./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.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_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/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_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/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_38fbd1a0-327a-4307-9044-0a58c9a2c271/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 809936c714dc357d6d91d004daecb44ecbcfc58194b3d574d5fc231327247aad --- 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 16:31:17,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:31:17,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:31:17,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:31:17,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:31:17,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:31:17,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:31:17,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:31:17,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:31:17,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:31:17,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:31:17,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:31:17,939 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:31:17,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:31:17,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:31:17,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:31:17,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:31:17,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:31:17,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:31:17,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:31:17,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:31:17,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:31:17,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:31:17,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:31:17,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:31:17,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:31:17,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:31:17,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:31:17,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:31:17,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:31:17,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:31:17,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:31:17,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:31:17,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:31:17,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:31:17,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:31:17,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:31:17,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:31:17,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:31:17,996 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:31:17,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:31:17,998 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-20 16:31:18,039 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:31:18,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:31:18,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:31:18,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:31:18,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:31:18,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:31:18,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:31:18,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:31:18,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:31:18,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:31:18,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:31:18,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:31:18,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:31:18,052 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:31:18,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:31:18,053 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:31:18,053 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:31:18,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:31:18,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:31:18,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:31:18,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:31:18,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:31:18,055 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:31:18,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:31:18,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:31:18,055 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_38fbd1a0-327a-4307-9044-0a58c9a2c271/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 809936c714dc357d6d91d004daecb44ecbcfc58194b3d574d5fc231327247aad [2022-11-20 16:31:18,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:31:18,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:31:18,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:31:18,417 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:31:18,418 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:31:18,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-back-serstep.c [2022-11-20 16:31:21,522 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:31:21,899 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:31:21,901 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-back-serstep.c [2022-11-20 16:31:21,922 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ/data/68e127383/a6939047d4a1411e9a5d6956079a5fc2/FLAGd0f332f3f [2022-11-20 16:31:21,936 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ/data/68e127383/a6939047d4a1411e9a5d6956079a5fc2 [2022-11-20 16:31:21,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:31:21,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:31:21,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:31:21,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:31:21,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:31:21,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:31:21" (1/1) ... [2022-11-20 16:31:21,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@721aa547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:21, skipping insertion in model container [2022-11-20 16:31:21,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:31:21" (1/1) ... [2022-11-20 16:31:21,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:31:22,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:31:22,233 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_38fbd1a0-327a-4307-9044-0a58c9a2c271/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-back-serstep.c[1014,1027] [2022-11-20 16:31:22,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:31:22,845 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:31:22,857 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_38fbd1a0-327a-4307-9044-0a58c9a2c271/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-back-serstep.c[1014,1027] [2022-11-20 16:31:23,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:31:23,076 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:31:23,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:23 WrapperNode [2022-11-20 16:31:23,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:31:23,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:31:23,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:31:23,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:31:23,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:23" (1/1) ... [2022-11-20 16:31:23,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:23" (1/1) ... [2022-11-20 16:31:23,321 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2533 [2022-11-20 16:31:23,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:31:23,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:31:23,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:31:23,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:31:23,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:23" (1/1) ... [2022-11-20 16:31:23,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:23" (1/1) ... [2022-11-20 16:31:23,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:23" (1/1) ... [2022-11-20 16:31:23,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:23" (1/1) ... [2022-11-20 16:31:23,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:23" (1/1) ... [2022-11-20 16:31:23,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:23" (1/1) ... [2022-11-20 16:31:23,426 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:23" (1/1) ... [2022-11-20 16:31:23,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:23" (1/1) ... [2022-11-20 16:31:23,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:31:23,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:31:23,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:31:23,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:31:23,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:23" (1/1) ... [2022-11-20 16:31:23,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:31:23,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:31:23,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:31:23,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:31:23,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:31:23,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:31:24,238 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:31:24,240 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:37:39,634 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:37:39,687 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:37:39,696 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 16:37:39,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:37:39 BoogieIcfgContainer [2022-11-20 16:37:39,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:37:39,700 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:37:39,700 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:37:39,710 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:37:39,723 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:37:39" (1/1) ... [2022-11-20 16:37:39,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:37:39,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:37:39,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-20 16:37:39,832 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-20 16:37:39,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:37:39,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:37:39,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:37:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:37:45,499 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 16:37:55,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 16:38:05,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 16:38:07,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 16:38:08,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-20 16:38:09,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:38:09,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-20 16:38:09,019 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-20 16:38:09,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:38:09,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:38:09,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:41:47,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:45:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:45:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2022-11-20 16:45:18,017 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 16:45:18,021 INFO L158 Benchmark]: Toolchain (without parser) took 836080.04ms. Allocated memory was 153.1MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 104.8MB in the beginning and 706.6MB in the end (delta: -601.7MB). Peak memory consumption was 905.4MB. Max. memory is 16.1GB. [2022-11-20 16:45:18,022 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 153.1MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:45:18,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1135.38ms. Allocated memory was 153.1MB in the beginning and 220.2MB in the end (delta: 67.1MB). Free memory was 104.4MB in the beginning and 151.3MB in the end (delta: -46.9MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2022-11-20 16:45:18,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 242.42ms. Allocated memory is still 220.2MB. Free memory was 151.3MB in the beginning and 120.9MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-20 16:45:18,024 INFO L158 Benchmark]: Boogie Preprocessor took 161.12ms. Allocated memory is still 220.2MB. Free memory was 120.9MB in the beginning and 106.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 16:45:18,024 INFO L158 Benchmark]: RCFGBuilder took 376214.85ms. Allocated memory was 220.2MB in the beginning and 1.1GB in the end (delta: 929.0MB). Free memory was 106.2MB in the beginning and 882.6MB in the end (delta: -776.3MB). Peak memory consumption was 651.8MB. Max. memory is 16.1GB. [2022-11-20 16:45:18,025 INFO L158 Benchmark]: CodeCheck took 458320.06ms. Allocated memory was 1.1GB in the beginning and 1.7GB in the end (delta: 507.5MB). Free memory was 882.6MB in the beginning and 706.6MB in the end (delta: 176.0MB). Peak memory consumption was 684.6MB. Max. memory is 16.1GB. [2022-11-20 16:45:18,028 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 0.69ms. Allocated memory is still 153.1MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1135.38ms. Allocated memory was 153.1MB in the beginning and 220.2MB in the end (delta: 67.1MB). Free memory was 104.4MB in the beginning and 151.3MB in the end (delta: -46.9MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 242.42ms. Allocated memory is still 220.2MB. Free memory was 151.3MB in the beginning and 120.9MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 161.12ms. Allocated memory is still 220.2MB. Free memory was 120.9MB in the beginning and 106.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 376214.85ms. Allocated memory was 220.2MB in the beginning and 1.1GB in the end (delta: 929.0MB). Free memory was 106.2MB in the beginning and 882.6MB in the end (delta: -776.3MB). Peak memory consumption was 651.8MB. Max. memory is 16.1GB. * CodeCheck took 458320.06ms. Allocated memory was 1.1GB in the beginning and 1.7GB in the end (delta: 507.5MB). Free memory was 882.6MB in the beginning and 706.6MB in the end (delta: 176.0MB). Peak memory consumption was 684.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 16:45:18,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/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_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/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_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/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_38fbd1a0-327a-4307-9044-0a58c9a2c271/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 809936c714dc357d6d91d004daecb44ecbcfc58194b3d574d5fc231327247aad --- 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 16:45:20,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:45:20,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:45:20,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:45:20,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:45:20,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:45:20,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:45:20,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:45:20,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:45:20,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:45:20,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:45:20,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:45:20,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:45:20,736 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:45:20,737 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:45:20,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:45:20,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:45:20,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:45:20,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:45:20,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:45:20,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:45:20,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:45:20,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:45:20,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:45:20,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:45:20,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:45:20,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:45:20,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:45:20,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:45:20,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:45:20,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:45:20,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:45:20,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:45:20,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:45:20,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:45:20,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:45:20,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:45:20,787 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:45:20,787 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:45:20,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:45:20,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:45:20,794 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2022-11-20 16:45:20,836 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:45:20,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:45:20,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:45:20,839 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:45:20,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:45:20,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:45:20,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:45:20,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:45:20,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:45:20,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:45:20,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:45:20,842 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:45:20,842 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:45:20,842 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:45:20,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:45:20,843 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:45:20,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:45:20,843 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:45:20,844 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:45:20,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:45:20,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:45:20,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:45:20,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:45:20,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:45:20,845 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:45:20,845 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:45:20,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:45:20,846 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:45:20,846 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:45:20,846 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_38fbd1a0-327a-4307-9044-0a58c9a2c271/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 809936c714dc357d6d91d004daecb44ecbcfc58194b3d574d5fc231327247aad [2022-11-20 16:45:21,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:45:21,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:45:21,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:45:21,277 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:45:21,279 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:45:21,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-back-serstep.c [2022-11-20 16:45:24,295 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:45:24,688 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:45:24,688 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-back-serstep.c [2022-11-20 16:45:24,716 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ/data/65fe0d0a6/fa805a2bda1e4792aeeef7ab36172aeb/FLAGb34a51b60 [2022-11-20 16:45:24,742 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ/data/65fe0d0a6/fa805a2bda1e4792aeeef7ab36172aeb [2022-11-20 16:45:24,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:45:24,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:45:24,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:45:24,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:45:24,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:45:24,754 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:45:24" (1/1) ... [2022-11-20 16:45:24,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4058ba40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:24, skipping insertion in model container [2022-11-20 16:45:24,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:45:24" (1/1) ... [2022-11-20 16:45:24,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:45:24,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:45:25,077 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_38fbd1a0-327a-4307-9044-0a58c9a2c271/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-back-serstep.c[1014,1027] [2022-11-20 16:45:25,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:45:25,484 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:45:25,501 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_38fbd1a0-327a-4307-9044-0a58c9a2c271/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cyclic_scheduler.2.prop1-back-serstep.c[1014,1027] [2022-11-20 16:45:25,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:45:25,721 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:45:25,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:25 WrapperNode [2022-11-20 16:45:25,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:45:25,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:45:25,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:45:25,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:45:25,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:25" (1/1) ... [2022-11-20 16:45:25,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:25" (1/1) ... [2022-11-20 16:45:25,954 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2533 [2022-11-20 16:45:25,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:45:25,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:45:25,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:45:25,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:45:25,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:25" (1/1) ... [2022-11-20 16:45:25,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:25" (1/1) ... [2022-11-20 16:45:25,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:25" (1/1) ... [2022-11-20 16:45:25,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:25" (1/1) ... [2022-11-20 16:45:26,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:25" (1/1) ... [2022-11-20 16:45:26,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:25" (1/1) ... [2022-11-20 16:45:26,098 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:25" (1/1) ... [2022-11-20 16:45:26,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:25" (1/1) ... [2022-11-20 16:45:26,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:45:26,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:45:26,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:45:26,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:45:26,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:45:25" (1/1) ... [2022-11-20 16:45:26,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:45:26,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:45:26,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:45:26,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:45:26,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:45:26,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:45:26,874 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:45:26,876 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:45:30,606 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:45:30,681 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:45:30,681 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 16:45:30,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:45:30 BoogieIcfgContainer [2022-11-20 16:45:30,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:45:30,685 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:45:30,685 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:45:30,695 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:45:30,695 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:45:30" (1/1) ... [2022-11-20 16:45:30,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:45:30,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:45:30,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-20 16:45:30,776 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-20 16:45:30,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 16:45:30,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:45:30,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:45:30,814 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 16:45:30,819 INFO L158 Benchmark]: Toolchain (without parser) took 6070.96ms. Allocated memory was 67.1MB in the beginning and 343.9MB in the end (delta: 276.8MB). Free memory was 42.3MB in the beginning and 284.2MB in the end (delta: -241.8MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2022-11-20 16:45:30,819 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 52.4MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:45:30,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 974.64ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 42.2MB in the beginning and 38.5MB in the end (delta: 3.6MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2022-11-20 16:45:30,820 INFO L158 Benchmark]: Boogie Procedure Inliner took 229.57ms. Allocated memory is still 81.8MB. Free memory was 38.5MB in the beginning and 35.0MB in the end (delta: 3.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2022-11-20 16:45:30,821 INFO L158 Benchmark]: Boogie Preprocessor took 192.74ms. Allocated memory is still 81.8MB. Free memory was 35.0MB in the beginning and 34.1MB in the end (delta: 881.8kB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-11-20 16:45:30,821 INFO L158 Benchmark]: RCFGBuilder took 4534.98ms. Allocated memory was 81.8MB in the beginning and 343.9MB in the end (delta: 262.1MB). Free memory was 34.1MB in the beginning and 290.5MB in the end (delta: -256.3MB). Peak memory consumption was 154.8MB. Max. memory is 16.1GB. [2022-11-20 16:45:30,822 INFO L158 Benchmark]: CodeCheck took 132.08ms. Allocated memory is still 343.9MB. Free memory was 290.5MB in the beginning and 284.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 16:45:30,828 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 0.23ms. Allocated memory is still 52.4MB. Free memory is still 30.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 974.64ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 42.2MB in the beginning and 38.5MB in the end (delta: 3.6MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 229.57ms. Allocated memory is still 81.8MB. Free memory was 38.5MB in the beginning and 35.0MB in the end (delta: 3.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 192.74ms. Allocated memory is still 81.8MB. Free memory was 35.0MB in the beginning and 34.1MB in the end (delta: 881.8kB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * RCFGBuilder took 4534.98ms. Allocated memory was 81.8MB in the beginning and 343.9MB in the end (delta: 262.1MB). Free memory was 34.1MB in the beginning and 290.5MB in the end (delta: -256.3MB). Peak memory consumption was 154.8MB. Max. memory is 16.1GB. * CodeCheck took 132.08ms. Allocated memory is still 343.9MB. Free memory was 290.5MB in the beginning and 284.2MB 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 16:45:30,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fbd1a0-327a-4307-9044-0a58c9a2c271/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