./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ccbe37af33ae8032e791d10d920e8bd41c9ed3704f26d632f11813aa9bc9048f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 19:05:49,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:05:49,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:05:49,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:05:49,939 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:05:49,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:05:49,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:05:49,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:05:49,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:05:49,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:05:49,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:05:49,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:05:49,944 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:05:49,945 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:05:49,946 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:05:49,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:05:49,947 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:05:49,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:05:49,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:05:49,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:05:49,950 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:05:49,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:05:49,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:05:49,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:05:49,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:05:49,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:05:49,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:05:49,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:05:49,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:05:49,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:05:49,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:05:49,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:05:49,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:05:49,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:05:49,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:05:49,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:05:49,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:05:49,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:05:49,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:05:49,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:05:49,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:05:49,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-12-14 19:05:49,980 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:05:49,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:05:49,981 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:05:49,981 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:05:49,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:05:49,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:05:49,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:05:49,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:05:49,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:05:49,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:05:49,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:05:49,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:05:49,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:05:49,987 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:05:49,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:05:49,987 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:05:49,987 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:05:49,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:05:49,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:05:49,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:05:49,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:05:49,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:05:49,988 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:05:49,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:05:49,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:05:49,989 INFO L138 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_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccbe37af33ae8032e791d10d920e8bd41c9ed3704f26d632f11813aa9bc9048f [2022-12-14 19:05:50,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:05:50,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:05:50,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:05:50,163 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:05:50,164 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:05:50,165 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-back-serstep.c [2022-12-14 19:05:52,756 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:05:53,008 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:05:53,009 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-back-serstep.c [2022-12-14 19:05:53,024 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/data/cfe435664/b95219bc3cb04ac29edba85eaa09cda5/FLAG06537ef77 [2022-12-14 19:05:53,038 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/data/cfe435664/b95219bc3cb04ac29edba85eaa09cda5 [2022-12-14 19:05:53,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:05:53,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:05:53,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:05:53,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:05:53,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:05:53,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:05:53" (1/1) ... [2022-12-14 19:05:53,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69039224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:53, skipping insertion in model container [2022-12-14 19:05:53,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:05:53" (1/1) ... [2022-12-14 19:05:53,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:05:53,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:05:53,285 WARN L237 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_53b138c7-7fec-4bf8-86f4-993fce8ca728/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-back-serstep.c[1014,1027] [2022-12-14 19:05:53,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:05:53,577 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:05:53,585 WARN L237 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_53b138c7-7fec-4bf8-86f4-993fce8ca728/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-back-serstep.c[1014,1027] [2022-12-14 19:05:53,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:05:53,683 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:05:53,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:53 WrapperNode [2022-12-14 19:05:53,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:05:53,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:05:53,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:05:53,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:05:53,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:53" (1/1) ... [2022-12-14 19:05:53,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:53" (1/1) ... [2022-12-14 19:05:53,893 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2959 [2022-12-14 19:05:53,894 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:05:53,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:05:53,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:05:53,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:05:53,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:53" (1/1) ... [2022-12-14 19:05:53,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:53" (1/1) ... [2022-12-14 19:05:53,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:53" (1/1) ... [2022-12-14 19:05:53,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:53" (1/1) ... [2022-12-14 19:05:53,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:53" (1/1) ... [2022-12-14 19:05:53,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:53" (1/1) ... [2022-12-14 19:05:53,995 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:53" (1/1) ... [2022-12-14 19:05:54,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:53" (1/1) ... [2022-12-14 19:05:54,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:05:54,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:05:54,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:05:54,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:05:54,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:05:53" (1/1) ... [2022-12-14 19:05:54,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:05:54,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:05:54,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:05:54,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:05:54,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:05:54,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:05:54,444 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:05:54,446 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:15:34,740 