./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH --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 2f7c7c00390d425dd0de4af3a816f6150e4f2b1388d67fbbec487fb38e8f321b --- 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-e04fb08 [2022-11-16 07:53:23,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 07:53:23,602 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 07:53:23,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 07:53:23,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 07:53:23,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 07:53:23,637 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 07:53:23,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 07:53:23,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 07:53:23,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 07:53:23,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 07:53:23,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 07:53:23,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 07:53:23,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 07:53:23,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 07:53:23,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 07:53:23,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 07:53:23,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 07:53:23,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 07:53:23,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 07:53:23,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 07:53:23,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 07:53:23,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 07:53:23,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 07:53:23,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 07:53:23,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 07:53:23,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 07:53:23,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 07:53:23,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 07:53:23,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 07:53:23,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 07:53:23,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 07:53:23,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 07:53:23,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 07:53:23,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 07:53:23,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 07:53:23,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 07:53:23,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 07:53:23,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 07:53:23,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 07:53:23,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 07:53:23,705 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-16 07:53:23,743 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 07:53:23,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 07:53:23,745 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 07:53:23,745 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 07:53:23,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 07:53:23,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 07:53:23,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 07:53:23,746 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 07:53:23,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 07:53:23,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 07:53:23,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 07:53:23,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 07:53:23,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 07:53:23,748 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 07:53:23,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 07:53:23,749 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 07:53:23,749 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 07:53:23,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 07:53:23,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:53:23,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 07:53:23,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 07:53:23,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 07:53:23,750 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 07:53:23,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 07:53:23,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 07:53:23,750 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_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f7c7c00390d425dd0de4af3a816f6150e4f2b1388d67fbbec487fb38e8f321b [2022-11-16 07:53:24,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 07:53:24,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 07:53:24,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 07:53:24,083 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 07:53:24,084 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 07:53:24,085 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c [2022-11-16 07:53:24,166 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/data/9fd3826e6/3f66cdb276f44c3cb5125ce6c21ef636/FLAG1c7feeef8 [2022-11-16 07:53:24,778 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 07:53:24,779 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c [2022-11-16 07:53:24,799 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/data/9fd3826e6/3f66cdb276f44c3cb5125ce6c21ef636/FLAG1c7feeef8 [2022-11-16 07:53:24,979 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/data/9fd3826e6/3f66cdb276f44c3cb5125ce6c21ef636 [2022-11-16 07:53:24,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 07:53:24,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 07:53:24,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 07:53:24,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 07:53:24,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 07:53:24,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:53:24" (1/1) ... [2022-11-16 07:53:24,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6967f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:24, skipping insertion in model container [2022-11-16 07:53:24,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:53:24" (1/1) ... [2022-11-16 07:53:24,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 07:53:25,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 07:53:25,293 WARN L229 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_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c[1014,1027] [2022-11-16 07:53:25,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:53:25,845 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 07:53:25,856 WARN L229 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_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c[1014,1027] [2022-11-16 07:53:26,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:53:26,153 INFO L208 MainTranslator]: Completed translation [2022-11-16 07:53:26,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:26 WrapperNode [2022-11-16 07:53:26,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 07:53:26,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 07:53:26,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 07:53:26,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 07:53:26,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:26" (1/1) ... [2022-11-16 07:53:26,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:26" (1/1) ... [2022-11-16 07:53:26,453 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4307 [2022-11-16 07:53:26,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 07:53:26,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 07:53:26,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 07:53:26,457 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 07:53:26,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:26" (1/1) ... [2022-11-16 07:53:26,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:26" (1/1) ... [2022-11-16 07:53:26,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:26" (1/1) ... [2022-11-16 07:53:26,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:26" (1/1) ... [2022-11-16 07:53:26,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:26" (1/1) ... [2022-11-16 07:53:26,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:26" (1/1) ... [2022-11-16 07:53:26,668 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:26" (1/1) ... [2022-11-16 07:53:26,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:26" (1/1) ... [2022-11-16 07:53:26,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 07:53:26,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 07:53:26,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 07:53:26,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 07:53:26,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:53:26" (1/1) ... [2022-11-16 07:53:26,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:53:26,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 07:53:26,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 07:53:26,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 07:53:26,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 07:53:26,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 07:53:27,578 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 07:53:27,580 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 07:53:32,040 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 07:53:48,160 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 07:53:48,160 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 07:53:48,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:53:48 BoogieIcfgContainer [2022-11-16 07:53:48,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 07:53:48,163 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 07:53:48,163 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 07:53:48,173 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 07:53:48,173 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:53:48" (1/1) ... [2022-11-16 07:53:48,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 07:53:48,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:53:48,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-16 07:53:48,237 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-16 07:53:48,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 07:53:48,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:53:48,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:53:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:53:51,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:54:01,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:54:11,885 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 [] [2022-11-16 07:54:14,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:54:14,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-16 07:54:14,377 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-16 07:54:14,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 07:54:14,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:54:14,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:58:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 07:58:46,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 08:02:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 08:02:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-11-16 08:02:55,712 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) [2022-11-16 08:02:55,715 INFO L158 Benchmark]: Toolchain (without parser) took 570731.86ms. Allocated memory was 94.4MB in the beginning and 6.6GB in the end (delta: 6.5GB). Free memory was 71.8MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 4.0GB. Max. memory is 16.1GB. [2022-11-16 08:02:55,716 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 71.6MB in the beginning and 71.6MB in the end (delta: 17.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 08:02:55,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1169.99ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 71.5MB in the beginning and 74.3MB in the end (delta: -2.8MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2022-11-16 08:02:55,718 INFO L158 Benchmark]: Boogie Procedure Inliner took 299.98ms. Allocated memory is still 125.8MB. Free memory was 73.8MB in the beginning and 60.1MB in the end (delta: 13.7MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2022-11-16 08:02:55,719 INFO L158 Benchmark]: Boogie Preprocessor took 271.33ms. Allocated memory is still 125.8MB. Free memory was 60.1MB in the beginning and 57.0MB in the end (delta: 3.1MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2022-11-16 08:02:55,720 INFO L158 Benchmark]: RCFGBuilder took 21434.23ms. Allocated memory was 125.8MB in the beginning and 5.7GB in the end (delta: 5.5GB). Free memory was 57.0MB in the beginning and 5.4GB in the end (delta: -5.3GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2022-11-16 08:02:55,720 INFO L158 Benchmark]: CodeCheck took 547551.48ms. Allocated memory was 5.7GB in the beginning and 6.6GB in the end (delta: 926.9MB). Free memory was 5.4GB in the beginning and 2.6GB in the end (delta: 2.8GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2022-11-16 08:02:55,724 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 0.32ms. Allocated memory is still 94.4MB. Free memory was 71.6MB in the beginning and 71.6MB in the end (delta: 17.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1169.99ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 71.5MB in the beginning and 74.3MB in the end (delta: -2.8MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 299.98ms. Allocated memory is still 125.8MB. Free memory was 73.8MB in the beginning and 60.1MB in the end (delta: 13.7MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 271.33ms. Allocated memory is still 125.8MB. Free memory was 60.1MB in the beginning and 57.0MB in the end (delta: 3.1MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * RCFGBuilder took 21434.23ms. Allocated memory was 125.8MB in the beginning and 5.7GB in the end (delta: 5.5GB). Free memory was 57.0MB in the beginning and 5.4GB in the end (delta: -5.3GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. * CodeCheck took 547551.48ms. Allocated memory was 5.7GB in the beginning and 6.6GB in the end (delta: 926.9MB). Free memory was 5.4GB in the beginning and 2.6GB in the end (delta: 2.8GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 08:02:55,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/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 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_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH --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 2f7c7c00390d425dd0de4af3a816f6150e4f2b1388d67fbbec487fb38e8f321b --- 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-e04fb08 [2022-11-16 08:02:58,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:02:58,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:02:58,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:02:58,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:02:58,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:02:58,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:02:58,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:02:58,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:02:58,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:02:58,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:02:58,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:02:58,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:02:58,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:02:58,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:02:58,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:02:58,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:02:58,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:02:58,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:02:58,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:02:58,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:02:58,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:02:58,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:02:58,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:02:58,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:02:58,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:02:58,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:02:58,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:02:58,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:02:58,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:02:58,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:02:58,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:02:58,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:02:58,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:02:58,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:02:58,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:02:58,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:02:58,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:02:58,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:02:58,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:02:58,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:02:58,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-11-16 08:02:58,462 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:02:58,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:02:58,464 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 08:02:58,464 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 08:02:58,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:02:58,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:02:58,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:02:58,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:02:58,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 08:02:58,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:02:58,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 08:02:58,468 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 08:02:58,468 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 08:02:58,468 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 08:02:58,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 08:02:58,469 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:02:58,469 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 08:02:58,469 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:02:58,469 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:02:58,469 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:02:58,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:02:58,470 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:02:58,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:02:58,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 08:02:58,470 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 08:02:58,470 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 08:02:58,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 08:02:58,471 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-16 08:02:58,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 08:02:58,471 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_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f7c7c00390d425dd0de4af3a816f6150e4f2b1388d67fbbec487fb38e8f321b [2022-11-16 08:02:58,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:02:58,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:02:58,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:02:58,864 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:02:58,866 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:02:58,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c [2022-11-16 08:02:58,949 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/data/f56f01dfa/3f24a62c09984e988efc3e13a655e950/FLAGc71dcb8c5 [2022-11-16 08:02:59,735 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:02:59,736 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c [2022-11-16 08:02:59,757 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/data/f56f01dfa/3f24a62c09984e988efc3e13a655e950/FLAGc71dcb8c5 [2022-11-16 08:02:59,890 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/data/f56f01dfa/3f24a62c09984e988efc3e13a655e950 [2022-11-16 08:02:59,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:02:59,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:02:59,898 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:02:59,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:02:59,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:02:59,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:02:59" (1/1) ... [2022-11-16 08:02:59,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f97b110 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:02:59, skipping insertion in model container [2022-11-16 08:02:59,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:02:59" (1/1) ... [2022-11-16 08:02:59,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:03:00,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:03:00,182 WARN L229 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_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c[1014,1027] [2022-11-16 08:03:00,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:03:00,704 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 08:03:00,724 WARN L229 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_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.4.prop1-back-serstep.c[1014,1027] [2022-11-16 08:03:00,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:03:00,949 INFO L208 MainTranslator]: Completed translation [2022-11-16 08:03:00,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:00 WrapperNode [2022-11-16 08:03:00,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:03:00,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 08:03:00,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 08:03:00,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 08:03:00,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:00" (1/1) ... [2022-11-16 08:03:01,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:00" (1/1) ... [2022-11-16 08:03:01,168 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2697 [2022-11-16 08:03:01,169 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 08:03:01,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 08:03:01,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 08:03:01,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 08:03:01,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:00" (1/1) ... [2022-11-16 08:03:01,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:00" (1/1) ... [2022-11-16 08:03:01,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:00" (1/1) ... [2022-11-16 08:03:01,198 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:00" (1/1) ... [2022-11-16 08:03:01,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:00" (1/1) ... [2022-11-16 08:03:01,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:00" (1/1) ... [2022-11-16 08:03:01,301 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:00" (1/1) ... [2022-11-16 08:03:01,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:00" (1/1) ... [2022-11-16 08:03:01,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 08:03:01,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 08:03:01,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 08:03:01,329 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 08:03:01,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:03:00" (1/1) ... [2022-11-16 08:03:01,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:03:01,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 08:03:01,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 08:03:01,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 08:03:01,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 08:03:01,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 08:03:02,104 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 08:03:02,107 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 08:03:06,616 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 08:03:06,678 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 08:03:06,678 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 08:03:06,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:03:06 BoogieIcfgContainer [2022-11-16 08:03:06,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 08:03:06,682 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 08:03:06,682 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 08:03:06,692 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 08:03:06,693 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:03:06" (1/1) ... [2022-11-16 08:03:06,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 08:03:06,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:03:06,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-16 08:03:06,765 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-16 08:03:06,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 08:03:06,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:03:06,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:03:06,814 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) [2022-11-16 08:03:06,822 INFO L158 Benchmark]: Toolchain (without parser) took 6923.38ms. Allocated memory was 58.7MB in the beginning and 320.9MB in the end (delta: 262.1MB). Free memory was 33.9MB in the beginning and 232.5MB in the end (delta: -198.6MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2022-11-16 08:03:06,823 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:03:06,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1053.48ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 33.8MB in the beginning and 39.3MB in the end (delta: -5.5MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-11-16 08:03:06,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 216.29ms. Allocated memory is still 83.9MB. Free memory was 39.3MB in the beginning and 36.4MB in the end (delta: 2.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2022-11-16 08:03:06,826 INFO L158 Benchmark]: Boogie Preprocessor took 158.17ms. Allocated memory was 83.9MB in the beginning and 132.1MB in the end (delta: 48.2MB). Free memory was 36.4MB in the beginning and 84.7MB in the end (delta: -48.3MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2022-11-16 08:03:06,828 INFO L158 Benchmark]: RCFGBuilder took 5353.06ms. Allocated memory was 132.1MB in the beginning and 320.9MB in the end (delta: 188.7MB). Free memory was 84.2MB in the beginning and 238.8MB in the end (delta: -154.5MB). Peak memory consumption was 162.5MB. Max. memory is 16.1GB. [2022-11-16 08:03:06,829 INFO L158 Benchmark]: CodeCheck took 137.04ms. Allocated memory is still 320.9MB. Free memory was 238.8MB in the beginning and 232.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 08:03:06,839 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 58.7MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 29.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1053.48ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 33.8MB in the beginning and 39.3MB in the end (delta: -5.5MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 216.29ms. Allocated memory is still 83.9MB. Free memory was 39.3MB in the beginning and 36.4MB in the end (delta: 2.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 158.17ms. Allocated memory was 83.9MB in the beginning and 132.1MB in the end (delta: 48.2MB). Free memory was 36.4MB in the beginning and 84.7MB in the end (delta: -48.3MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * RCFGBuilder took 5353.06ms. Allocated memory was 132.1MB in the beginning and 320.9MB in the end (delta: 188.7MB). Free memory was 84.2MB in the beginning and 238.8MB in the end (delta: -154.5MB). Peak memory consumption was 162.5MB. Max. memory is 16.1GB. * CodeCheck took 137.04ms. Allocated memory is still 320.9MB. Free memory was 238.8MB in the beginning and 232.5MB 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. [2022-11-16 08:03:06,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81bd0da6-ed1d-4a83-8de7-f579922eeaa4/bin/ukojak-CydTVMUXoH/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