./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ --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 a51a9c223349a85cff6b73829a06d18cb06205648d35f8c1cd196f857336ac66 --- 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-6b4ec56 [2022-11-20 16:45:27,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:45:27,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:45:27,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:45:27,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:45:27,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:45:27,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:45:27,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:45:27,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:45:27,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:45:27,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:45:27,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:45:27,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:45:27,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:45:27,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:45:27,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:45:27,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:45:27,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:45:27,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:45:27,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:45:27,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:45:27,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:45:27,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:45:27,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:45:27,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:45:27,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:45:27,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:45:27,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:45:27,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:45:27,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:45:27,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:45:27,562 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:45:27,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:45:27,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:45:27,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:45:27,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:45:27,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:45:27,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:45:27,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:45:27,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:45:27,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:45:27,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-20 16:45:27,632 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:45:27,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:45:27,634 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:45:27,634 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:45:27,635 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:45:27,635 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:45:27,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:45:27,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:45:27,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:45:27,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:45:27,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:45:27,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:45:27,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:45:27,637 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:45:27,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:45:27,638 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:45:27,638 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:45:27,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:45:27,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:45:27,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:45:27,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:45:27,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:45:27,639 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:45:27,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:45:27,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:45:27,640 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_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a51a9c223349a85cff6b73829a06d18cb06205648d35f8c1cd196f857336ac66 [2022-11-20 16:45:28,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:45:28,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:45:28,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:45:28,059 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:45:28,060 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:45:28,061 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c [2022-11-20 16:45:31,187 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:45:31,550 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:45:31,550 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c [2022-11-20 16:45:31,579 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/data/5249c61df/84f4d01e37a84909b36e3d0fa77429ee/FLAG2de37fed7 [2022-11-20 16:45:31,595 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/data/5249c61df/84f4d01e37a84909b36e3d0fa77429ee [2022-11-20 16:45:31,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:45:31,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:45:31,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:45:31,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:45:31,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:45:31,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:45:31" (1/1) ... [2022-11-20 16:45:31,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54d86f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:31, skipping insertion in model container [2022-11-20 16:45:31,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:45:31" (1/1) ... [2022-11-20 16:45:31,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:45:31,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:45:31,937 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_65ffa011-2450-4a85-8df5-588205e45e57/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c[1014,1027] [2022-11-20 16:45:32,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:45:32,331 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:45:32,342 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_65ffa011-2450-4a85-8df5-588205e45e57/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c[1014,1027] [2022-11-20 16:45:32,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:45:32,500 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:45:32,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:32 WrapperNode [2022-11-20 16:45:32,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:45:32,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:45:32,503 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:45:32,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:45:32,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:32" (1/1) ... [2022-11-20 16:45:32,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:32" (1/1) ... [2022-11-20 16:45:32,736 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1670 [2022-11-20 16:45:32,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:45:32,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:45:32,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:45:32,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:45:32,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:32" (1/1) ... [2022-11-20 16:45:32,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:32" (1/1) ... [2022-11-20 16:45:32,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:32" (1/1) ... [2022-11-20 16:45:32,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:32" (1/1) ... [2022-11-20 16:45:32,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:32" (1/1) ... [2022-11-20 16:45:32,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:32" (1/1) ... [2022-11-20 16:45:32,886 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:32" (1/1) ... [2022-11-20 16:45:32,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:32" (1/1) ... [2022-11-20 16:45:32,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:45:32,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:45:32,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:45:32,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:45:32,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:32" (1/1) ... [2022-11-20 16:45:32,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:45:32,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:45:33,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:45:33,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:45:33,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:45:33,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:45:33,555 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:45:33,557 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:47:35,060 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:47:35,115 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:47:35,115 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 16:47:35,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:47:35 BoogieIcfgContainer [2022-11-20 16:47:35,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:47:35,119 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:47:35,119 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:47:35,129 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:47:35,130 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:47:35" (1/1) ... [2022-11-20 16:47:35,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:47:35,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:47:35,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-20 16:47:35,205 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-20 16:47:35,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:47:35,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:47:35,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:47:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:47:38,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:47:48,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-20 16:47:58,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-11-20 16:48:00,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:48:00,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-20 16:48:00,334 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-20 16:48:00,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:48:00,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:48:00,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:48:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-11-20 16:48:11,550 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) [2022-11-20 16:48:11,556 INFO L158 Benchmark]: Toolchain (without parser) took 159956.46ms. Allocated memory was 140.5MB in the beginning and 778.0MB in the end (delta: 637.5MB). Free memory was 93.9MB in the beginning and 613.1MB in the end (delta: -519.2MB). Peak memory consumption was 117.8MB. Max. memory is 16.1GB. [2022-11-20 16:48:11,557 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:48:11,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 900.65ms. Allocated memory is still 140.5MB. Free memory was 93.9MB in the beginning and 66.0MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-20 16:48:11,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 234.08ms. Allocated memory is still 140.5MB. Free memory was 66.0MB in the beginning and 45.6MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 16:48:11,559 INFO L158 Benchmark]: Boogie Preprocessor took 209.48ms. Allocated memory is still 140.5MB. Free memory was 45.6MB in the beginning and 95.0MB in the end (delta: -49.4MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2022-11-20 16:48:11,559 INFO L158 Benchmark]: RCFGBuilder took 122170.64ms. Allocated memory was 140.5MB in the beginning and 778.0MB in the end (delta: 637.5MB). Free memory was 94.6MB in the beginning and 325.8MB in the end (delta: -231.2MB). Peak memory consumption was 476.5MB. Max. memory is 16.1GB. [2022-11-20 16:48:11,560 INFO L158 Benchmark]: CodeCheck took 36436.24ms. Allocated memory is still 778.0MB. Free memory was 325.8MB in the beginning and 613.1MB in the end (delta: -287.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:48:11,563 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 111.1MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 900.65ms. Allocated memory is still 140.5MB. Free memory was 93.9MB in the beginning and 66.0MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 234.08ms. Allocated memory is still 140.5MB. Free memory was 66.0MB in the beginning and 45.6MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 209.48ms. Allocated memory is still 140.5MB. Free memory was 45.6MB in the beginning and 95.0MB in the end (delta: -49.4MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * RCFGBuilder took 122170.64ms. Allocated memory was 140.5MB in the beginning and 778.0MB in the end (delta: 637.5MB). Free memory was 94.6MB in the beginning and 325.8MB in the end (delta: -231.2MB). Peak memory consumption was 476.5MB. Max. memory is 16.1GB. * CodeCheck took 36436.24ms. Allocated memory is still 778.0MB. Free memory was 325.8MB in the beginning and 613.1MB in the end (delta: -287.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 16:48:11,799 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2022-11-20 16:48:11,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ --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 a51a9c223349a85cff6b73829a06d18cb06205648d35f8c1cd196f857336ac66 --- 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-6b4ec56 [2022-11-20 16:48:13,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:48:13,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:48:14,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:48:14,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:48:14,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:48:14,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:48:14,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:48:14,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:48:14,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:48:14,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:48:14,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:48:14,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:48:14,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:48:14,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:48:14,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:48:14,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:48:14,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:48:14,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:48:14,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:48:14,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:48:14,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:48:14,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:48:14,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:48:14,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:48:14,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:48:14,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:48:14,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:48:14,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:48:14,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:48:14,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:48:14,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:48:14,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:48:14,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:48:14,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:48:14,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:48:14,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:48:14,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:48:14,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:48:14,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:48:14,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:48:14,087 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-11-20 16:48:14,110 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:48:14,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:48:14,111 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:48:14,112 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:48:14,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:48:14,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:48:14,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:48:14,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:48:14,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:48:14,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:48:14,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:48:14,115 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:48:14,115 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:48:14,116 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:48:14,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:48:14,116 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:48:14,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:48:14,117 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:48:14,117 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:48:14,118 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:48:14,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:48:14,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:48:14,119 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:48:14,119 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:48:14,120 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:48:14,120 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:48:14,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:48:14,120 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:48:14,121 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:48:14,121 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_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a51a9c223349a85cff6b73829a06d18cb06205648d35f8c1cd196f857336ac66 [2022-11-20 16:48:14,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:48:14,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:48:14,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:48:14,558 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:48:14,560 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:48:14,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c [2022-11-20 16:48:17,793 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:48:18,164 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:48:18,165 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c [2022-11-20 16:48:18,180 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/data/63fde9aa2/cd42268d311446e08dffc88b6fb2e1e3/FLAG3ca57e9e3 [2022-11-20 16:48:18,195 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/data/63fde9aa2/cd42268d311446e08dffc88b6fb2e1e3 [2022-11-20 16:48:18,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:48:18,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:48:18,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:48:18,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:48:18,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:48:18,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:48:18" (1/1) ... [2022-11-20 16:48:18,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a51db69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:18, skipping insertion in model container [2022-11-20 16:48:18,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:48:18" (1/1) ... [2022-11-20 16:48:18,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:48:18,316 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:48:18,502 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_65ffa011-2450-4a85-8df5-588205e45e57/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c[1014,1027] [2022-11-20 16:48:18,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:48:18,812 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:48:18,823 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_65ffa011-2450-4a85-8df5-588205e45e57/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.4.prop1-back-serstep.c[1014,1027] [2022-11-20 16:48:18,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:48:19,008 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:48:19,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:19 WrapperNode [2022-11-20 16:48:19,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:48:19,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:48:19,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:48:19,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:48:19,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:19" (1/1) ... [2022-11-20 16:48:19,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:19" (1/1) ... [2022-11-20 16:48:19,185 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1670 [2022-11-20 16:48:19,185 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:48:19,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:48:19,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:48:19,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:48:19,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:19" (1/1) ... [2022-11-20 16:48:19,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:19" (1/1) ... [2022-11-20 16:48:19,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:19" (1/1) ... [2022-11-20 16:48:19,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:19" (1/1) ... [2022-11-20 16:48:19,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:19" (1/1) ... [2022-11-20 16:48:19,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:19" (1/1) ... [2022-11-20 16:48:19,362 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:19" (1/1) ... [2022-11-20 16:48:19,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:19" (1/1) ... [2022-11-20 16:48:19,393 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:48:19,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:48:19,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:48:19,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:48:19,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:48:19" (1/1) ... [2022-11-20 16:48:19,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:48:19,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:48:19,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:48:19,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:48:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:48:19,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:48:19,963 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:48:19,964 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:48:22,680 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:48:22,724 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:48:22,724 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 16:48:22,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:48:22 BoogieIcfgContainer [2022-11-20 16:48:22,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:48:22,728 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:48:22,728 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:48:22,738 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:48:22,739 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:48:22" (1/1) ... [2022-11-20 16:48:22,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:48:22,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:48:22,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-20 16:48:22,817 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-20 16:48:22,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:48:22,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:48:22,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:48:22,865 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) [2022-11-20 16:48:22,871 INFO L158 Benchmark]: Toolchain (without parser) took 4671.37ms. Allocated memory was 86.0MB in the beginning and 159.4MB in the end (delta: 73.4MB). Free memory was 42.5MB in the beginning and 68.8MB in the end (delta: -26.3MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2022-11-20 16:48:22,872 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 86.0MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:48:22,873 INFO L158 Benchmark]: CACSL2BoogieTranslator took 808.76ms. Allocated memory is still 86.0MB. Free memory was 42.2MB in the beginning and 47.0MB in the end (delta: -4.8MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2022-11-20 16:48:22,873 INFO L158 Benchmark]: Boogie Procedure Inliner took 175.36ms. Allocated memory is still 86.0MB. Free memory was 46.6MB in the beginning and 35.4MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 16:48:22,875 INFO L158 Benchmark]: Boogie Preprocessor took 220.50ms. Allocated memory was 86.0MB in the beginning and 117.4MB in the end (delta: 31.5MB). Free memory was 35.4MB in the beginning and 80.1MB in the end (delta: -44.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2022-11-20 16:48:22,875 INFO L158 Benchmark]: RCFGBuilder took 3319.97ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 80.1MB in the beginning and 75.1MB in the end (delta: 5.0MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2022-11-20 16:48:22,876 INFO L158 Benchmark]: CodeCheck took 141.79ms. Allocated memory is still 159.4MB. Free memory was 75.1MB in the beginning and 68.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 16:48:22,886 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 0.34ms. Allocated memory is still 86.0MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 808.76ms. Allocated memory is still 86.0MB. Free memory was 42.2MB in the beginning and 47.0MB in the end (delta: -4.8MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 175.36ms. Allocated memory is still 86.0MB. Free memory was 46.6MB in the beginning and 35.4MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 220.50ms. Allocated memory was 86.0MB in the beginning and 117.4MB in the end (delta: 31.5MB). Free memory was 35.4MB in the beginning and 80.1MB in the end (delta: -44.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3319.97ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 80.1MB in the beginning and 75.1MB in the end (delta: 5.0MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * CodeCheck took 141.79ms. Allocated memory is still 159.4MB. Free memory was 75.1MB in the beginning and 68.8MB 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. [2022-11-20 16:48:22,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65ffa011-2450-4a85-8df5-588205e45e57/bin/ukojak-pZX7IvK2PQ/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