab94-43fbec2bd827/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-func-interl.c[1175,1188] [2024-11-09 05:29:49,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:29:49,300 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:29:49,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:49 WrapperNode [2024-11-09 05:29:49,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:29:49,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:29:49,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:29:49,302 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:29:49,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:49" (1/1) ... [2024-11-09 05:29:49,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:49" (1/1) ... [2024-11-09 05:29:50,555 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6597 [2024-11-09 05:29:50,555 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:29:50,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:29:50,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:29:50,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:29:50,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:49" (1/1) ... [2024-11-09 05:29:50,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:49" (1/1) ... [2024-11-09 05:29:50,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:49" (1/1) ... [2024-11-09 05:29:50,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:49" (1/1) ... [2024-11-09 05:29:51,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:49" (1/1) ... [2024-11-09 05:29:51,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:49" (1/1) ... [2024-11-09 05:29:51,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:49" (1/1) ... [2024-11-09 05:29:51,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:49" (1/1) ... [2024-11-09 05:29:51,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:29:51,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:29:51,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:29:51,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:29:51,396 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:49" (1/1) ... [2024-11-09 05:29:51,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:29:51,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:29:51,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:29:51,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:29:51,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:29:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:29:51,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:29:51,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:29:52,055 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:29:52,057 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:30:01,972 INFO L? ?]: Removed 3714 outVars from TransFormulas that were not future-live. [2024-11-09 05:30:01,973 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:30:16,631 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:30:16,631 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:30:16,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:30:16 BoogieIcfgContainer [2024-11-09 05:30:16,631 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:30:16,634 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:30:16,634 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:30:16,638 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:30:16,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:29:47" (1/3) ... [2024-11-09 05:30:16,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7640e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:30:16, skipping insertion in model container [2024-11-09 05:30:16,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:29:49" (2/3) ... [2024-11-09 05:30:16,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7640e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:30:16, skipping insertion in model container [2024-11-09 05:30:16,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:30:16" (3/3) ... [2024-11-09 05:30:16,642 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.peterson.5.prop1-func-interl.c [2024-11-09 05:30:16,663 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:30:16,663 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:30:16,752 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:30:16,761 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;@5582a33c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:30:16,761 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:30:16,765 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2024-11-09 05:30:16,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 05:30:16,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:30:16,773 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 05:30:16,774 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:30:16,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:30:16,780 INFO L85 PathProgramCache]: Analyzing trace with hash 327924918, now seen corresponding path program 1 times [2024-11-09 05:30:16,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:30:16,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24164679] [2024-11-09 05:30:16,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:30:16,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:30:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:30:17,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:30:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:30:18,303 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:30:18,305 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:30:18,307 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:30:18,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:30:18,316 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:30:18,365 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:30:18,387 