./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/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_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/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_0062b5d8-cfe4-4488-989e-691eb57ff98b/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 b6819c080be0252472ffbb9d2e5ec70fe87807fca1a5e6b3460972b7b91a9ca6 --- 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 17:29:55,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:29:55,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:29:55,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:29:55,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:29:55,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:29:55,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:29:55,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:29:55,049 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:29:55,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:29:55,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:29:55,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:29:55,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:29:55,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:29:55,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:29:55,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:29:55,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:29:55,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:29:55,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:29:55,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:29:55,063 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:29:55,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:29:55,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:29:55,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:29:55,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:29:55,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:29:55,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:29:55,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:29:55,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:29:55,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:29:55,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:29:55,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:29:55,077 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:29:55,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:29:55,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:29:55,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:29:55,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:29:55,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:29:55,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:29:55,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:29:55,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:29:55,084 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-20 17:29:55,106 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:29:55,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:29:55,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:29:55,107 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:29:55,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:29:55,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:29:55,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:29:55,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:29:55,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:29:55,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:29:55,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:29:55,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:29:55,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:29:55,110 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:29:55,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:29:55,111 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:29:55,111 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:29:55,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:29:55,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:29:55,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:29:55,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:29:55,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:29:55,112 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:29:55,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:29:55,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:29:55,113 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_0062b5d8-cfe4-4488-989e-691eb57ff98b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6819c080be0252472ffbb9d2e5ec70fe87807fca1a5e6b3460972b7b91a9ca6 [2022-11-20 17:29:55,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:29:55,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:29:55,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:29:55,437 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:29:55,438 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:29:55,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c [2022-11-20 17:29:58,412 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:29:58,822 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:29:58,828 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c [2022-11-20 17:29:58,847 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ/data/6a2fd3319/63f38bd56372406591b56edb2f213ac9/FLAG4890499bc [2022-11-20 17:29:58,866 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ/data/6a2fd3319/63f38bd56372406591b56edb2f213ac9 [2022-11-20 17:29:58,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:29:58,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:29:58,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:29:58,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:29:58,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:29:58,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:29:58" (1/1) ... [2022-11-20 17:29:58,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48180a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:58, skipping insertion in model container [2022-11-20 17:29:58,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:29:58" (1/1) ... [2022-11-20 17:29:58,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:29:58,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:29:59,137 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_0062b5d8-cfe4-4488-989e-691eb57ff98b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c[1014,1027] [2022-11-20 17:29:59,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:29:59,607 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:29:59,629 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_0062b5d8-cfe4-4488-989e-691eb57ff98b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c[1014,1027] [2022-11-20 17:29:59,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:29:59,917 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:29:59,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:59 WrapperNode [2022-11-20 17:29:59,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:29:59,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:29:59,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:29:59,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:29:59,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:59" (1/1) ... [2022-11-20 17:30:00,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:59" (1/1) ... [2022-11-20 17:30:00,186 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2092 [2022-11-20 17:30:00,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:30:00,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:30:00,190 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:30:00,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:30:00,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:59" (1/1) ... [2022-11-20 17:30:00,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:59" (1/1) ... [2022-11-20 17:30:00,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:59" (1/1) ... [2022-11-20 17:30:00,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:59" (1/1) ... [2022-11-20 17:30:00,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:59" (1/1) ... [2022-11-20 17:30:00,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:59" (1/1) ... [2022-11-20 17:30:00,341 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:59" (1/1) ... [2022-11-20 17:30:00,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:59" (1/1) ... [2022-11-20 17:30:00,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:30:00,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:30:00,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:30:00,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:30:00,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:59" (1/1) ... [2022-11-20 17:30:00,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:30:00,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:30:00,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:30:00,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:30:00,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:30:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:30:01,080 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:30:01,083 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:33:04,186 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:33:04,242 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:33:04,242 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:33:04,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:33:04 BoogieIcfgContainer [2022-11-20 17:33:04,247 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:33:04,250 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:33:04,250 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:33:04,264 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:33:04,264 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:33:04" (1/1) ... [2022-11-20 17:33:04,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:33:04,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:04,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-20 17:33:04,376 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-20 17:33:04,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:33:04,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:04,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:33:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:33:07,665 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 17:33:17,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 17:33:27,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 17:33:29,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 17:33:31,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 17:33:31,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:33:31,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-20 17:33:31,372 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-20 17:33:31,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:33:31,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:33:31,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:35:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:35:44,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 17:37:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 17:37:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-11-20 17:37:41,747 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 17:37:41,762 INFO L158 Benchmark]: Toolchain (without parser) took 462890.02ms. Allocated memory was 165.7MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 132.0MB in the beginning and 1.1GB in the end (delta: -924.3MB). Peak memory consumption was 632.6MB. Max. memory is 16.1GB. [2022-11-20 17:37:41,762 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory was 97.2MB in the beginning and 97.2MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:37:41,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1047.75ms. Allocated memory is still 165.7MB. Free memory was 132.0MB in the beginning and 121.4MB in the end (delta: 10.6MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. [2022-11-20 17:37:41,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 269.03ms. Allocated memory is still 165.7MB. Free memory was 121.4MB in the beginning and 98.2MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 17:37:41,765 INFO L158 Benchmark]: Boogie Preprocessor took 189.04ms. Allocated memory is still 165.7MB. Free memory was 98.2MB in the beginning and 87.3MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:37:41,766 INFO L158 Benchmark]: RCFGBuilder took 183868.75ms. Allocated memory was 165.7MB in the beginning and 828.4MB in the end (delta: 662.7MB). Free memory was 86.4MB in the beginning and 327.4MB in the end (delta: -241.1MB). Peak memory consumption was 484.7MB. Max. memory is 16.1GB. [2022-11-20 17:37:41,768 INFO L158 Benchmark]: CodeCheck took 277509.50ms. Allocated memory was 828.4MB in the beginning and 1.7GB in the end (delta: 891.3MB). Free memory was 327.4MB in the beginning and 1.1GB in the end (delta: -728.9MB). Peak memory consumption was 163.4MB. Max. memory is 16.1GB. [2022-11-20 17:37:41,773 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 0.19ms. Allocated memory is still 121.6MB. Free memory was 97.2MB in the beginning and 97.2MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1047.75ms. Allocated memory is still 165.7MB. Free memory was 132.0MB in the beginning and 121.4MB in the end (delta: 10.6MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 269.03ms. Allocated memory is still 165.7MB. Free memory was 121.4MB in the beginning and 98.2MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 189.04ms. Allocated memory is still 165.7MB. Free memory was 98.2MB in the beginning and 87.3MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 183868.75ms. Allocated memory was 165.7MB in the beginning and 828.4MB in the end (delta: 662.7MB). Free memory was 86.4MB in the beginning and 327.4MB in the end (delta: -241.1MB). Peak memory consumption was 484.7MB. Max. memory is 16.1GB. * CodeCheck took 277509.50ms. Allocated memory was 828.4MB in the beginning and 1.7GB in the end (delta: 891.3MB). Free memory was 327.4MB in the beginning and 1.1GB in the end (delta: -728.9MB). Peak memory consumption was 163.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:37:41,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/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_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/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_0062b5d8-cfe4-4488-989e-691eb57ff98b/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 b6819c080be0252472ffbb9d2e5ec70fe87807fca1a5e6b3460972b7b91a9ca6 --- 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 17:37:44,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:37:44,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:37:44,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:37:44,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:37:44,420 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:37:44,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:37:44,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:37:44,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:37:44,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:37:44,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:37:44,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:37:44,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:37:44,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:37:44,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:37:44,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:37:44,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:37:44,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:37:44,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:37:44,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:37:44,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:37:44,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:37:44,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:37:44,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:37:44,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:37:44,461 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:37:44,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:37:44,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:37:44,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:37:44,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:37:44,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:37:44,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:37:44,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:37:44,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:37:44,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:37:44,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:37:44,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:37:44,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:37:44,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:37:44,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:37:44,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:37:44,492 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-11-20 17:37:44,535 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:37:44,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:37:44,538 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:37:44,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:37:44,539 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:37:44,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:37:44,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:37:44,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:37:44,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:37:44,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:37:44,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:37:44,543 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:37:44,543 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:37:44,543 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:37:44,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:37:44,544 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:37:44,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:37:44,544 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:37:44,545 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:37:44,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:37:44,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:37:44,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:37:44,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:37:44,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:37:44,546 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:37:44,547 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:37:44,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:37:44,547 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:37:44,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:37:44,548 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_0062b5d8-cfe4-4488-989e-691eb57ff98b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6819c080be0252472ffbb9d2e5ec70fe87807fca1a5e6b3460972b7b91a9ca6 [2022-11-20 17:37:44,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:37:44,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:37:44,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:37:44,992 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:37:44,993 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:37:44,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c [2022-11-20 17:37:48,098 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:37:48,463 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:37:48,464 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c [2022-11-20 17:37:48,484 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ/data/4819410b1/98f6a2ef65444f88a23cd0a5b2f222f0/FLAG3f6e6c54d [2022-11-20 17:37:48,498 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ/data/4819410b1/98f6a2ef65444f88a23cd0a5b2f222f0 [2022-11-20 17:37:48,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:37:48,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:37:48,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:37:48,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:37:48,510 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:37:48,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:37:48" (1/1) ... [2022-11-20 17:37:48,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f8e589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:48, skipping insertion in model container [2022-11-20 17:37:48,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:37:48" (1/1) ... [2022-11-20 17:37:48,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:37:48,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:37:48,871 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_0062b5d8-cfe4-4488-989e-691eb57ff98b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c[1014,1027] [2022-11-20 17:37:49,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:37:49,251 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:37:49,277 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_0062b5d8-cfe4-4488-989e-691eb57ff98b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-back-serstep.c[1014,1027] [2022-11-20 17:37:49,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:37:49,416 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:37:49,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:49 WrapperNode [2022-11-20 17:37:49,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:37:49,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:37:49,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:37:49,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:37:49,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:49" (1/1) ... [2022-11-20 17:37:49,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:49" (1/1) ... [2022-11-20 17:37:49,575 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2092 [2022-11-20 17:37:49,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:37:49,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:37:49,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:37:49,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:37:49,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:49" (1/1) ... [2022-11-20 17:37:49,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:49" (1/1) ... [2022-11-20 17:37:49,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:49" (1/1) ... [2022-11-20 17:37:49,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:49" (1/1) ... [2022-11-20 17:37:49,677 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:49" (1/1) ... [2022-11-20 17:37:49,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:49" (1/1) ... [2022-11-20 17:37:49,690 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:49" (1/1) ... [2022-11-20 17:37:49,698 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:49" (1/1) ... [2022-11-20 17:37:49,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:37:49,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:37:49,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:37:49,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:37:49,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:49" (1/1) ... [2022-11-20 17:37:49,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:37:49,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:37:49,750 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:37:49,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:37:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:37:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:37:50,387 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:37:50,390 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:37:54,021 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:37:54,072 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:37:54,073 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:37:54,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:37:54 BoogieIcfgContainer [2022-11-20 17:37:54,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:37:54,076 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:37:54,076 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:37:54,087 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:37:54,088 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:37:54" (1/1) ... [2022-11-20 17:37:54,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:37:54,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:54,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-20 17:37:54,162 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-20 17:37:54,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:37:54,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:54,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:54,213 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 17:37:54,218 INFO L158 Benchmark]: Toolchain (without parser) took 5714.63ms. Allocated memory was 65.0MB in the beginning and 203.4MB in the end (delta: 138.4MB). Free memory was 33.0MB in the beginning and 113.9MB in the end (delta: -80.9MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2022-11-20 17:37:54,218 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 65.0MB. Free memory was 43.0MB in the beginning and 43.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:37:54,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 911.37ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 32.8MB in the beginning and 49.6MB in the end (delta: -16.7MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2022-11-20 17:37:54,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.94ms. Allocated memory is still 86.0MB. Free memory was 49.6MB in the beginning and 35.5MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:37:54,221 INFO L158 Benchmark]: Boogie Preprocessor took 138.07ms. Allocated memory is still 86.0MB. Free memory was 35.5MB in the beginning and 42.6MB in the end (delta: -7.1MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2022-11-20 17:37:54,221 INFO L158 Benchmark]: RCFGBuilder took 4360.75ms. Allocated memory was 86.0MB in the beginning and 203.4MB in the end (delta: 117.4MB). Free memory was 42.6MB in the beginning and 120.1MB in the end (delta: -77.5MB). Peak memory consumption was 120.6MB. Max. memory is 16.1GB. [2022-11-20 17:37:54,222 INFO L158 Benchmark]: CodeCheck took 140.07ms. Allocated memory is still 203.4MB. Free memory was 120.1MB in the beginning and 113.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 17:37:54,225 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 0.32ms. Allocated memory is still 65.0MB. Free memory was 43.0MB in the beginning and 43.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 911.37ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 32.8MB in the beginning and 49.6MB in the end (delta: -16.7MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 157.94ms. Allocated memory is still 86.0MB. Free memory was 49.6MB in the beginning and 35.5MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 138.07ms. Allocated memory is still 86.0MB. Free memory was 35.5MB in the beginning and 42.6MB in the end (delta: -7.1MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * RCFGBuilder took 4360.75ms. Allocated memory was 86.0MB in the beginning and 203.4MB in the end (delta: 117.4MB). Free memory was 42.6MB in the beginning and 120.1MB in the end (delta: -77.5MB). Peak memory consumption was 120.6MB. Max. memory is 16.1GB. * CodeCheck took 140.07ms. Allocated memory is still 203.4MB. Free memory was 120.1MB in the beginning and 113.9MB 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 17:37:54,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0062b5d8-cfe4-4488-989e-691eb57ff98b/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