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:15:34,767 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:15:34,767 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 19:15:34,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:15:34 BoogieIcfgContainer [2022-12-14 19:15:34,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:15:34,769 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:15:34,769 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:15:34,776 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:15:34,777 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:15:34" (1/1) ... [2022-12-14 19:15:34,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:15:34,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:15:34,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-14 19:15:34,820 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-14 19:15:34,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 19:15:34,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:15:34,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:15:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:15:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:15:47,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:15:57,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 19:15:59,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 19:16:01,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 19:16:03,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 19:16:03,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:16:03,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-12-14 19:16:03,753 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-12-14 19:16:03,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 19:16:03,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:16:03,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:16:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-12-14 19:16:15,215 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 19:16:15,219 INFO L158 Benchmark]: Toolchain (without parser) took 622176.43ms. Allocated memory was 121.6MB in the beginning and 901.8MB in the end (delta: 780.1MB). Free memory was 82.8MB in the beginning and 297.9MB in the end (delta: -215.1MB). Peak memory consumption was 567.5MB. Max. memory is 16.1GB. [2022-12-14 19:16:15,219 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:16:15,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 640.17ms. Allocated memory is still 121.6MB. Free memory was 82.4MB in the beginning and 45.5MB in the end (delta: 36.9MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2022-12-14 19:16:15,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 209.88ms. Allocated memory was 121.6MB in the beginning and 151.0MB in the end (delta: 29.4MB). Free memory was 45.5MB in the beginning and 72.4MB in the end (delta: -26.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2022-12-14 19:16:15,220 INFO L158 Benchmark]: Boogie Preprocessor took 144.62ms. Allocated memory is still 151.0MB. Free memory was 72.4MB in the beginning and 56.3MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 19:16:15,221 INFO L158 Benchmark]: RCFGBuilder took 580729.26ms. Allocated memory was 151.0MB in the beginning and 901.8MB in the end (delta: 750.8MB). Free memory was 56.3MB in the beginning and 368.6MB in the end (delta: -312.3MB). Peak memory consumption was 526.6MB. Max. memory is 16.1GB. [2022-12-14 19:16:15,222 INFO L158 Benchmark]: CodeCheck took 40448.55ms. Allocated memory is still 901.8MB. Free memory was 368.6MB in the beginning and 297.9MB in the end (delta: 70.7MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. [2022-12-14 19:16:15,224 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 640.17ms. Allocated memory is still 121.6MB. Free memory was 82.4MB in the beginning and 45.5MB in the end (delta: 36.9MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 209.88ms. Allocated memory was 121.6MB in the beginning and 151.0MB in the end (delta: 29.4MB). Free memory was 45.5MB in the beginning and 72.4MB in the end (delta: -26.9MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 144.62ms. Allocated memory is still 151.0MB. Free memory was 72.4MB in the beginning and 56.3MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 580729.26ms. Allocated memory was 151.0MB in the beginning and 901.8MB in the end (delta: 750.8MB). Free memory was 56.3MB in the beginning and 368.6MB in the end (delta: -312.3MB). Peak memory consumption was 526.6MB. Max. memory is 16.1GB. * CodeCheck took 40448.55ms. Allocated memory is still 901.8MB. Free memory was 368.6MB in the beginning and 297.9MB in the end (delta: 70.7MB). Peak memory consumption was 72.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 19:16:15,433 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2022-12-14 19:16:15,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ccbe37af33ae8032e791d10d920e8bd41c9ed3704f26d632f11813aa9bc9048f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 19:16:16,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:16:16,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:16:16,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:16:16,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:16:16,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:16:16,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:16:16,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:16:16,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:16:16,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:16:16,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:16:16,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:16:16,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:16:16,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:16:16,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:16:16,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:16:16,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:16:16,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:16:16,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:16:16,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:16:16,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:16:16,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:16:16,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:16:16,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:16:16,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:16:16,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:16:16,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:16:16,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:16:16,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:16:16,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:16:16,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:16:16,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:16:16,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:16:16,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:16:16,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:16:16,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:16:16,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:16:16,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:16:16,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:16:16,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:16:16,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:16:16,903 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-12-14 19:16:16,925 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:16:16,925 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:16:16,926 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:16:16,926 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:16:16,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:16:16,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:16:16,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:16:16,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:16:16,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:16:16,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:16:16,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:16:16,928 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 19:16:16,928 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 19:16:16,928 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 19:16:16,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:16:16,929 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:16:16,929 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:16:16,929 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:16:16,929 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:16:16,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:16:16,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:16:16,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:16:16,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:16:16,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:16:16,930 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 