./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_e9b07f1c-6ada-4bd2-9d1e-bfa66e144f16/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b07f1c-6ada-4bd2-9d1e-bfa66e144f16/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b07f1c-6ada-4bd2-9d1e-bfa66e144f16/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b07f1c-6ada-4bd2-9d1e-bfa66e144f16/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b07f1c-6ada-4bd2-9d1e-bfa66e144f16/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b07f1c-6ada-4bd2-9d1e-bfa66e144f16/bin/ukojak-CydTVMUXoH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d85a0bcab96c308f4b3e1d31db5786e38e1588c892faa1dc46737f951506faea --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 07:58:16,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 07:58:16,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 07:58:16,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 07:58:16,312 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 07:58:16,313 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 07:58:16,315 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 07:58:16,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 07:58:16,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 07:58:16,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 07:58:16,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 07:58:16,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 07:58:16,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 07:58:16,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 07:58:16,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 07:58:16,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 07:58:16,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 07:58:16,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 07:58:16,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 07:58:16,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 07:58:16,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 07:58:16,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 07:58:16,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 07:58:16,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 07:58:16,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 07:58:16,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 07:58:16,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 07:58:16,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 07:58:16,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 07:58:16,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 07:58:16,353 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 07:58:16,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 07:58:16,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 07:58:16,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 07:58:16,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 07:58:16,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 07:58:16,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 07:58:16,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 07:58:16,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 07:58:16,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 07:58:16,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 07:58:16,361 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b07f1c-6ada-4bd2-9d1e-bfa66e144f16/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-16 07:58:16,394 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 07:58:16,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 07:58:16,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 07:58:16,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 07:58:16,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 07:58:16,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 07:58:16,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 07:58:16,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 07:58:16,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 07:58:16,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 07:58:16,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 07:58:16,403 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 07:58:16,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 07:58:16,404 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 07:58:16,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 07:58:16,404 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 07:58:16,404 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 07:58:16,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 07:58:16,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:58:16,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 07:58:16,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 07:58:16,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 07:58:16,406 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 07:58:16,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 07:58:16,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 07:58:16,406 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_e9b07f1c-6ada-4bd2-9d1e-bfa66e144f16/bin/ukojak-CydTVMUXoH/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b07f1c-6ada-4bd2-9d1e-bfa66e144f16/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d85a0bcab96c308f4b3e1d31db5786e38e1588c892faa1dc46737f951506faea [2022-11-16 07:58:16,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 07:58:16,717 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 07:58:16,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 07:58:16,721 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 07:58:16,722 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 07:58:16,735 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b07f1c-6ada-4bd2-9d1e-bfa66e144f16/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c [2022-11-16 07:58:16,819 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b07f1c-6ada-4bd2-9d1e-bfa66e144f16/bin/ukojak-CydTVMUXoH/data/efe6ba73a/c24fabf6991c4ef79026dc92b8204a8b/FLAG5902d04db [2022-11-16 07:58:17,638 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 07:58:17,638 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b07f1c-6ada-4bd2-9d1e-bfa66e144f16/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c [2022-11-16 07:58:17,673 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b07f1c-6ada-4bd2-9d1e-bfa66e144f16/bin/ukojak-CydTVMUXoH/data/efe6ba73a/c24fabf6991c4ef79026dc92b8204a8b/FLAG5902d04db [2022-11-16 07:58:17,774 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b07f1c-6ada-4bd2-9d1e-bfa66e144f16/bin/ukojak-CydTVMUXoH/data/efe6ba73a/c24fabf6991c4ef79026dc92b8204a8b [2022-11-16 07:58:17,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 07:58:17,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 07:58:17,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 07:58:17,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 07:58:17,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 07:58:17,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:58:17" (1/1) ... [2022-11-16 07:58:17,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@646ea14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:17, skipping insertion in model container [2022-11-16 07:58:17,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:58:17" (1/1) ... [2022-11-16 07:58:17,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 07:58:17,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 07:58:18,143 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b07f1c-6ada-4bd2-9d1e-bfa66e144f16/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c[1014,1027] [2022-11-16 07:58:18,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:58:18,613 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 07:58:18,631 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b07f1c-6ada-4bd2-9d1e-bfa66e144f16/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bakery.5.prop1-back-serstep.c[1014,1027] [2022-11-16 07:58:18,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:58:18,908 INFO L208 MainTranslator]: Completed translation [2022-11-16 07:58:18,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:18 WrapperNode [2022-11-16 07:58:18,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 07:58:18,911 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 07:58:18,911 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 07:58:18,911 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 07:58:18,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:18" (1/1) ... [2022-11-16 07:58:18,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:18" (1/1) ... [2022-11-16 07:58:19,246 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4825 [2022-11-16 07:58:19,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 07:58:19,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 07:58:19,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 07:58:19,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 07:58:19,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:18" (1/1) ... [2022-11-16 07:58:19,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:18" (1/1) ... [2022-11-16 07:58:19,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:18" (1/1) ... [2022-11-16 07:58:19,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:18" (1/1) ... [2022-11-16 07:58:19,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:18" (1/1) ... [2022-11-16 07:58:19,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:18" (1/1) ... [2022-11-16 07:58:19,504 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:18" (1/1) ... [2022-11-16 07:58:19,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:18" (1/1) ... [2022-11-16 07:58:19,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 07:58:19,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 07:58:19,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 07:58:19,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 07:58:19,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:18" (1/1) ... [2022-11-16 07:58:19,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:58:19,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b07f1c-6ada-4bd2-9d1e-bfa66e144f16/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 07:58:19,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b07f1c-6ada-4bd2-9d1e-bfa66e144f16/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 07:58:19,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9b07f1c-6ada-4bd2-9d1e-bfa66e144f16/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 07:58:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 07:58:19,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 07:58:20,240 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 07:58:20,243 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 07:58:25,408 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 07:58:43,699 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 07:58:43,700 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 07:58:43,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:58:43 BoogieIcfgContainer [2022-11-16 07:58:43,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 07:58:43,704 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 07:58:43,704 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 07:58:43,714 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 07:58:43,714 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:58:43" (1/1) ... [2022-11-16 07:58:43,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 07:58:43,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:58:43,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-11-16 07:58:43,784 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-11-16 07:58:43,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 07:58:43,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:58:43,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 07:58:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 07:58:47,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 07:58:57,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:59:07,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 07:59:10,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 07:59:10,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-16 07:59:10,039 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-16 07:59:10,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 07:59:10,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 07:59:10,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms