./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f6bf6d70eb07e52125f91259e05d2dabd63dc1b16a64b1f25a229511f6ff83f8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:59:39,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:59:39,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:59:39,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:59:39,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:59:39,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:59:39,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:59:39,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:59:39,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:59:39,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:59:39,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:59:39,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:59:39,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:59:39,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:59:39,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:59:39,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:59:39,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:59:39,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:59:39,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:59:39,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:59:39,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:59:39,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:59:39,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:59:39,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:59:39,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:59:39,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:59:39,462 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:59:39,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:59:39,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:59:39,466 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:59:39,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:59:39,467 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:59:39,468 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:59:39,469 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:59:39,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:59:39,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:59:39,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:59:39,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:59:39,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:59:39,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:59:39,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:59:39,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-23 00:59:39,503 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:59:39,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:59:39,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:59:39,505 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:59:39,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:59:39,506 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:59:39,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:59:39,506 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:59:39,506 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 00:59:39,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:59:39,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:59:39,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:59:39,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:59:39,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:59:39,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:59:39,509 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 00:59:39,509 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:59:39,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:59:39,510 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:59:39,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:59:39,510 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:59:39,510 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:59:39,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:59:39,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:59:39,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:59:39,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:59:39,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:59:39,512 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:59:39,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:59:39,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:59:39,513 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_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6bf6d70eb07e52125f91259e05d2dabd63dc1b16a64b1f25a229511f6ff83f8 [2021-11-23 00:59:39,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:59:39,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:59:39,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:59:39,775 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:59:39,775 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:59:39,777 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i [2021-11-23 00:59:39,858 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/bin/ukojak-LBtLqBUTdQ/data/066f9e88c/57ce1f6138644af7bee9c78b772ff6d0/FLAG0aefc3427 [2021-11-23 00:59:40,446 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:59:40,447 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i [2021-11-23 00:59:40,469 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/bin/ukojak-LBtLqBUTdQ/data/066f9e88c/57ce1f6138644af7bee9c78b772ff6d0/FLAG0aefc3427 [2021-11-23 00:59:40,816 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/bin/ukojak-LBtLqBUTdQ/data/066f9e88c/57ce1f6138644af7bee9c78b772ff6d0 [2021-11-23 00:59:40,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:59:40,820 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:59:40,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:59:40,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:59:40,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:59:40,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:40" (1/1) ... [2021-11-23 00:59:40,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77160b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:40, skipping insertion in model container [2021-11-23 00:59:40,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:40" (1/1) ... [2021-11-23 00:59:40,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:59:40,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:59:41,359 WARN L230 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_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i[33021,33034] [2021-11-23 00:59:41,535 WARN L230 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_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i[44590,44603] [2021-11-23 00:59:41,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:59:41,561 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:59:41,604 WARN L230 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_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i[33021,33034] [2021-11-23 00:59:41,693 WARN L230 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_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-1.i[44590,44603] [2021-11-23 00:59:41,702 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:59:41,750 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:59:41,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:41 WrapperNode [2021-11-23 00:59:41,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:59:41,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:59:41,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:59:41,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:59:41,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:41" (1/1) ... [2021-11-23 00:59:41,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:41" (1/1) ... [2021-11-23 00:59:41,910 INFO L137 Inliner]: procedures = 177, calls = 285, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1034 [2021-11-23 00:59:41,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:59:41,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:59:41,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:59:41,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:59:41,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:41" (1/1) ... [2021-11-23 00:59:41,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:41" (1/1) ... [2021-11-23 00:59:41,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:41" (1/1) ... [2021-11-23 00:59:41,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:41" (1/1) ... [2021-11-23 00:59:41,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:41" (1/1) ... [2021-11-23 00:59:42,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:41" (1/1) ... [2021-11-23 00:59:42,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:41" (1/1) ... [2021-11-23 00:59:42,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:59:42,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:59:42,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:59:42,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:59:42,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:41" (1/1) ... [2021-11-23 00:59:42,027 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:59:42,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:59:42,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:59:42,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:59:42,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:59:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 00:59:42,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 00:59:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:59:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 00:59:42,140 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 00:59:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:59:42,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:59:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 00:59:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:59:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 00:59:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 00:59:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:59:42,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:59:42,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:59:42,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:59:42,340 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:59:42,342 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:59:43,520 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:59:43,951 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:59:43,951 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-23 00:59:43,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:43 BoogieIcfgContainer [2021-11-23 00:59:43,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:59:43,957 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:59:43,957 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:59:43,967 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:59:43,967 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:43" (1/1) ... [2021-11-23 00:59:43,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:59:44,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:44,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 133 states and 223 transitions. [2021-11-23 00:59:44,066 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 223 transitions. [2021-11-23 00:59:44,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:59:44,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:44,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:44,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:59:44,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:44,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 00:59:44,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-11-23 00:59:44,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:44,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:44,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 