19:16:16,930 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 19:16:16,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:16:16,930 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 19:16:16,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 19:16:16,930 INFO L138 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_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccbe37af33ae8032e791d10d920e8bd41c9ed3704f26d632f11813aa9bc9048f [2022-12-14 19:16:17,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:16:17,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:16:17,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:16:17,200 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:16:17,201 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:16:17,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-back-serstep.c [2022-12-14 19:16:19,807 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:16:20,107 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:16:20,108 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-back-serstep.c [2022-12-14 19:16:20,121 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/data/9b92d1153/68e4ba6fbd5e4348b3c884301c044b21/FLAG7df2cd50f [2022-12-14 19:16:20,133 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/data/9b92d1153/68e4ba6fbd5e4348b3c884301c044b21 [2022-12-14 19:16:20,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:16:20,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:16:20,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:16:20,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:16:20,139 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:16:20,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:16:20" (1/1) ... [2022-12-14 19:16:20,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7810a618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:20, skipping insertion in model container [2022-12-14 19:16:20,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:16:20" (1/1) ... [2022-12-14 19:16:20,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:16:20,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:16:20,320 WARN L237 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_53b138c7-7fec-4bf8-86f4-993fce8ca728/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-back-serstep.c[1014,1027] [2022-12-14 19:16:20,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:16:20,552 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:16:20,562 WARN L237 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_53b138c7-7fec-4bf8-86f4-993fce8ca728/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.2.prop1-back-serstep.c[1014,1027] [2022-12-14 19:16:20,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:16:20,700 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:16:20,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:20 WrapperNode [2022-12-14 19:16:20,701 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:16:20,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:16:20,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:16:20,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:16:20,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:20" (1/1) ... [2022-12-14 19:16:20,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:20" (1/1) ... [2022-12-14 19:16:20,807 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2959 [2022-12-14 19:16:20,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:16:20,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:16:20,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:16:20,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:16:20,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:20" (1/1) ... [2022-12-14 19:16:20,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:20" (1/1) ... [2022-12-14 19:16:20,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:20" (1/1) ... [2022-12-14 19:16:20,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:20" (1/1) ... [2022-12-14 19:16:20,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:20" (1/1) ... [2022-12-14 19:16:20,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:20" (1/1) ... [2022-12-14 19:16:20,879 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:20" (1/1) ... [2022-12-14 19:16:20,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:20" (1/1) ... [2022-12-14 19:16:20,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:16:20,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:16:20,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:16:20,917 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:16:20,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:16:20" (1/1) ... [2022-12-14 19:16:20,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:16:20,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:16:20,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:16:20,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:16:20,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:16:20,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:16:21,359 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:16:21,361 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:16:24,251 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:16:24,281 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:16:24,281 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 19:16:24,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:16:24 BoogieIcfgContainer [2022-12-14 19:16:24,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:16:24,284 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:16:24,284 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:16:24,291 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:16:24,291 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:16:24" (1/1) ... [2022-12-14 19:16:24,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:16:24,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:16:24,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-14 19:16:24,336 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-14 19:16:24,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 19:16:24,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:16:24,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:16:24,370 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 19:16:24,372 INFO L158 Benchmark]: Toolchain (without parser) took 4235.75ms. Allocated memory was 69.2MB in the beginning and 308.3MB in the end (delta: 239.1MB). Free memory was 43.6MB in the beginning and 149.7MB in the end (delta: -106.0MB). Peak memory consumption was 133.8MB. Max. memory is 16.1GB. [2022-12-14 19:16:24,373 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:16:24,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 564.42ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 43.4MB in the beginning and 45.1MB in the end (delta: -1.7MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2022-12-14 19:16:24,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.56ms. Allocated memory is still 88.1MB. Free memory was 45.1MB in the beginning and 40.6MB in the end (delta: 4.5MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2022-12-14 19:16:24,374 INFO L158 Benchmark]: Boogie Preprocessor took 107.61ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 40.6MB in the beginning and 57.2MB in the end (delta: -16.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-14 19:16:24,374 INFO L158 Benchmark]: RCFGBuilder took 3366.76ms. Allocated memory was 107.0MB in the beginning and 308.3MB in the end (delta: 201.3MB). Free memory was 57.2MB in the beginning and 155.0MB in the end (delta: -97.8MB). Peak memory consumption was 170.5MB. Max. memory is 16.1GB. [2022-12-14 19:16:24,375 INFO L158 Benchmark]: CodeCheck took 87.76ms. Allocated memory is still 308.3MB. Free memory was 155.0MB in the beginning and 149.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-14 19:16:24,377 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 564.42ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 43.4MB in the beginning and 45.1MB in the end (delta: -1.7MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.56ms. Allocated memory is still 88.1MB. Free memory was 45.1MB in the beginning and 40.6MB in the end (delta: 4.5MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.61ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 40.6MB in the beginning and 57.2MB in the end (delta: -16.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3366.76ms. Allocated memory was 107.0MB in the beginning and 308.3MB in the end (delta: 201.3MB). Free memory was 57.2MB in the beginning and 155.0MB in the end (delta: -97.8MB). Peak memory consumption was 170.5MB. Max. memory is 16.1GB. * CodeCheck took 87.76ms. Allocated memory is still 308.3MB. Free memory was 155.0MB in the beginning and 149.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 19:16:24,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_53b138c7-7fec-4bf8-86f4-993fce8ca728/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared