./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2 --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 8fc3a6d3b0b1431172e0209b0b104a00aac0d094097ed1d14b47359031b0c40e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:37:34,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:37:34,848 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:37:34,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:37:34,856 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:37:34,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:37:34,889 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:37:34,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:37:34,890 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:37:34,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:37:34,891 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:37:34,892 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:37:34,893 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:37:34,897 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:37:34,897 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:37:34,898 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:37:34,898 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:37:34,898 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:37:34,899 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:37:34,899 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:37:34,899 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:37:34,901 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:37:34,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:37:34,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:37:34,902 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:37:34,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:37:34,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:37:34,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:37:34,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:37:34,904 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:37:34,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:37:34,906 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:37:34,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:37:34,907 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:37:34,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:37:34,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:37:34,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:37:34,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:37:34,908 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:37:34,908 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:37:34,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:37:34,909 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:37:34,909 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:37:34,909 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:37:34,910 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_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fc3a6d3b0b1431172e0209b0b104a00aac0d094097ed1d14b47359031b0c40e [2024-11-02 12:37:35,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:37:35,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:37:35,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:37:35,269 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:37:35,269 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:37:35,271 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c Unable to find full path for "g++" [2024-11-02 12:37:37,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:37:37,891 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:37:37,892 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c [2024-11-02 12:37:37,928 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/data/3f4397618/96718a7c5f954737b2481460431c222d/FLAG66a20778c [2024-11-02 12:37:37,947 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/data/3f4397618/96718a7c5f954737b2481460431c222d [2024-11-02 12:37:37,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:37:37,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:37:37,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:37:37,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:37:37,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:37:37,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:37:37" (1/1) ... [2024-11-02 12:37:37,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f31e4df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:37, skipping insertion in model container [2024-11-02 12:37:37,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:37:37" (1/1) ... [2024-11-02 12:37:38,051 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:37:38,371 WARN L251 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_cdd5a065-24df-4afc-ae79-3a205a6a1110/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c[1175,1188] [2024-11-02 12:37:39,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:37:39,038 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:37:39,051 WARN L251 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_cdd5a065-24df-4afc-ae79-3a205a6a1110/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c[1175,1188] [2024-11-02 12:37:39,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:37:39,361 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:37:39,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:39 WrapperNode [2024-11-02 12:37:39,362 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:37:39,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:37:39,364 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:37:39,364 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:37:39,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:39" (1/1) ... [2024-11-02 12:37:39,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:39" (1/1) ... [2024-11-02 12:37:40,082 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4886 [2024-11-02 12:37:40,082 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:37:40,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:37:40,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:37:40,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:37:40,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:39" (1/1) ... [2024-11-02 12:37:40,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:39" (1/1) ... [2024-11-02 12:37:40,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:39" (1/1) ... [2024-11-02 12:37:40,193 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:39" (1/1) ... [2024-11-02 12:37:40,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:39" (1/1) ... [2024-11-02 12:37:40,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:39" (1/1) ... [2024-11-02 12:37:40,597 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:39" (1/1) ... [2024-11-02 12:37:40,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:39" (1/1) ... [2024-11-02 12:37:40,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:37:40,701 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:37:40,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:37:40,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:37:40,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:39" (1/1) ... [2024-11-02 12:37:40,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:37:40,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:37:40,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:37:40,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:37:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:37:40,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:37:40,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:37:40,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:37:41,265 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:37:41,268 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:37:48,167 INFO L? ?]: Removed 2720 outVars from TransFormulas that were not future-live. [2024-11-02 12:37:48,168 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:37:57,759 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:37:57,760 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:37:57,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:37:57 BoogieIcfgContainer [2024-11-02 12:37:57,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:37:57,763 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:37:57,763 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:37:57,767 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:37:57,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:37:37" (1/3) ... [2024-11-02 12:37:57,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1974e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:37:57, skipping insertion in model container [2024-11-02 12:37:57,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:37:39" (2/3) ... [2024-11-02 12:37:57,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e1974e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:37:57, skipping insertion in model container [2024-11-02 12:37:57,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:37:57" (3/3) ... [2024-11-02 12:37:57,770 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.peterson.3.prop1-func-interl.c [2024-11-02 12:37:57,796 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:37:57,796 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:37:57,865 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:37:57,871 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;@70517d95, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:37:57,872 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:37:57,876 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) [2024-11-02 12:37:57,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-02 12:37:57,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:37:57,886 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-02 12:37:57,886 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:37:57,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:37:57,893 INFO L85 PathProgramCache]: Analyzing trace with hash 244957342, now seen corresponding path program 1 times [2024-11-02 12:37:57,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:37:57,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127118992] [2024-11-02 12:37:57,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:37:57,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:37:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:37:58,813 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:37:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:37:59,239 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:37:59,241 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:37:59,243 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:37:59,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:37:59,250 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:37:59,303 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:37:59,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:37:59 BoogieIcfgContainer [2024-11-02 12:37:59,312 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:37:59,313 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:37:59,313 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:37:59,314 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:37:59,314 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:37:57" (3/4) ... [2024-11-02 12:37:59,317 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:37:59,319 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:37:59,320 INFO L158 Benchmark]: Toolchain (without parser) took 21367.76ms. Allocated memory was 153.1MB in the beginning and 2.0GB in the end (delta: 1.8GB). Free memory was 108.5MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 385.3MB. Max. memory is 16.1GB. [2024-11-02 12:37:59,321 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 153.1MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:37:59,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1407.52ms. Allocated memory was 153.1MB in the beginning and 237.0MB in the end (delta: 83.9MB). Free memory was 108.3MB in the beginning and 180.3MB in the end (delta: -72.1MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. [2024-11-02 12:37:59,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 719.06ms. Allocated memory is still 237.0MB. Free memory was 180.3MB in the beginning and 104.1MB in the end (delta: 76.2MB). Peak memory consumption was 117.1MB. Max. memory is 16.1GB. [2024-11-02 12:37:59,323 INFO L158 Benchmark]: Boogie Preprocessor took 617.20ms. Allocated memory is still 237.0MB. Free memory was 104.1MB in the beginning and 89.9MB in the end (delta: 14.2MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2024-11-02 12:37:59,324 INFO L158 Benchmark]: RCFGBuilder took 17059.70ms. Allocated memory was 237.0MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 89.9MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 675.3MB. Max. memory is 16.1GB. [2024-11-02 12:37:59,325 INFO L158 Benchmark]: TraceAbstraction took 1549.21ms. Allocated memory is still 2.0GB. Free memory was 1.7GB in the beginning and 1.5GB in the end (delta: 119.5MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. [2024-11-02 12:37:59,327 INFO L158 Benchmark]: Witness Printer took 6.28ms. Allocated memory is still 2.0GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-02 12:37:59,332 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 153.1MB. Free memory is still 123.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1407.52ms. Allocated memory was 153.1MB in the beginning and 237.0MB in the end (delta: 83.9MB). Free memory was 108.3MB in the beginning and 180.3MB in the end (delta: -72.1MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 719.06ms. Allocated memory is still 237.0MB. Free memory was 180.3MB in the beginning and 104.1MB in the end (delta: 76.2MB). Peak memory consumption was 117.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 617.20ms. Allocated memory is still 237.0MB. Free memory was 104.1MB in the beginning and 89.9MB in the end (delta: 14.2MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * RCFGBuilder took 17059.70ms. Allocated memory was 237.0MB in the beginning and 2.0GB in the end (delta: 1.7GB). Free memory was 89.9MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 675.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1549.21ms. Allocated memory is still 2.0GB. Free memory was 1.7GB in the beginning and 1.5GB in the end (delta: 119.5MB). Peak memory consumption was 119.5MB. Max. memory is 16.1GB. * Witness Printer took 6.28ms. Allocated memory is still 2.0GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 160. 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_30 = 0; [L40] const SORT_4 var_63 = 1; [L41] const SORT_4 var_64 = 0; [L42] const SORT_2 var_74 = 0; [L43] const SORT_3 var_90 = 0; [L44] const SORT_2 var_95 = 2; [L45] const SORT_2 var_101 = 1; [L46] const SORT_4 var_121 = 2; [L47] const SORT_4 var_229 = 3; [L48] const SORT_2 var_251 = 3; [L50] SORT_1 input_73; [L51] SORT_1 input_75; [L52] SORT_1 input_79; [L53] SORT_1 input_80; [L54] SORT_1 input_84; [L55] SORT_1 input_85; [L56] SORT_1 input_89; [L57] SORT_1 input_96; [L58] SORT_1 input_102; [L59] SORT_1 input_132; [L60] SORT_1 input_135; [L61] SORT_1 input_139; [L62] SORT_1 input_146; [L63] SORT_1 input_149; [L64] SORT_1 input_153; [L65] SORT_1 input_160; [L66] SORT_1 input_163; [L67] SORT_1 input_167; [L68] SORT_1 input_177; [L69] SORT_1 input_195; [L70] SORT_1 input_213; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L72] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L73] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L74] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L75] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L76] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L77] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L78] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L79] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L80] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L81] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L82] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 [L83] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L88] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L89] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L90] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L91] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L92] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L93] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L94] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L95] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L96] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L97] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L98] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L99] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] SORT_2 init_7_arg_1 = var_5; [L102] state_6 = init_7_arg_1 [L103] SORT_2 init_9_arg_1 = var_5; [L104] state_8 = init_9_arg_1 [L105] SORT_2 init_11_arg_1 = var_5; [L106] state_10 = init_11_arg_1 [L107] SORT_2 init_13_arg_1 = var_5; [L108] state_12 = init_13_arg_1 [L109] SORT_2 init_15_arg_1 = var_5; [L110] state_14 = init_15_arg_1 [L111] SORT_2 init_17_arg_1 = var_5; [L112] state_16 = init_17_arg_1 [L113] SORT_2 init_19_arg_1 = var_5; [L114] state_18 = init_19_arg_1 [L115] SORT_2 init_21_arg_1 = var_5; [L116] state_20 = init_21_arg_1 [L117] SORT_2 init_23_arg_1 = var_5; [L118] state_22 = init_23_arg_1 [L119] SORT_2 init_25_arg_1 = var_5; [L120] state_24 = init_25_arg_1 [L121] SORT_2 init_27_arg_1 = var_5; [L122] state_26 = init_27_arg_1 [L123] SORT_2 init_29_arg_1 = var_5; [L124] state_28 = init_29_arg_1 [L125] SORT_1 init_32_arg_1 = var_30; [L126] state_31 = init_32_arg_1 [L127] SORT_1 init_34_arg_1 = var_30; [L128] state_33 = init_34_arg_1 [L129] SORT_1 init_36_arg_1 = var_30; [L130] state_35 = init_36_arg_1 [L131] SORT_1 init_38_arg_1 = var_30; [L132] state_37 = init_38_arg_1 [L133] SORT_1 init_40_arg_1 = var_30; [L134] state_39 = init_40_arg_1 [L135] SORT_1 init_42_arg_1 = var_30; [L136] state_41 = init_42_arg_1 [L137] SORT_1 init_44_arg_1 = var_30; [L138] state_43 = init_44_arg_1 [L139] SORT_1 init_46_arg_1 = var_30; [L140] state_45 = init_46_arg_1 [L141] SORT_1 init_48_arg_1 = var_30; [L142] state_47 = init_48_arg_1 [L143] SORT_1 init_50_arg_1 = var_30; [L144] state_49 = init_50_arg_1 [L145] SORT_1 init_52_arg_1 = var_30; [L146] state_51 = init_52_arg_1 [L147] SORT_1 init_54_arg_1 = var_30; [L148] state_53 = init_54_arg_1 [L149] SORT_1 init_56_arg_1 = var_30; [L150] state_55 = init_56_arg_1 [L151] SORT_1 init_58_arg_1 = var_30; [L152] state_57 = init_58_arg_1 [L153] SORT_1 init_60_arg_1 = var_30; [L154] state_59 = init_60_arg_1 [L155] SORT_1 init_62_arg_1 = var_30; [L156] state_61 = init_62_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_31=0, state_33=0, state_35=0, state_37=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_6=0, state_8=0, var_101=1, var_121=2, var_229=3, var_251=3, var_63=1, var_64=0, var_74=0, var_90=0, var_95=2] [L159] input_73 = __VERIFIER_nondet_uchar() [L160] EXPR input_73 & mask_SORT_1 [L160] input_73 = input_73 & mask_SORT_1 [L161] input_75 = __VERIFIER_nondet_uchar() [L162] EXPR input_75 & mask_SORT_1 [L162] input_75 = input_75 & mask_SORT_1 [L163] input_79 = __VERIFIER_nondet_uchar() [L164] EXPR input_79 & mask_SORT_1 [L164] input_79 = input_79 & mask_SORT_1 [L165] input_80 = __VERIFIER_nondet_uchar() [L166] EXPR input_80 & mask_SORT_1 [L166] input_80 = input_80 & mask_SORT_1 [L167] input_84 = __VERIFIER_nondet_uchar() [L168] EXPR input_84 & mask_SORT_1 [L168] input_84 = input_84 & mask_SORT_1 [L169] input_85 = __VERIFIER_nondet_uchar() [L170] EXPR input_85 & mask_SORT_1 [L170] input_85 = input_85 & mask_SORT_1 [L171] input_89 = __VERIFIER_nondet_uchar() [L172] EXPR input_89 & mask_SORT_1 [L172] input_89 = input_89 & mask_SORT_1 [L173] input_96 = __VERIFIER_nondet_uchar() [L174] EXPR input_96 & mask_SORT_1 [L174] input_96 = input_96 & mask_SORT_1 [L175] input_102 = __VERIFIER_nondet_uchar() [L176] EXPR input_102 & mask_SORT_1 [L176] input_102 = input_102 & mask_SORT_1 [L177] input_132 = __VERIFIER_nondet_uchar() [L178] EXPR input_132 & mask_SORT_1 [L178] input_132 = input_132 & mask_SORT_1 [L179] input_135 = __VERIFIER_nondet_uchar() [L180] EXPR input_135 & mask_SORT_1 [L180] input_135 = input_135 & mask_SORT_1 [L181] input_139 = __VERIFIER_nondet_uchar() [L182] EXPR input_139 & mask_SORT_1 [L182] input_139 = input_139 & mask_SORT_1 [L183] input_146 = __VERIFIER_nondet_uchar() [L184] EXPR input_146 & mask_SORT_1 [L184] input_146 = input_146 & mask_SORT_1 [L185] input_149 = __VERIFIER_nondet_uchar() [L186] EXPR input_149 & mask_SORT_1 [L186] input_149 = input_149 & mask_SORT_1 [L187] input_153 = __VERIFIER_nondet_uchar() [L188] EXPR input_153 & mask_SORT_1 [L188] input_153 = input_153 & mask_SORT_1 [L189] input_160 = __VERIFIER_nondet_uchar() [L190] EXPR input_160 & mask_SORT_1 [L190] input_160 = input_160 & mask_SORT_1 [L191] input_163 = __VERIFIER_nondet_uchar() [L192] EXPR input_163 & mask_SORT_1 [L192] input_163 = input_163 & mask_SORT_1 [L193] input_167 = __VERIFIER_nondet_uchar() [L194] EXPR input_167 & mask_SORT_1 [L194] input_167 = input_167 & mask_SORT_1 [L195] input_177 = __VERIFIER_nondet_uchar() [L196] input_195 = __VERIFIER_nondet_uchar() [L197] input_213 = __VERIFIER_nondet_uchar() [L200] SORT_1 var_65_arg_0 = state_33; [L201] SORT_4 var_65_arg_1 = var_63; [L202] SORT_4 var_65_arg_2 = var_64; [L203] SORT_4 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L204] SORT_1 var_66_arg_0 = state_43; [L205] SORT_4 var_66_arg_1 = var_63; [L206] SORT_4 var_66_arg_2 = var_64; [L207] SORT_4 var_66 = var_66_arg_0 ? var_66_arg_1 : var_66_arg_2; [L208] SORT_4 var_67_arg_0 = var_65; [L209] SORT_4 var_67_arg_1 = var_66; [L210] SORT_4 var_67 = var_67_arg_0 + var_67_arg_1; [L211] SORT_1 var_68_arg_0 = state_53; [L212] SORT_4 var_68_arg_1 = var_63; [L213] SORT_4 var_68_arg_2 = var_64; [L214] SORT_4 var_68 = var_68_arg_0 ? var_68_arg_1 : var_68_arg_2; [L215] SORT_4 var_69_arg_0 = var_67; [L216] SORT_4 var_69_arg_1 = var_68; [L217] SORT_4 var_69 = var_69_arg_0 + var_69_arg_1; [L218] EXPR var_69 & mask_SORT_4 [L218] var_69 = var_69 & mask_SORT_4 [L219] SORT_4 var_70_arg_0 = var_69; [L220] SORT_4 var_70_arg_1 = var_63; [L221] SORT_1 var_70 = var_70_arg_0 <= var_70_arg_1; [L222] SORT_1 var_71_arg_0 = ~state_61; [L223] EXPR var_71_arg_0 & mask_SORT_1 [L223] var_71_arg_0 = var_71_arg_0 & mask_SORT_1 [L224] SORT_1 var_71_arg_1 = ~var_70; [L225] EXPR var_71_arg_1 & mask_SORT_1 [L225] var_71_arg_1 = var_71_arg_1 & mask_SORT_1 [L226] EXPR var_71_arg_0 & var_71_arg_1 [L226] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L227] EXPR var_71 & mask_SORT_1 [L227] var_71 = var_71 & mask_SORT_1 [L228] SORT_1 bad_72_arg_0 = var_71; [L229] CALL __VERIFIER_assert(!(bad_72_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: 1.4s, 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: 0.0s SsaConstructionTime, 0.7s 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 [2024-11-02 12:37:59,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/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 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_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2 --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 8fc3a6d3b0b1431172e0209b0b104a00aac0d094097ed1d14b47359031b0c40e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:38:02,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:38:02,347 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-02 12:38:02,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:38:02,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:38:02,404 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:38:02,405 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:38:02,406 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:38:02,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:38:02,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:38:02,409 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:38:02,409 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:38:02,410 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:38:02,410 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:38:02,411 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:38:02,411 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:38:02,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:38:02,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:38:02,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:38:02,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:38:02,416 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:38:02,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:38:02,419 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:38:02,420 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:38:02,420 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:38:02,420 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:38:02,421 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:38:02,421 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:38:02,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:38:02,422 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:38:02,422 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:38:02,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:38:02,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:38:02,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:38:02,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:38:02,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:38:02,424 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:38:02,424 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:38:02,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:38:02,424 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:38:02,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:38:02,425 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fc3a6d3b0b1431172e0209b0b104a00aac0d094097ed1d14b47359031b0c40e [2024-11-02 12:38:02,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:38:02,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:38:02,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:38:02,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:38:02,887 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:38:02,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdd5a065-24df-4afc-ae79-3a205a6a1110/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.peterson.3.prop1-func-interl.c