136 states and 228 transitions. [2021-11-23 00:59:44,428 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 228 transitions. [2021-11-23 00:59:44,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:59:44,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:44,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:44,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:59:44,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:44,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-23 00:59:44,593 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2021-11-23 00:59:44,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:44,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:44,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 137 states and 229 transitions. [2021-11-23 00:59:44,621 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 229 transitions. [2021-11-23 00:59:44,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:59:44,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:44,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:44,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:44,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:44,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 137 states and 228 transitions. [2021-11-23 00:59:44,732 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 228 transitions. [2021-11-23 00:59:44,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:59:44,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:44,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:44,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:44,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:59:44,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:44,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:44,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:44,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 137 states and 226 transitions. [2021-11-23 00:59:44,851 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 226 transitions. [2021-11-23 00:59:44,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:59:44,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:44,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:44,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:45,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:45,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 137 states and 225 transitions. [2021-11-23 00:59:45,034 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 225 transitions. [2021-11-23 00:59:45,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:59:45,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:45,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:45,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:59:45,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:45,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:45,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:45,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 137 states and 221 transitions. [2021-11-23 00:59:45,142 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 221 transitions. [2021-11-23 00:59:45,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:59:45,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:45,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:45,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:59:45,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:45,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:45,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:45,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 137 states and 215 transitions. [2021-11-23 00:59:45,257 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 215 transitions. [2021-11-23 00:59:45,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:59:45,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:45,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:45,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:45,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:59:45,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:45,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:45,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:45,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 137 states and 207 transitions. [2021-11-23 00:59:45,433 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 207 transitions. [2021-11-23 00:59:45,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:59:45,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:45,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:45,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:59:45,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:45,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:46,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:46,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 151 states and 224 transitions. [2021-11-23 00:59:46,054 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 224 transitions. [2021-11-23 00:59:46,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:59:46,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:46,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:46,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:59:46,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:46,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:46,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:46,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 151 states and 222 transitions. [2021-11-23 00:59:46,200 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 222 transitions. [2021-11-23 00:59:46,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:59:46,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:46,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:46,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 00:59:46,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:46,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:46,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:46,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 151 states and 220 transitions. [2021-11-23 00:59:46,343 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 220 transitions. [2021-11-23 00:59:46,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:59:46,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:46,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:46,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:59:46,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:46,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:59:46,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:46,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 154 states and 222 transitions. [2021-11-23 00:59:46,557 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 222 transitions. [2021-11-23 00:59:46,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:59:46,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:46,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:46,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 00:59:46,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:47,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:47,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:47,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 156 states and 226 transitions. [2021-11-23 00:59:47,190 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 226 transitions. [2021-11-23 00:59:47,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:59:47,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:47,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:47,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 00:59:47,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:47,531 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:59:47,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:47,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 158 states and 230 transitions. [2021-11-23 00:59:47,798 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 230 transitions. [2021-11-23 00:59:47,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:59:47,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:47,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:48,274 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 00:59:48,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:48,444 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:59:48,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:48,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 160 states and 235 transitions. [2021-11-23 00:59:48,778 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 235 transitions. [2021-11-23 00:59:48,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:59:48,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:48,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:49,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 00:59:49,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:49,512 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:59:49,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:49,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 162 states and 241 transitions. [2021-11-23 00:59:49,930 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 241 transitions. [2021-11-23 00:59:49,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:59:49,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:49,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:50,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 00:59:50,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:50,531 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:59:51,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:51,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 161 states and 244 transitions. [2021-11-23 00:59:51,299 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 244 transitions. [2021-11-23 00:59:51,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:59:51,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:51,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:51,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 00:59:51,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:52,148 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 00:59:52,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:52,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 163 states and 247 transitions. [2021-11-23 00:59:52,707 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 247 transitions. [2021-11-23 00:59:52,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:59:52,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:52,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:53,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 00:59:53,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:54,172 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 9 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 00:59:54,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:54,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 163 states and 247 transitions. [2021-11-23 00:59:54,756 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 247 transitions. [2021-11-23 00:59:54,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:59:54,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:54,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:55,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:59:55,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:55,707 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 8 proven. 