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:30:18,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:30:18 BoogieIcfgContainer [2024-11-09 05:30:18,393 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:30:18,394 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:30:18,395 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:30:18,396 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:30:18,396 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:30:16" (3/4) ... [2024-11-09 05:30:18,399 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:30:18,401 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:30:18,403 INFO L158 Benchmark]: Toolchain (without parser) took 30510.43ms. Allocated memory was 157.3MB in the beginning and 5.7GB in the end (delta: 5.5GB). Free memory was 111.3MB in the beginning and 5.2GB in the end (delta: -5.0GB). Peak memory consumption was 465.8MB. Max. memory is 16.1GB. [2024-11-09 05:30:18,403 INFO L158 Benchmark]: CDTParser took 1.42ms. Allocated memory is still 157.3MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:30:18,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1407.44ms. Allocated memory was 157.3MB in the beginning and 239.1MB in the end (delta: 81.8MB). Free memory was 110.7MB in the beginning and 160.7MB in the end (delta: -50.0MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. [2024-11-09 05:30:18,406 INFO L158 Benchmark]: Boogie Procedure Inliner took 1253.38ms. Allocated memory was 239.1MB in the beginning and 478.2MB in the end (delta: 239.1MB). Free memory was 160.7MB in the beginning and 333.4MB in the end (delta: -172.6MB). Peak memory consumption was 159.1MB. Max. memory is 16.1GB. [2024-11-09 05:30:18,407 INFO L158 Benchmark]: Boogie Preprocessor took 836.19ms. Allocated memory is still 478.2MB. Free memory was 333.4MB in the beginning and 279.4MB in the end (delta: 54.0MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. [2024-11-09 05:30:18,409 INFO L158 Benchmark]: RCFGBuilder took 25237.80ms. Allocated memory was 478.2MB in the beginning and 5.7GB in the end (delta: 5.2GB). Free memory was 279.4MB in the beginning and 5.0GB in the end (delta: -4.8GB). Peak memory consumption was 979.2MB. Max. memory is 16.1GB. [2024-11-09 05:30:18,410 INFO L158 Benchmark]: TraceAbstraction took 1759.29ms. Allocated memory is still 5.7GB. Free memory was 5.0GB in the beginning and 5.2GB in the end (delta: -110.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:30:18,410 INFO L158 Benchmark]: Witness Printer took 7.25ms. Allocated memory is still 5.7GB. Free memory is still 5.2GB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:30:18,416 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42ms. Allocated memory is still 157.3MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1407.44ms. Allocated memory was 157.3MB in the beginning and 239.1MB in the end (delta: 81.8MB). Free memory was 110.7MB in the beginning and 160.7MB in the end (delta: -50.0MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1253.38ms. Allocated memory was 239.1MB in the beginning and 478.2MB in the end (delta: 239.1MB). Free memory was 160.7MB in the beginning and 333.4MB in the end (delta: -172.6MB). Peak memory consumption was 159.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 836.19ms. Allocated memory is still 478.2MB. Free memory was 333.4MB in the beginning and 279.4MB in the end (delta: 54.0MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. * RCFGBuilder took 25237.80ms. Allocated memory was 478.2MB in the beginning and 5.7GB in the end (delta: 5.2GB). Free memory was 279.4MB in the beginning and 5.0GB in the end (delta: -4.8GB). Peak memory consumption was 979.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1759.29ms. Allocated memory is still 5.7GB. Free memory was 5.0GB in the beginning and 5.2GB in the end (delta: -110.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.25ms. Allocated memory is still 5.7GB. Free memory is still 5.2GB. There was no memory consumed. 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 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 196. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_38 = 0; [L40] const SORT_4 var_81 = 1; [L41] const SORT_4 var_82 = 0; [L42] const SORT_2 var_94 = 0; [L43] const SORT_3 var_115 = 0; [L44] const SORT_2 var_120 = 3; [L45] const SORT_2 var_126 = 2; [L46] const SORT_2 var_132 = 1; [L47] const SORT_4 var_156 = 2; [L48] const SORT_4 var_170 = 3; [L49] const SORT_4 var_313 = 4; [L50] const SORT_2 var_338 = 4; [L52] SORT_1 input_93; [L53] SORT_1 input_95; [L54] SORT_1 input_99; [L55] SORT_1 input_100; [L56] SORT_1 input_104; [L57] SORT_1 input_105; [L58] SORT_1 input_109; [L59] SORT_1 input_110; [L60] SORT_1 input_114; [L61] SORT_1 input_121; [L62] SORT_1 input_127; [L63] SORT_1 input_133; [L64] SORT_1 input_184; [L65] SORT_1 input_187; [L66] SORT_1 input_191; [L67] SORT_1 input_198; [L68] SORT_1 input_201; [L69] SORT_1 input_205; [L70] SORT_1 input_212; [L71] SORT_1 input_215; [L72] SORT_1 input_219; [L73] SORT_1 input_226; [L74] SORT_1 input_229; [L75] SORT_1 input_233; [L76] SORT_1 input_243; [L77] SORT_1 input_261; [L78] SORT_1 input_279; [L79] SORT_1 input_297; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L81] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L82] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L83] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L84] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L85] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L86] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L87] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L88] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L89] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L90] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L91] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L92] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L93] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L94] SORT_2 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L95] SORT_2 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L96] SORT_2 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L97] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L98] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L99] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L100] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L101] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L102] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L103] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L104] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L105] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L106] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L107] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L108] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L109] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L110] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L111] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L112] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L113] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L114] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L115] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L116] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L117] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] SORT_2 init_7_arg_1 = var_5; [L120] state_6 = init_7_arg_1 [L121] SORT_2 init_9_arg_1 = var_5; [L122] state_8 = init_9_arg_1 [L123] SORT_2 init_11_arg_1 = var_5; [L124] state_10 = init_11_arg_1 [L125] SORT_2 init_13_arg_1 = var_5; [L126] state_12 = init_13_arg_1 [L127] SORT_2 init_15_arg_1 = var_5; [L128] state_14 = init_15_arg_1 [L129] SORT_2 init_17_arg_1 = var_5; [L130] state_16 = init_17_arg_1 [L131] SORT_2 init_19_arg_1 = var_5; [L132] state_18 = init_19_arg_1 [L133] SORT_2 init_21_arg_1 = var_5; [L134] state_20 = init_21_arg_1 [L135] SORT_2 init_23_arg_1 = var_5; [L136] state_22 = init_23_arg_1 [L137] SORT_2 init_25_arg_1 = var_5; [L138] state_24 = init_25_arg_1 [L139] SORT_2 init_27_arg_1 = var_5; [L140] state_26 = init_27_arg_1 [L141] SORT_2 init_29_arg_1 = var_5; [L142] state_28 = init_29_arg_1 [L143] SORT_2 init_31_arg_1 = var_5; [L144] state_30 = init_31_arg_1 [L145] SORT_2 init_33_arg_1 = var_5; [L146] state_32 = init_33_arg_1 [L147] SORT_2 init_35_arg_1 = var_5; [L148] state_34 = init_35_arg_1 [L149] SORT_2 init_37_arg_1 = var_5; [L150] state_36 = init_37_arg_1 [L151] SORT_1 init_40_arg_1 = var_38; [L152] state_39 = init_40_arg_1 [L153] SORT_1 init_42_arg_1 = var_38; [L154] state_41 = init_42_arg_1 [L155] SORT_1 init_44_arg_1 = var_38; [L156] state_43 = init_44_arg_1 [L157] SORT_1 init_46_arg_1 = var_38; [L158] state_45 = init_46_arg_1 [L159] SORT_1 init_48_arg_1 = var_38; [L160] state_47 = init_48_arg_1 [L161] SORT_1 init_50_arg_1 = var_38; [L162] state_49 = init_50_arg_1 [L163] SORT_1 init_52_arg_1 = var_38; [L164] state_51 = init_52_arg_1 [L165] SORT_1 init_54_arg_1 = var_38; [L166] state_53 = init_54_arg_1 [L167] SORT_1 init_56_arg_1 = var_38; [L168] state_55 = init_56_arg_1 [L169] SORT_1 init_58_arg_1 = var_38; [L170] state_57 = init_58_arg_1 [L171] SORT_1 init_60_arg_1 = var_38; [L172] state_59 = init_60_arg_1 [L173] SORT_1 init_62_arg_1 = var_38; [L174] state_61 = init_62_arg_1 [L175] SORT_1 init_64_arg_1 = var_38; [L176] state_63 = init_64_arg_1 [L177] SORT_1 init_66_arg_1 = var_38; [L178] state_65 = init_66_arg_1 [L179] SORT_1 init_68_arg_1 = var_38; [L180] state_67 = init_68_arg_1 [L181] SORT_1 init_70_arg_1 = var_38; [L182] state_69 = init_70_arg_1 [L183] SORT_1 init_72_arg_1 = var_38; [L184] state_71 = init_72_arg_1 [L185] SORT_1 init_74_arg_1 = var_38; [L186] state_73 = init_74_arg_1 [L187] SORT_1 init_76_arg_1 = var_38; [L188] state_75 = init_76_arg_1 [L189] SORT_1 init_78_arg_1 = var_38; [L190] state_77 = init_78_arg_1 [L191] SORT_1 init_80_arg_1 = var_38; [L192] state_79 = init_80_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, var_115=0, var_120=3, var_126=2, var_132=1, var_156=2, var_170=3, var_313=4, var_338=4, var_81=1, var_82=0, var_94=0] [L195] input_93 = __VERIFIER_nondet_uchar() [L196] EXPR input_93 & mask_SORT_1 [L196] input_93 = input_93 & mask_SORT_1 [L197] input_95 = __VERIFIER_nondet_uchar() [L198] EXPR input_95 & mask_SORT_1 [L198] input_95 = input_95 & mask_SORT_1 [L199] input_99 = __VERIFIER_nondet_uchar() [L200] EXPR input_99 & mask_SORT_1 [L200] input_99 = input_99 & mask_SORT_1 [L201] input_100 = __VERIFIER_nondet_uchar() [L202] EXPR input_100 & mask_SORT_1 [L202] input_100 = input_100 & mask_SORT_1 [L203] input_104 = __VERIFIER_nondet_uchar() [L204] EXPR input_104 & mask_SORT_1 [L204] input_104 = input_104 & mask_SORT_1 [L205] input_105 = __VERIFIER_nondet_uchar() [L206] EXPR input_105 & mask_SORT_1 [L206] input_105 = input_105 & mask_SORT_1 [L207] input_109 = __VERIFIER_nondet_uchar() [L208] EXPR input_109 & mask_SORT_1 [L208] input_109 = input_109 & mask_SORT_1 [L209] input_110 = __VERIFIER_nondet_uchar() [L210] EXPR input_110 & mask_SORT_1 [L210] input_110 = input_110 & mask_SORT_1 [L211] input_114 = __VERIFIER_nondet_uchar() [L212] EXPR input_114 & mask_SORT_1 [L212] input_114 = input_114 & mask_SORT_1 [L213] input_121 = __VERIFIER_nondet_uchar() [L214] EXPR input_121 & mask_SORT_1 [L214] input_121 = input_121 & mask_SORT_1 [L215] input_127 = __VERIFIER_nondet_uchar() [L216] EXPR input_127 & mask_SORT_1 [L216] input_127 = input_127 & mask_SORT_1 [L217] input_133 = __VERIFIER_nondet_uchar() [L218] EXPR input_133 & mask_SORT_1 [L218] input_133 = input_133 & mask_SORT_1 [L219] input_184 = __VERIFIER_nondet_uchar() [L220] EXPR input_184 & mask_SORT_1 [L220] input_184 = input_184 & mask_SORT_1 [L221] input_187 = __VERIFIER_nondet_uchar() [L222] EXPR input_187 & mask_SORT_1 [L222] input_187 = input_187 & mask_SORT_1 [L223] input_191 = __VERIFIER_nondet_uchar() [L224] EXPR input_191 & mask_SORT_1 [L224] input_191 = input_191 & mask_SORT_1 [L225] input_198 = __VERIFIER_nondet_uchar() [L226] EXPR input_198 & mask_SORT_1 [L226] input_198 = input_198 & mask_SORT_1 [L227] input_201 = __VERIFIER_nondet_uchar() [L228] EXPR input_201 & mask_SORT_1 [L228] input_201 = input_201 & mask_SORT_1 [L229] input_205 = __VERIFIER_nondet_uchar() [L230] EXPR input_205 & mask_SORT_1 [L230] input_205 = input_205 & mask_SORT_1 [L231] input_212 = __VERIFIER_nondet_uchar() [L232] EXPR input_212 & mask_SORT_1 [L232] input_212 = input_212 & mask_SORT_1 [L233] input_215 = __VERIFIER_nondet_uchar() [L234] EXPR input_215 & mask_SORT_1 [L234] input_215 = input_215 & mask_SORT_1 [L235] input_219 = __VERIFIER_nondet_uchar() [L236] EXPR input_219 & mask_SORT_1 [L236] input_219 = input_219 & mask_SORT_1 [L237] input_226 = __VERIFIER_nondet_uchar() [L238] EXPR input_226 & mask_SORT_1 [L238] input_226 = input_226 & mask_SORT_1 [L239] input_229 = __VERIFIER_nondet_uchar() [L240] EXPR input_229 & mask_SORT_1 [L240] input_229 = input_229 & mask_SORT_1 [L241] input_233 = __VERIFIER_nondet_uchar() [L242] EXPR input_233 & mask_SORT_1 [L242] input_233 = input_233 & mask_SORT_1 [L243] input_243 = __VERIFIER_nondet_uchar() [L244] input_261 = __VERIFIER_nondet_uchar() [L245] input_279 = __VERIFIER_nondet_uchar() [L246] input_297 = __VERIFIER_nondet_uchar() [L249] SORT_1 var_83_arg_0 = state_41; [L250] SORT_4 var_83_arg_1 = var_81; [L251] SORT_4 var_83_arg_2 = var_82; [L252] SORT_4 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L253] SORT_1 var_84_arg_0 = state_51; [L254] SORT_4 var_84_arg_1 = var_81; [L255] SORT_4 var_84_arg_2 = var_82; [L256] SORT_4 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L257] SORT_4 var_85_arg_0 = var_83; [L258] SORT_4 var_85_arg_1 = var_84; [L259] SORT_4 var_85 = var_85_arg_0 + var_85_arg_1; [L260] SORT_1 var_86_arg_0 = state_61; [L261] SORT_4 var_86_arg_1 = var_81; [L262] SORT_4 var_86_arg_2 = var_82; [L263] SORT_4 var_86 = var_86_arg_0 ? var_86_arg_1 : var_86_arg_2; [L264] SORT_4 var_87_arg_0 = var_85; [L265] SORT_4 var_87_arg_1 = var_86; [L266] SORT_4 var_87 = var_87_arg_0 + var_87_arg_1; [L267] SORT_1 var_88_arg_0 = state_71; [L268] SORT_4 var_88_arg_1 = var_81; [L269] SORT_4 var_88_arg_2 = var_82; [L270] SORT_4 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L271] SORT_4 var_89_arg_0 = var_87; [L272] SORT_4 var_89_arg_1 = var_88; [L273] SORT_4 var_89 = var_89_arg_0 + var_89_arg_1; [L274] EXPR var_89 & mask_SORT_4 [L274] var_89 = var_89 & mask_SORT_4 [L275] SORT_4 var_90_arg_0 = var_89; [L276] SORT_4 var_90_arg_1 = var_81; [L277] SORT_1 var_90 = var_90_arg_0 <= var_90_arg_1; [L278] SORT_1 var_91_arg_0 = ~state_79; [L279] EXPR var_91_arg_0 & mask_SORT_1 [L279] var_91_arg_0 = var_91_arg_0 & mask_SORT_1 [L280] SORT_1 var_91_arg_1 = ~var_90; [L281] EXPR var_91_arg_1 & mask_SORT_1 [L281] var_91_arg_1 = var_91_arg_1 & mask_SORT_1 [L282] EXPR var_91_arg_0 & var_91_arg_1 [L282] SORT_1 var_91 = var_91_arg_0 & var_91_arg_1; [L283] EXPR var_91 & mask_SORT_1 [L283] var_91 = var_91 & mask_SORT_1 [L284] SORT_1 bad_92_arg_0 = var_91; [L285] CALL __VERIFIER_assert(!(bad_92_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 05:30:18,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje --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 64bit --witnessprinter.graph.data.programhash e56bfcce592ee438a8dcd57012297d0f9066f8ae463294371e7cc9345663ecd7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:30:21,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:30:21,452 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 05:30:21,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:30:21,459 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:30:21,508 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:30:21,509 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:30:21,509 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:30:21,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:30:21,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:30:21,513 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:30:21,513 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:30:21,514 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:30:21,514 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:30:21,515 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:30:21,517 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:30:21,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:30:21,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:30:21,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:30:21,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:30:21,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:30:21,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:30:21,526 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:30:21,526 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:30:21,526 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:30:21,527 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:30:21,527 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:30:21,527 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:30:21,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:30:21,528 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:30:21,528 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:30:21,531 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:30:21,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:30:21,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:30:21,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:30:21,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:30:21,532 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:30:21,533 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:30:21,533 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:30:21,533 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:30:21,534 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e56bfcce592ee438a8dcd57012297d0f9066f8ae463294371e7cc9345663ecd7 [2024-11-09 05:30:21,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:30:22,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:30:22,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:30:22,037 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:30:22,038 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:30:22,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-func-interl.c Unable to find full path for "g++" [2024-11-09 05:30:24,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:30:24,914 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:30:24,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-func-interl.c [2024-11-09 05:30:24,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/data/8b8896aab/82c82cbee9b44c7396324d7a32f5531a/FLAG10be21c87 [2024-11-09 05:30:24,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/data/8b8896aab/82c82cbee9b44c7396324d7a32f5531a [2024-11-09 05:30:24,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:30:24,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:30:24,987 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:30:24,988 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:30:24,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:30:24,997 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:30:24" (1/1) ... [2024-11-09 05:30:24,999 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ba0d89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:24, skipping insertion in model container [2024-11-09 05:30:24,999 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:30:24" (1/1) ... [2024-11-09 05:30:25,114 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:30:25,484 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_f894a3c6-a16f-4b16-ab94-43fbec2bd827/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-func-interl.c[1175,1188] [2024-11-09 05:30:25,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:30:26,037 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:30:26,054 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_f894a3c6-a16f-4b16-ab94-43fbec2bd827/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.5.prop1-func-interl.c[1175,1188] [2024-11-09 05:30:26,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:30:26,290 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:30:26,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:26 WrapperNode [2024-11-09 05:30:26,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:30:26,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:30:26,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:30:26,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:30:26,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:26" (1/1) ... [2024-11-09 05:30:26,371 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:26" (1/1) ... [2024-11-09 05:30:26,526 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2125 [2024-11-09 05:30:26,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:30:26,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:30:26,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:30:26,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:30:26,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:26" (1/1) ... [2024-11-09 05:30:26,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:26" (1/1) ... [2024-11-09 05:30:26,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:26" (1/1) ... [2024-11-09 05:30:26,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:26" (1/1) ... [2024-11-09 05:30:26,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:26" (1/1) ... [2024-11-09 05:30:26,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:26" (1/1) ... [2024-11-09 05:30:26,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:26" (1/1) ... [2024-11-09 05:30:26,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:26" (1/1) ... [2024-11-09 05:30:26,662 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:30:26,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:30:26,666 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:30:26,667 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:30:26,668 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:26" (1/1) ... [2024-11-09 05:30:26,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:30:26,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:30:26,714 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:30:26,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:30:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:30:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:30:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:30:26,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:30:27,390 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:30:27,393 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:30:30,709 INFO L? ?]: Removed 109 outVars from TransFormulas that were not future-live. [2024-11-09 05:30:30,709 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:30:30,726 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:30:30,726 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:30:30,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:30:30 BoogieIcfgContainer [2024-11-09 05:30:30,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:30:30,730 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:30:30,731 