./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.1.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_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/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_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/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_bcf3d394-7f62-4193-b942-4071d7149ca4/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 d4fe8bee791bd8be6dc5d922cbdaea485b9fed7e33caa6bfaeadae1f95950742 --- 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 [2022-12-15 02:47:05,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:47:05,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:47:05,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:47:05,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:47:05,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:47:05,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:47:05,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:47:05,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:47:05,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:47:05,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:47:05,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:47:05,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:47:05,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:47:05,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:47:05,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:47:05,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:47:05,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:47:05,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:47:05,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:47:05,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:47:05,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:47:05,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:47:05,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:47:05,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:47:05,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:47:05,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:47:05,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:47:05,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:47:05,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:47:05,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:47:05,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:47:05,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:47:05,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:47:05,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:47:05,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:47:05,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:47:05,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:47:05,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:47:05,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:47:05,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:47:05,722 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-12-15 02:47:05,741 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:47:05,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:47:05,743 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:47:05,743 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:47:05,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:47:05,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:47:05,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:47:05,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:47:05,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:47:05,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:47:05,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:47:05,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:47:05,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:47:05,745 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:47:05,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:47:05,746 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:47:05,746 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:47:05,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:47:05,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:47:05,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:47:05,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:47:05,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:47:05,747 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:47:05,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:47:05,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:47:05,748 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_bcf3d394-7f62-4193-b942-4071d7149ca4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4fe8bee791bd8be6dc5d922cbdaea485b9fed7e33caa6bfaeadae1f95950742 [2022-12-15 02:47:05,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:47:05,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:47:05,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:47:05,951 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:47:05,952 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:47:05,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.1.prop1-back-serstep.c [2022-12-15 02:47:08,473 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:47:08,725 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:47:08,725 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.1.prop1-back-serstep.c [2022-12-15 02:47:08,739 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/data/2573c0f58/7ad089299810454393e0bfbc2d1e1f93/FLAG18c0769b7 [2022-12-15 02:47:09,071 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/data/2573c0f58/7ad089299810454393e0bfbc2d1e1f93 [2022-12-15 02:47:09,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:47:09,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:47:09,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:47:09,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:47:09,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:47:09,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:47:09" (1/1) ... [2022-12-15 02:47:09,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@459e44aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:47:09, skipping insertion in model container [2022-12-15 02:47:09,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:47:09" (1/1) ... [2022-12-15 02:47:09,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:47:09,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:47:09,274 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_bcf3d394-7f62-4193-b942-4071d7149ca4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.1.prop1-back-serstep.c[1014,1027] [2022-12-15 02:47:09,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:47:09,529 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:47:09,537 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_bcf3d394-7f62-4193-b942-4071d7149ca4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.1.prop1-back-serstep.c[1014,1027] [2022-12-15 02:47:09,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:47:09,693 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:47:09,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:47:09 WrapperNode [2022-12-15 02:47:09,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:47:09,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:47:09,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:47:09,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:47:09,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:47:09" (1/1) ... [2022-12-15 02:47:09,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:47:09" (1/1) ... [2022-12-15 02:47:09,876 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2959 [2022-12-15 02:47:09,877 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:47:09,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:47:09,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:47:09,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:47:09,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:47:09" (1/1) ... [2022-12-15 02:47:09,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:47:09" (1/1) ... [2022-12-15 02:47:09,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:47:09" (1/1) ... [2022-12-15 02:47:09,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:47:09" (1/1) ... [2022-12-15 02:47:09,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:47:09" (1/1) ... [2022-12-15 02:47:09,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:47:09" (1/1) ... [2022-12-15 02:47:09,954 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:47:09" (1/1) ... [2022-12-15 02:47:09,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:47:09" (1/1) ... [2022-12-15 02:47:09,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:47:09,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:47:09,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:47:09,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:47:09,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:47:09" (1/1) ... [2022-12-15 02:47:09,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:47:09,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:47:10,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:47:10,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:47:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:47:10,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:47:10,414 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:47:10,416 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:56:56,736 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:56:56,765 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:56:56,766 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 02:56:56,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:56:56 BoogieIcfgContainer [2022-12-15 02:56:56,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:56:56,768 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:56:56,768 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:56:56,776 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:56:56,776 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:56:56" (1/1) ... [2022-12-15 02:56:56,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:56:56,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:56,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-15 02:56:56,825 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-15 02:56:56,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:56:56,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:56,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:56:59,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:57:09,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 02:57:19,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-15 02:57:21,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-15 02:57:22,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-15 02:57:23,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-15 02:57:24,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:57:24,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-12-15 02:57:24,247 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-12-15 02:57:24,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:57:24,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:57:24,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:57:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-12-15 02:57:35,510 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) [2022-12-15 02:57:35,514 INFO L158 Benchmark]: Toolchain (without parser) took 626433.82ms. Allocated memory was 220.2MB in the beginning and 989.9MB in the end (delta: 769.7MB). Free memory was 180.7MB in the beginning and 586.6MB in the end (delta: -405.9MB). Peak memory consumption was 366.6MB. Max. memory is 16.1GB. [2022-12-15 02:57:35,514 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:57:35,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 612.33ms. Allocated memory is still 220.2MB. Free memory was 180.4MB in the beginning and 172.1MB in the end (delta: 8.3MB). Peak memory consumption was 109.8MB. Max. memory is 16.1GB. [2022-12-15 02:57:35,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 182.24ms. Allocated memory is still 220.2MB. Free memory was 172.1MB in the beginning and 137.7MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-15 02:57:35,516 INFO L158 Benchmark]: Boogie Preprocessor took 105.65ms. Allocated memory is still 220.2MB. Free memory was 137.7MB in the beginning and 121.1MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 02:57:35,517 INFO L158 Benchmark]: RCFGBuilder took 586784.07ms. Allocated memory was 220.2MB in the beginning and 989.9MB in the end (delta: 769.7MB). Free memory was 121.1MB in the beginning and 557.2MB in the end (delta: -436.1MB). Peak memory consumption was 590.4MB. Max. memory is 16.1GB. [2022-12-15 02:57:35,518 INFO L158 Benchmark]: CodeCheck took 38744.58ms. Allocated memory is still 989.9MB. Free memory was 557.2MB in the beginning and 586.6MB in the end (delta: -29.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:57:35,521 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 0.14ms. Allocated memory is still 117.4MB. Free memory is still 91.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 612.33ms. Allocated memory is still 220.2MB. Free memory was 180.4MB in the beginning and 172.1MB in the end (delta: 8.3MB). Peak memory consumption was 109.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 182.24ms. Allocated memory is still 220.2MB. Free memory was 172.1MB in the beginning and 137.7MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.65ms. Allocated memory is still 220.2MB. Free memory was 137.7MB in the beginning and 121.1MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 586784.07ms. Allocated memory was 220.2MB in the beginning and 989.9MB in the end (delta: 769.7MB). Free memory was 121.1MB in the beginning and 557.2MB in the end (delta: -436.1MB). Peak memory consumption was 590.4MB. Max. memory is 16.1GB. * CodeCheck took 38744.58ms. Allocated memory is still 989.9MB. Free memory was 557.2MB in the beginning and 586.6MB in the end (delta: -29.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 02:57:35,733 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2022-12-15 02:57:35,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/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_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/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_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.1.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/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_bcf3d394-7f62-4193-b942-4071d7149ca4/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 d4fe8bee791bd8be6dc5d922cbdaea485b9fed7e33caa6bfaeadae1f95950742 --- 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 [2022-12-15 02:57:37,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:57:37,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:57:37,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:57:37,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:57:37,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:57:37,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:57:37,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:57:37,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:57:37,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:57:37,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:57:37,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:57:37,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:57:37,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:57:37,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:57:37,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:57:37,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:57:37,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:57:37,238 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:57:37,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:57:37,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:57:37,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:57:37,242 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:57:37,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:57:37,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:57:37,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:57:37,245 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:57:37,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:57:37,246 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:57:37,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:57:37,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:57:37,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:57:37,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:57:37,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:57:37,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:57:37,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:57:37,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:57:37,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:57:37,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:57:37,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:57:37,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:57:37,252 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-12-15 02:57:37,266 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:57:37,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:57:37,267 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:57:37,267 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:57:37,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:57:37,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:57:37,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:57:37,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:57:37,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:57:37,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:57:37,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:57:37,268 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 02:57:37,268 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 02:57:37,268 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 02:57:37,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:57:37,269 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:57:37,269 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:57:37,269 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:57:37,269 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:57:37,269 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:57:37,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:57:37,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:57:37,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:57:37,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:57:37,270 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 02:57:37,270 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 02:57:37,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:57:37,270 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 02:57:37,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 02:57:37,270 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_bcf3d394-7f62-4193-b942-4071d7149ca4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4fe8bee791bd8be6dc5d922cbdaea485b9fed7e33caa6bfaeadae1f95950742 [2022-12-15 02:57:37,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:57:37,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:57:37,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:57:37,496 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:57:37,496 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:57:37,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.1.prop1-back-serstep.c [2022-12-15 02:57:40,108 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:57:40,350 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:57:40,351 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.1.prop1-back-serstep.c [2022-12-15 02:57:40,365 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/data/89d0ae798/572cb0fd83b248cd96b55b54091be38a/FLAG5dd05c5ee [2022-12-15 02:57:40,380 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/data/89d0ae798/572cb0fd83b248cd96b55b54091be38a [2022-12-15 02:57:40,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:57:40,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:57:40,385 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:57:40,385 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:57:40,388 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:57:40,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:57:40" (1/1) ... [2022-12-15 02:57:40,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce75471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:40, skipping insertion in model container [2022-12-15 02:57:40,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:57:40" (1/1) ... [2022-12-15 02:57:40,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:57:40,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:57:40,621 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_bcf3d394-7f62-4193-b942-4071d7149ca4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.1.prop1-back-serstep.c[1014,1027] [2022-12-15 02:57:40,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:57:40,935 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:57:40,943 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_bcf3d394-7f62-4193-b942-4071d7149ca4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.at.1.prop1-back-serstep.c[1014,1027] [2022-12-15 02:57:41,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:57:41,073 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:57:41,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:41 WrapperNode [2022-12-15 02:57:41,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:57:41,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:57:41,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:57:41,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:57:41,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:41" (1/1) ... [2022-12-15 02:57:41,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:41" (1/1) ... [2022-12-15 02:57:41,221 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2959 [2022-12-15 02:57:41,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:57:41,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:57:41,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:57:41,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:57:41,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:41" (1/1) ... [2022-12-15 02:57:41,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:41" (1/1) ... [2022-12-15 02:57:41,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:41" (1/1) ... [2022-12-15 02:57:41,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:41" (1/1) ... [2022-12-15 02:57:41,281 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:41" (1/1) ... [2022-12-15 02:57:41,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:41" (1/1) ... [2022-12-15 02:57:41,299 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:41" (1/1) ... [2022-12-15 02:57:41,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:41" (1/1) ... [2022-12-15 02:57:41,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:57:41,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:57:41,325 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:57:41,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:57:41,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:57:41" (1/1) ... [2022-12-15 02:57:41,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:57:41,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:57:41,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:57:41,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:57:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:57:41,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:57:41,765 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:57:41,766 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:57:44,513 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:57:44,540 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:57:44,541 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 02:57:44,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:57:44 BoogieIcfgContainer [2022-12-15 02:57:44,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:57:44,543 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:57:44,543 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:57:44,550 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:57:44,550 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:57:44" (1/1) ... [2022-12-15 02:57:44,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:57:44,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:57:44,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-15 02:57:44,595 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-15 02:57:44,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:57:44,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:57:44,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:57:44,636 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) [2022-12-15 02:57:44,639 INFO L158 Benchmark]: Toolchain (without parser) took 4254.83ms. Allocated memory was 81.8MB in the beginning and 234.9MB in the end (delta: 153.1MB). Free memory was 55.9MB in the beginning and 70.2MB in the end (delta: -14.4MB). Peak memory consumption was 141.6MB. Max. memory is 16.1GB. [2022-12-15 02:57:44,640 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:57:44,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.06ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 55.7MB in the beginning and 53.6MB in the end (delta: 2.1MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2022-12-15 02:57:44,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 147.37ms. Allocated memory is still 98.6MB. Free memory was 53.6MB in the beginning and 51.8MB in the end (delta: 1.8MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2022-12-15 02:57:44,641 INFO L158 Benchmark]: Boogie Preprocessor took 102.18ms. Allocated memory is still 98.6MB. Free memory was 51.4MB in the beginning and 38.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 02:57:44,642 INFO L158 Benchmark]: RCFGBuilder took 3217.54ms. Allocated memory was 98.6MB in the beginning and 234.9MB in the end (delta: 136.3MB). Free memory was 38.8MB in the beginning and 75.5MB in the end (delta: -36.7MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. [2022-12-15 02:57:44,642 INFO L158 Benchmark]: CodeCheck took 94.78ms. Allocated memory is still 234.9MB. Free memory was 75.5MB in the beginning and 70.2MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-15 02:57:44,645 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 0.20ms. Allocated memory is still 54.5MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.06ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 55.7MB in the beginning and 53.6MB in the end (delta: 2.1MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 147.37ms. Allocated memory is still 98.6MB. Free memory was 53.6MB in the beginning and 51.8MB in the end (delta: 1.8MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 102.18ms. Allocated memory is still 98.6MB. Free memory was 51.4MB in the beginning and 38.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3217.54ms. Allocated memory was 98.6MB in the beginning and 234.9MB in the end (delta: 136.3MB). Free memory was 38.8MB in the beginning and 75.5MB in the end (delta: -36.7MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. * CodeCheck took 94.78ms. Allocated memory is still 234.9MB. Free memory was 75.5MB in the beginning and 70.2MB 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. [2022-12-15 02:57:44,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcf3d394-7f62-4193-b942-4071d7149ca4/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