./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg --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 d8d47521066b64c3dd20752926e1ed0f109f71af24dbe7d1255c7f065d546fba --- 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-b5237d8 [2022-11-21 23:52:54,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:52:54,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:52:54,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:52:54,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:52:54,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:52:54,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:52:54,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:52:54,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:52:54,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:52:54,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:52:54,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:52:54,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:52:54,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:52:54,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:52:54,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:52:54,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:52:54,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:52:54,809 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:52:54,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:52:54,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:52:54,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:52:54,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:52:54,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:52:54,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:52:54,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:52:54,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:52:54,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:52:54,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:52:54,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:52:54,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:52:54,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:52:54,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:52:54,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:52:54,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:52:54,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:52:54,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:52:54,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:52:54,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:52:54,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:52:54,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:52:54,849 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-21 23:52:54,885 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:52:54,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:52:54,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:52:54,887 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:52:54,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:52:54,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:52:54,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:52:54,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:52:54,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:52:54,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:52:54,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:52:54,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:52:54,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:52:54,891 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:52:54,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:52:54,891 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:52:54,891 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:52:54,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:52:54,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:52:54,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:52:54,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:52:54,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:52:54,893 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:52:54,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:52:54,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:52:54,893 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_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8d47521066b64c3dd20752926e1ed0f109f71af24dbe7d1255c7f065d546fba [2022-11-21 23:52:55,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:52:55,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:52:55,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:52:55,218 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:52:55,218 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:52:55,220 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c [2022-11-21 23:52:58,316 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:52:58,703 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:52:58,704 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c [2022-11-21 23:52:58,721 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/data/7f5bb8573/824d695dbb824c489fd48b38b7d6b97e/FLAG7fe96df13 [2022-11-21 23:52:58,739 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/data/7f5bb8573/824d695dbb824c489fd48b38b7d6b97e [2022-11-21 23:52:58,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:52:58,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:52:58,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:52:58,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:52:58,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:52:58,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:52:58" (1/1) ... [2022-11-21 23:52:58,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21969bc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:58, skipping insertion in model container [2022-11-21 23:52:58,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:52:58" (1/1) ... [2022-11-21 23:52:58,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:52:58,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:52:59,069 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_578babd6-a90f-42ba-af05-1482184c5393/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1014,1027] [2022-11-21 23:52:59,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:52:59,342 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:52:59,353 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_578babd6-a90f-42ba-af05-1482184c5393/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1014,1027] [2022-11-21 23:52:59,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:52:59,510 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:52:59,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:59 WrapperNode [2022-11-21 23:52:59,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:52:59,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:52:59,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:52:59,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:52:59,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:59" (1/1) ... [2022-11-21 23:52:59,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:59" (1/1) ... [2022-11-21 23:52:59,689 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1346 [2022-11-21 23:52:59,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:52:59,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:52:59,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:52:59,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:52:59,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:59" (1/1) ... [2022-11-21 23:52:59,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:59" (1/1) ... [2022-11-21 23:52:59,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:59" (1/1) ... [2022-11-21 23:52:59,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:59" (1/1) ... [2022-11-21 23:52:59,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:59" (1/1) ... [2022-11-21 23:52:59,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:59" (1/1) ... [2022-11-21 23:52:59,766 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:59" (1/1) ... [2022-11-21 23:52:59,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:59" (1/1) ... [2022-11-21 23:52:59,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:52:59,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:52:59,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:52:59,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:52:59,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:59" (1/1) ... [2022-11-21 23:52:59,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:52:59,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:52:59,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:52:59,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:52:59,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:52:59,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:53:00,277 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:53:00,279 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:54:01,472 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:54:01,523 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:54:01,525 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 23:54:01,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:54:01 BoogieIcfgContainer [2022-11-21 23:54:01,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:54:01,530 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:54:01,530 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:54:01,540 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:54:01,540 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:54:01" (1/1) ... [2022-11-21 23:54:01,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:54:01,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:54:01,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-21 23:54:01,611 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-21 23:54:01,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:54:01,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:54:01,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:54:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:54:04,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:54:14,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-21 23:54:24,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-21 23:54:25,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:54:25,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-21 23:54:25,731 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-21 23:54:25,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:54:25,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:54:25,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:54:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:54:59,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 23:55:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 23:55:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-11-21 23:55:42,740 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) [2022-11-21 23:55:42,745 INFO L158 Benchmark]: Toolchain (without parser) took 164000.74ms. Allocated memory was 138.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 94.6MB in the beginning and 558.1MB in the end (delta: -463.6MB). Peak memory consumption was 719.7MB. Max. memory is 16.1GB. [2022-11-21 23:55:42,746 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 107.0MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:55:42,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 764.98ms. Allocated memory is still 138.4MB. Free memory was 94.6MB in the beginning and 71.8MB in the end (delta: 22.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 23:55:42,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 176.52ms. Allocated memory is still 138.4MB. Free memory was 71.8MB in the beginning and 55.2MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 23:55:42,748 INFO L158 Benchmark]: Boogie Preprocessor took 99.19ms. Allocated memory is still 138.4MB. Free memory was 55.2MB in the beginning and 46.9MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 23:55:42,748 INFO L158 Benchmark]: RCFGBuilder took 61737.34ms. Allocated memory was 138.4MB in the beginning and 763.4MB in the end (delta: 625.0MB). Free memory was 46.6MB in the beginning and 310.7MB in the end (delta: -264.2MB). Peak memory consumption was 418.3MB. Max. memory is 16.1GB. [2022-11-21 23:55:42,749 INFO L158 Benchmark]: CodeCheck took 101215.05ms. Allocated memory was 763.4MB in the beginning and 1.3GB in the end (delta: 557.8MB). Free memory was 310.7MB in the beginning and 558.1MB in the end (delta: -247.4MB). Peak memory consumption was 310.4MB. Max. memory is 16.1GB. [2022-11-21 23:55:42,752 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 0.29ms. Allocated memory is still 107.0MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 764.98ms. Allocated memory is still 138.4MB. Free memory was 94.6MB in the beginning and 71.8MB in the end (delta: 22.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 176.52ms. Allocated memory is still 138.4MB. Free memory was 71.8MB in the beginning and 55.2MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.19ms. Allocated memory is still 138.4MB. Free memory was 55.2MB in the beginning and 46.9MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 61737.34ms. Allocated memory was 138.4MB in the beginning and 763.4MB in the end (delta: 625.0MB). Free memory was 46.6MB in the beginning and 310.7MB in the end (delta: -264.2MB). Peak memory consumption was 418.3MB. Max. memory is 16.1GB. * CodeCheck took 101215.05ms. Allocated memory was 763.4MB in the beginning and 1.3GB in the end (delta: 557.8MB). Free memory was 310.7MB in the beginning and 558.1MB in the end (delta: -247.4MB). Peak memory consumption was 310.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:55:42,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/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 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_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg --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 d8d47521066b64c3dd20752926e1ed0f109f71af24dbe7d1255c7f065d546fba --- 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-b5237d8 [2022-11-21 23:55:45,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:55:45,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:55:45,368 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:55:45,369 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:55:45,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:55:45,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:55:45,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:55:45,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:55:45,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:55:45,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:55:45,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:55:45,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:55:45,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:55:45,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:55:45,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:55:45,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:55:45,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:55:45,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:55:45,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:55:45,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:55:45,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:55:45,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:55:45,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:55:45,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:55:45,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:55:45,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:55:45,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:55:45,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:55:45,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:55:45,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:55:45,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:55:45,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:55:45,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:55:45,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:55:45,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:55:45,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:55:45,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:55:45,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:55:45,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:55:45,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:55:45,454 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-11-21 23:55:45,499 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:55:45,500 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:55:45,502 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:55:45,502 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:55:45,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:55:45,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:55:45,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:55:45,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:55:45,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:55:45,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:55:45,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:55:45,506 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:55:45,506 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:55:45,507 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:55:45,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:55:45,507 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:55:45,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:55:45,508 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:55:45,508 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:55:45,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:55:45,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:55:45,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:55:45,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:55:45,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:55:45,510 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:55:45,511 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:55:45,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:55:45,511 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:55:45,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:55:45,512 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_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8d47521066b64c3dd20752926e1ed0f109f71af24dbe7d1255c7f065d546fba [2022-11-21 23:55:45,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:55:45,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:55:45,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:55:45,984 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:55:45,985 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:55:45,987 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c [2022-11-21 23:55:49,254 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:55:49,608 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:55:49,608 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c [2022-11-21 23:55:49,625 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/data/f843b3439/157d2c7ebcad496ebd8b26d26bfc6caa/FLAG0981c5b6d [2022-11-21 23:55:49,641 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/data/f843b3439/157d2c7ebcad496ebd8b26d26bfc6caa [2022-11-21 23:55:49,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:55:49,645 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:55:49,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:55:49,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:55:49,650 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:55:49,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:55:49" (1/1) ... [2022-11-21 23:55:49,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14719be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:49, skipping insertion in model container [2022-11-21 23:55:49,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:55:49" (1/1) ... [2022-11-21 23:55:49,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:55:49,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:55:49,915 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_578babd6-a90f-42ba-af05-1482184c5393/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1014,1027] [2022-11-21 23:55:50,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:55:50,273 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:55:50,289 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_578babd6-a90f-42ba-af05-1482184c5393/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.2.prop1-back-serstep.c[1014,1027] [2022-11-21 23:55:50,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:55:50,423 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:55:50,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:50 WrapperNode [2022-11-21 23:55:50,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:55:50,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:55:50,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:55:50,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:55:50,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:50" (1/1) ... [2022-11-21 23:55:50,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:50" (1/1) ... [2022-11-21 23:55:50,626 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1346 [2022-11-21 23:55:50,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:55:50,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:55:50,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:55:50,627 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:55:50,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:50" (1/1) ... [2022-11-21 23:55:50,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:50" (1/1) ... [2022-11-21 23:55:50,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:50" (1/1) ... [2022-11-21 23:55:50,643 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:50" (1/1) ... [2022-11-21 23:55:50,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:50" (1/1) ... [2022-11-21 23:55:50,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:50" (1/1) ... [2022-11-21 23:55:50,720 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:50" (1/1) ... [2022-11-21 23:55:50,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:50" (1/1) ... [2022-11-21 23:55:50,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:55:50,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:55:50,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:55:50,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:55:50,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:55:50" (1/1) ... [2022-11-21 23:55:50,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:55:50,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:55:50,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:55:50,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:55:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:55:50,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:55:51,253 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:55:51,255 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:55:52,998 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:55:53,037 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:55:53,037 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 23:55:53,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:55:53 BoogieIcfgContainer [2022-11-21 23:55:53,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:55:53,040 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:55:53,041 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:55:53,050 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:55:53,050 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:55:53" (1/1) ... [2022-11-21 23:55:53,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:55:53,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:55:53,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-21 23:55:53,128 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-21 23:55:53,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:55:53,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:55:53,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:55:53,176 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) [2022-11-21 23:55:53,182 INFO L158 Benchmark]: Toolchain (without parser) took 3536.15ms. Allocated memory was 86.0MB in the beginning and 132.1MB in the end (delta: 46.1MB). Free memory was 62.8MB in the beginning and 58.1MB in the end (delta: 4.7MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2022-11-21 23:55:53,183 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:55:53,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 779.72ms. Allocated memory is still 86.0MB. Free memory was 62.6MB in the beginning and 44.4MB in the end (delta: 18.1MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2022-11-21 23:55:53,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 198.78ms. Allocated memory is still 86.0MB. Free memory was 44.4MB in the beginning and 59.2MB in the end (delta: -14.8MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2022-11-21 23:55:53,185 INFO L158 Benchmark]: Boogie Preprocessor took 125.76ms. Allocated memory is still 86.0MB. Free memory was 59.2MB in the beginning and 52.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 23:55:53,186 INFO L158 Benchmark]: RCFGBuilder took 2286.78ms. Allocated memory was 86.0MB in the beginning and 132.1MB in the end (delta: 46.1MB). Free memory was 52.9MB in the beginning and 64.4MB in the end (delta: -11.5MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2022-11-21 23:55:53,187 INFO L158 Benchmark]: CodeCheck took 140.20ms. Allocated memory is still 132.1MB. Free memory was 64.4MB in the beginning and 58.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 23:55:53,196 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 0.31ms. Allocated memory is still 60.8MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 779.72ms. Allocated memory is still 86.0MB. Free memory was 62.6MB in the beginning and 44.4MB in the end (delta: 18.1MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 198.78ms. Allocated memory is still 86.0MB. Free memory was 44.4MB in the beginning and 59.2MB in the end (delta: -14.8MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.76ms. Allocated memory is still 86.0MB. Free memory was 59.2MB in the beginning and 52.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2286.78ms. Allocated memory was 86.0MB in the beginning and 132.1MB in the end (delta: 46.1MB). Free memory was 52.9MB in the beginning and 64.4MB in the end (delta: -11.5MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * CodeCheck took 140.20ms. Allocated memory is still 132.1MB. Free memory was 64.4MB in the beginning and 58.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:55:53,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_578babd6-a90f-42ba-af05-1482184c5393/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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