78 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 00:59:56,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:56,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 163 states and 247 transitions. [2021-11-23 00:59:56,266 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 247 transitions. [2021-11-23 00:59:56,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:59:56,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:56,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:57,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 00:59:57,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:57,316 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 51 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-23 00:59:57,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:57,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 165 states and 250 transitions. [2021-11-23 00:59:57,769 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 250 transitions. [2021-11-23 00:59:57,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:59:57,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:57,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:59,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 00:59:59,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:59:59,911 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 66 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:00:00,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:00,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 167 states and 253 transitions. [2021-11-23 01:00:00,932 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 253 transitions. [2021-11-23 01:00:00,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:00:00,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:00,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:02,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-23 01:00:02,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:03,047 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 13 proven. 136 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:00:04,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:04,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 167 states and 253 transitions. [2021-11-23 01:00:04,069 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 253 transitions. [2021-11-23 01:00:04,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:00:04,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:04,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:04,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:00:04,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:05,089 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 13 proven. 136 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:00:05,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:05,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 167 states and 253 transitions. [2021-11-23 01:00:05,099 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 253 transitions. [2021-11-23 01:00:05,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:00:05,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:05,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:06,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:00:06,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:06,594 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 83 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-23 01:00:07,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:07,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 169 states and 265 transitions. [2021-11-23 01:00:07,650 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 265 transitions. [2021-11-23 01:00:07,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:00:07,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:07,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:09,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:00:09,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:10,006 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 102 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:00:11,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:11,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 171 states and 268 transitions. [2021-11-23 01:00:11,496 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 268 transitions. [2021-11-23 01:00:11,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:00:11,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:11,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:12,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-23 01:00:12,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:13,896 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-23 01:00:15,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:15,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 173 states and 271 transitions. [2021-11-23 01:00:15,728 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 271 transitions. [2021-11-23 01:00:15,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:00:15,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:15,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:16,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-23 01:00:16,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:17,764 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 146 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-23 01:00:19,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:19,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 175 states and 274 transitions. [2021-11-23 01:00:19,821 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 274 transitions. [2021-11-23 01:00:19,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:00:19,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:19,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:24,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-23 01:00:24,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:25,400 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 27 proven. 287 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:00:26,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:26,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 175 states and 274 transitions. [2021-11-23 01:00:26,765 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 274 transitions. [2021-11-23 01:00:26,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:00:26,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:26,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:28,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:28,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-23 01:00:28,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:29,431 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 27 proven. 287 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:00:29,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:29,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 175 states and 274 transitions. [2021-11-23 01:00:29,440 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 274 transitions. [2021-11-23 01:00:29,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:00:29,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:29,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:32,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 01:00:32,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 171 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-23 01:00:33,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:33,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 177 states and 277 transitions. [2021-11-23 01:00:33,780 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 277 transitions. [2021-11-23 01:00:33,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:00:33,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:33,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:37,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:00:37,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:38,381 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 197 proven. 91 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-23 01:00:39,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:39,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 177 states and 277 transitions. [2021-11-23 01:00:39,986 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 277 transitions. [2021-11-23 01:00:39,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:00:39,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:39,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:42,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:00:42,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:00:44,451 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 198 proven. 91 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-23 01:00:47,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:47,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 179 states and 281 transitions. [2021-11-23 01:00:47,463 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 281 transitions. [2021-11-23 01:00:47,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:00:47,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:47,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-23 01:00:57,648 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) [2021-11-23 01:00:57,652 INFO L158 Benchmark]: Toolchain (without parser) took 76831.53ms. Allocated memory was 96.5MB in the beginning and 213.9MB in the end (delta: 117.4MB). Free memory was 61.0MB in the beginning and 61.3MB in the end (delta: -320.3kB). Peak memory consumption was 117.6MB. Max. memory is 16.1GB. [2021-11-23 01:00:57,653 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory was 49.6MB in the beginning and 49.6MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:00:57,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 917.95ms. Allocated memory is still 96.5MB. Free memory was 60.8MB in the beginning and 47.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:00:57,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 158.65ms. Allocated memory was 96.5MB in the beginning and 134.2MB in the end (delta: 37.7MB). Free memory was 47.7MB in the beginning and 104.9MB in the end (delta: -57.2MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2021-11-23 01:00:57,654 INFO L158 Benchmark]: Boogie Preprocessor took 104.70ms. Allocated memory is still 134.2MB. Free memory was 104.9MB in the beginning and 97.7MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:00:57,655 INFO L158 Benchmark]: RCFGBuilder took 1939.02ms. Allocated memory is still 134.2MB. Free memory was 97.7MB in the beginning and 69.7MB in the end (delta: 28.0MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2021-11-23 01:00:57,656 INFO L158 Benchmark]: CodeCheck took 73693.55ms. Allocated memory was 134.2MB in the beginning and 213.9MB in the end (delta: 79.7MB). Free memory was 69.7MB in the beginning and 61.3MB in the end (delta: 8.4MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. [2021-11-23 01:00:57,659 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 0.31ms. Allocated memory is still 96.5MB. Free memory was 49.6MB in the beginning and 49.6MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 917.95ms. Allocated memory is still 96.5MB. Free memory was 60.8MB in the beginning and 47.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 158.65ms. Allocated memory was 96.5MB in the beginning and 134.2MB in the end (delta: 37.7MB). Free memory was 47.7MB in the beginning and 104.9MB in the end (delta: -57.2MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.70ms. Allocated memory is still 134.2MB. Free memory was 104.9MB in the beginning and 97.7MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1939.02ms. Allocated memory is still 134.2MB. Free memory was 97.7MB in the beginning and 69.7MB in the end (delta: 28.0MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. * CodeCheck took 73693.55ms. Allocated memory was 134.2MB in the beginning and 213.9MB in the end (delta: 79.7MB). Free memory was 69.7MB in the beginning and 61.3MB in the end (delta: 8.4MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:00:57,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/bin/ukojak-LBtLqBUTdQ/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 No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c217c27e-21c9-4aa7-8c3c-21b5a82aabbd/bin/ukojak-LBtLqBUTdQ/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown