./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.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_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/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_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/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_d3214bcd-7db3-4325-a87d-1d35a1a8333c/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 7907d012b9c764bd623ba97e3fe681984ff5e165fb3f5820b36269ce719d1dfd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 22:46:55,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:46:55,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:46:55,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:46:55,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:46:55,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:46:55,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:46:55,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:46:55,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:46:55,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:46:55,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:46:55,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:46:55,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:46:55,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:46:55,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:46:55,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:46:55,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:46:55,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:46:55,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:46:55,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:46:55,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:46:55,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:46:55,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:46:55,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:46:55,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:46:55,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:46:55,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:46:55,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:46:55,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:46:55,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:46:55,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:46:55,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:46:55,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:46:55,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:46:55,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:46:55,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:46:55,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:46:55,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:46:55,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:46:55,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:46:55,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:46:55,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-12-14 22:46:55,694 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:46:55,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:46:55,695 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:46:55,695 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:46:55,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:46:55,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:46:55,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:46:55,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:46:55,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:46:55,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:46:55,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:46:55,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:46:55,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:46:55,697 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:46:55,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:46:55,697 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:46:55,697 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:46:55,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:46:55,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:46:55,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:46:55,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:46:55,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:46:55,698 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:46:55,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:46:55,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:46:55,699 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_d3214bcd-7db3-4325-a87d-1d35a1a8333c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7907d012b9c764bd623ba97e3fe681984ff5e165fb3f5820b36269ce719d1dfd [2022-12-14 22:46:55,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:46:55,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:46:55,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:46:55,911 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:46:55,911 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:46:55,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c [2022-12-14 22:46:58,503 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:46:58,637 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:46:58,637 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c [2022-12-14 22:46:58,642 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4/data/40d7f729d/1a6699db25594a429761639eb8dd7cb8/FLAG8766f7c0c [2022-12-14 22:46:58,652 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4/data/40d7f729d/1a6699db25594a429761639eb8dd7cb8 [2022-12-14 22:46:58,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:46:58,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:46:58,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:46:58,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:46:58,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:46:58,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:46:58" (1/1) ... [2022-12-14 22:46:58,660 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4afc8411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:58, skipping insertion in model container [2022-12-14 22:46:58,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:46:58" (1/1) ... [2022-12-14 22:46:58,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:46:58,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:46:58,769 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_d3214bcd-7db3-4325-a87d-1d35a1a8333c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c[1107,1120] [2022-12-14 22:46:58,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:46:58,800 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:46:58,809 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_d3214bcd-7db3-4325-a87d-1d35a1a8333c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c[1107,1120] [2022-12-14 22:46:58,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:46:58,833 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:46:58,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:58 WrapperNode [2022-12-14 22:46:58,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:46:58,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:46:58,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:46:58,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:46:58,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:58" (1/1) ... [2022-12-14 22:46:58,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:58" (1/1) ... [2022-12-14 22:46:58,861 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2022-12-14 22:46:58,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:46:58,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:46:58,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:46:58,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:46:58,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:58" (1/1) ... [2022-12-14 22:46:58,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:58" (1/1) ... [2022-12-14 22:46:58,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:58" (1/1) ... [2022-12-14 22:46:58,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:58" (1/1) ... [2022-12-14 22:46:58,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:58" (1/1) ... [2022-12-14 22:46:58,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:58" (1/1) ... [2022-12-14 22:46:58,878 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:58" (1/1) ... [2022-12-14 22:46:58,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:58" (1/1) ... [2022-12-14 22:46:58,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:46:58,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:46:58,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:46:58,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:46:58,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:46:58" (1/1) ... [2022-12-14 22:46:58,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:46:58,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:46:58,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:46:58,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:46:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:46:58,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:46:59,001 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:46:59,003 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:46:59,142 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:46:59,155 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:46:59,155 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:46:59,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:46:59 BoogieIcfgContainer [2022-12-14 22:46:59,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:46:59,158 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:46:59,158 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:46:59,165 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:46:59,166 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:46:59" (1/1) ... [2022-12-14 22:46:59,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:46:59,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:46:59,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-14 22:46:59,212 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-14 22:46:59,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 22:46:59,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:46:59,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:46:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:46:59,316 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 22:46:59,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:46:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:46:59,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 22:46:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:46:59,412 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-12-14 22:46:59,428 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 22:46:59,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:46:59 ImpRootNode [2022-12-14 22:46:59,430 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:46:59,430 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:46:59,430 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:46:59,430 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:46:59,431 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:46:59" (3/4) ... [2022-12-14 22:46:59,433 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 22:46:59,433 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:46:59,434 INFO L158 Benchmark]: Toolchain (without parser) took 778.44ms. Allocated memory is still 121.6MB. Free memory was 82.4MB in the beginning and 83.3MB in the end (delta: -914.4kB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2022-12-14 22:46:59,434 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:46:59,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.69ms. Allocated memory is still 121.6MB. Free memory was 82.4MB in the beginning and 70.7MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 22:46:59,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.47ms. Allocated memory is still 121.6MB. Free memory was 70.7MB in the beginning and 68.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:46:59,435 INFO L158 Benchmark]: Boogie Preprocessor took 18.05ms. Allocated memory is still 121.6MB. Free memory was 68.6MB in the beginning and 67.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:46:59,435 INFO L158 Benchmark]: RCFGBuilder took 276.46ms. Allocated memory is still 121.6MB. Free memory was 67.3MB in the beginning and 47.2MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 22:46:59,436 INFO L158 Benchmark]: CodeCheck took 272.21ms. Allocated memory is still 121.6MB. Free memory was 47.2MB in the beginning and 83.9MB in the end (delta: -36.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:46:59,436 INFO L158 Benchmark]: Witness Printer took 2.96ms. Allocated memory is still 121.6MB. Free memory was 83.9MB in the beginning and 83.3MB in the end (delta: 602.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:46:59,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 54, overapproximation of bitwiseAnd at line 59. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 3); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (3 - 1); [L31] const SORT_3 var_4 = 0; [L32] const SORT_1 var_13 = 1; [L33] const SORT_3 var_19 = 7; [L34] const SORT_3 var_23 = 1; [L36] SORT_1 input_2; [L38] SORT_3 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L39] SORT_3 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L41] SORT_3 init_6_arg_1 = var_4; [L42] state_5 = init_6_arg_1 [L43] SORT_3 init_8_arg_1 = var_4; [L44] state_7 = init_8_arg_1 VAL [init_6_arg_1=0, init_8_arg_1=0, mask_SORT_1=1, mask_SORT_3=7, msb_SORT_1=1, msb_SORT_3=4, state_5=0, state_7=0, var_13=1, var_19=7, var_23=1, var_4=0] [L47] input_2 = __VERIFIER_nondet_uchar() [L50] SORT_3 var_9_arg_0 = state_5; [L51] SORT_3 var_9_arg_1 = state_7; [L52] SORT_1 var_9 = var_9_arg_0 > var_9_arg_1; [L53] SORT_1 var_10_arg_0 = var_9; [L54] SORT_1 var_10 = ~var_10_arg_0; [L55] SORT_1 var_14_arg_0 = var_10; [L56] SORT_1 var_14 = ~var_14_arg_0; [L57] SORT_1 var_15_arg_0 = var_13; [L58] SORT_1 var_15_arg_1 = var_14; [L59] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L60] var_15 = var_15 & mask_SORT_1 [L61] SORT_1 bad_16_arg_0 = var_15; [L62] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 121.6MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 177.69ms. Allocated memory is still 121.6MB. Free memory was 82.4MB in the beginning and 70.7MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.47ms. Allocated memory is still 121.6MB. Free memory was 70.7MB in the beginning and 68.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.05ms. Allocated memory is still 121.6MB. Free memory was 68.6MB in the beginning and 67.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 276.46ms. Allocated memory is still 121.6MB. Free memory was 67.3MB in the beginning and 47.2MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 272.21ms. Allocated memory is still 121.6MB. Free memory was 47.2MB in the beginning and 83.9MB in the end (delta: -36.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.96ms. Allocated memory is still 121.6MB. Free memory was 83.9MB in the beginning and 83.3MB in the end (delta: 602.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 22:46:59,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/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 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_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/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_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/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_d3214bcd-7db3-4325-a87d-1d35a1a8333c/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 7907d012b9c764bd623ba97e3fe681984ff5e165fb3f5820b36269ce719d1dfd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 22:47:01,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:47:01,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:47:01,234 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:47:01,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:47:01,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:47:01,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:47:01,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:47:01,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:47:01,240 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:47:01,241 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:47:01,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:47:01,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:47:01,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:47:01,244 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:47:01,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:47:01,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:47:01,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:47:01,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:47:01,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:47:01,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:47:01,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:47:01,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:47:01,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:47:01,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:47:01,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:47:01,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:47:01,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:47:01,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:47:01,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:47:01,260 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:47:01,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:47:01,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:47:01,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:47:01,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:47:01,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:47:01,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:47:01,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:47:01,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:47:01,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:47:01,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:47:01,266 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-12-14 22:47:01,287 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:47:01,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:47:01,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:47:01,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:47:01,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:47:01,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:47:01,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:47:01,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:47:01,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:47:01,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:47:01,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:47:01,290 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 22:47:01,290 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 22:47:01,290 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 22:47:01,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:47:01,290 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:47:01,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:47:01,291 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:47:01,291 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:47:01,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:47:01,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:47:01,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:47:01,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:47:01,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:47:01,292 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 22:47:01,292 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 22:47:01,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:47:01,292 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 22:47:01,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 22:47:01,293 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_d3214bcd-7db3-4325-a87d-1d35a1a8333c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7907d012b9c764bd623ba97e3fe681984ff5e165fb3f5820b36269ce719d1dfd [2022-12-14 22:47:01,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:47:01,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:47:01,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:47:01,520 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:47:01,520 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:47:01,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c [2022-12-14 22:47:04,156 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:47:04,313 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:47:04,313 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c [2022-12-14 22:47:04,319 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4/data/3d9eb1207/06680e77e7784ea6982dfdf6672c5c83/FLAG24a3cecf1 [2022-12-14 22:47:04,330 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4/data/3d9eb1207/06680e77e7784ea6982dfdf6672c5c83 [2022-12-14 22:47:04,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:47:04,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:47:04,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:47:04,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:47:04,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:47:04,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:47:04" (1/1) ... [2022-12-14 22:47:04,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39fbb183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:47:04, skipping insertion in model container [2022-12-14 22:47:04,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:47:04" (1/1) ... [2022-12-14 22:47:04,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:47:04,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:47:04,462 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_d3214bcd-7db3-4325-a87d-1d35a1a8333c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c[1107,1120] [2022-12-14 22:47:04,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:47:04,497 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:47:04,505 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_d3214bcd-7db3-4325-a87d-1d35a1a8333c/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cav14_example.c[1107,1120] [2022-12-14 22:47:04,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:47:04,528 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:47:04,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:47:04 WrapperNode [2022-12-14 22:47:04,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:47:04,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:47:04,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:47:04,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:47:04,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:47:04" (1/1) ... [2022-12-14 22:47:04,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:47:04" (1/1) ... [2022-12-14 22:47:04,556 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2022-12-14 22:47:04,556 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:47:04,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:47:04,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:47:04,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:47:04,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:47:04" (1/1) ... [2022-12-14 22:47:04,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:47:04" (1/1) ... [2022-12-14 22:47:04,565 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:47:04" (1/1) ... [2022-12-14 22:47:04,565 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:47:04" (1/1) ... [2022-12-14 22:47:04,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:47:04" (1/1) ... [2022-12-14 22:47:04,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:47:04" (1/1) ... [2022-12-14 22:47:04,572 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:47:04" (1/1) ... [2022-12-14 22:47:04,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:47:04" (1/1) ... [2022-12-14 22:47:04,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:47:04,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:47:04,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:47:04,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:47:04,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:47:04" (1/1) ... [2022-12-14 22:47:04,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:47:04,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:47:04,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:47:04,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:47:04,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:47:04,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:47:04,700 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:47:04,702 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:47:04,836 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:47:04,857 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:47:04,857 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:47:04,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:47:04 BoogieIcfgContainer [2022-12-14 22:47:04,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:47:04,860 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:47:04,860 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:47:04,867 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:47:04,867 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:47:04" (1/1) ... [2022-12-14 22:47:04,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:47:04,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:47:04,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-12-14 22:47:04,914 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-12-14 22:47:04,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 22:47:04,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:47:04,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:47:04,954 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 22:47:04,957 INFO L158 Benchmark]: Toolchain (without parser) took 622.95ms. Allocated memory is still 79.7MB. Free memory was 37.7MB in the beginning and 58.3MB in the end (delta: -20.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2022-12-14 22:47:04,958 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 79.7MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:47:04,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.74ms. Allocated memory is still 79.7MB. Free memory was 37.4MB in the beginning and 55.0MB in the end (delta: -17.6MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2022-12-14 22:47:04,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.69ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 53.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:47:04,959 INFO L158 Benchmark]: Boogie Preprocessor took 18.25ms. Allocated memory is still 79.7MB. Free memory was 53.2MB in the beginning and 51.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:47:04,960 INFO L158 Benchmark]: RCFGBuilder took 284.07ms. Allocated memory is still 79.7MB. Free memory was 51.6MB in the beginning and 37.6MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 22:47:04,960 INFO L158 Benchmark]: CodeCheck took 96.73ms. Allocated memory is still 79.7MB. Free memory was 37.3MB in the beginning and 58.3MB in the end (delta: -21.0MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-12-14 22:47:04,962 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 0.12ms. Allocated memory is still 79.7MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.74ms. Allocated memory is still 79.7MB. Free memory was 37.4MB in the beginning and 55.0MB in the end (delta: -17.6MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.69ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 53.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.25ms. Allocated memory is still 79.7MB. Free memory was 53.2MB in the beginning and 51.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 284.07ms. Allocated memory is still 79.7MB. Free memory was 51.6MB in the beginning and 37.6MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 96.73ms. Allocated memory is still 79.7MB. Free memory was 37.3MB in the beginning and 58.3MB in the end (delta: -21.0MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 22:47:04,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3214bcd-7db3-4325-a87d-1d35a1a8333c/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