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:30:30,736 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:30:30,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:30:24" (1/3) ... [2024-11-09 05:30:30,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4780fb7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:30:30, skipping insertion in model container [2024-11-09 05:30:30,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:26" (2/3) ... [2024-11-09 05:30:30,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4780fb7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:30:30, skipping insertion in model container [2024-11-09 05:30:30,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:30:30" (3/3) ... [2024-11-09 05:30:30,741 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.peterson.5.prop1-func-interl.c [2024-11-09 05:30:30,763 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:30:30,763 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:30:30,832 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:30:30,841 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;@62d31811, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:30:30,841 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:30:30,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2024-11-09 05:30:30,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 05:30:30,853 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:30:30,854 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 05:30:30,854 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:30:30,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:30:30,861 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-09 05:30:30,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:30:30,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [180193793] [2024-11-09 05:30:30,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:30:30,878 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:30:30,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:30:30,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:30:30,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-09 05:30:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:30:31,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-09 05:30:31,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:30:32,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:30:32,090 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:30:32,093 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:30:32,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [180193793] [2024-11-09 05:30:32,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [180193793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:30:32,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:30:32,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:30:32,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892130686] [2024-11-09 05:30:32,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:30:32,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:30:32,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:30:32,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:30:32,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:30:32,145 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-09 05:30:32,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:30:32,493 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions. [2024-11-09 05:30:32,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:30:32,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2024-11-09 05:30:32,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:30:32,502 INFO L225 Difference]: With dead ends: 19 [2024-11-09 05:30:32,503 INFO L226 Difference]: Without dead ends: 10 [2024-11-09 05:30:32,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 05:30:32,509 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:30:32,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 05:30:32,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-09 05:30:32,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-09 05:30:32,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2024-11-09 05:30:32,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-09 05:30:32,547 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-09 05:30:32,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:30:32,547 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-09 05:30:32,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-09 05:30:32,548 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-09 05:30:32,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 05:30:32,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:30:32,549 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 05:30:32,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 05:30:32,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:30:32,753 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:30:32,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:30:32,754 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-09 05:30:32,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:30:32,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [365578660] [2024-11-09 05:30:32,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:30:32,756 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-09 05:30:32,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:30:32,759 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-09 05:30:32,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f894a3c6-a16f-4b16-ab94-43fbec2bd827/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-09 05:30:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:30:33,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-09 05:30:33,703 INFO L278 TraceCheckSpWp]: Computing forward predicates...