./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.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_95b38ce2-273c-4320-a742-660565d686bb/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b38ce2-273c-4320-a742-660565d686bb/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_95b38ce2-273c-4320-a742-660565d686bb/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b38ce2-273c-4320-a742-660565d686bb/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b38ce2-273c-4320-a742-660565d686bb/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_95b38ce2-273c-4320-a742-660565d686bb/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 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:22:43,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:22:43,483 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:22:43,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:22:43,536 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:22:43,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:22:43,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:22:43,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:22:43,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:22:43,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:22:43,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:22:43,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:22:43,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:22:43,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:22:43,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:22:43,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:22:43,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:22:43,572 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:22:43,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:22:43,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:22:43,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:22:43,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:22:43,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:22:43,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:22:43,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:22:43,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:22:43,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:22:43,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:22:43,602 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:22:43,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:22:43,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:22:43,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:22:43,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:22:43,609 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:22:43,610 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:22:43,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:22:43,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:22:43,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:22:43,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:22:43,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:22:43,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:22:43,614 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b38ce2-273c-4320-a742-660565d686bb/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-23 01:22:43,654 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:22:43,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:22:43,656 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:22:43,656 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:22:43,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:22:43,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:22:43,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:22:43,657 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:22:43,657 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:22:43,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:22:43,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:22:43,666 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:22:43,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:22:43,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:22:43,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:22:43,667 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 01:22:43,667 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:22:43,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:22:43,667 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:22:43,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:22:43,667 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:22:43,668 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:22:43,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:22:43,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:22:43,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:22:43,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:22:43,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:22:43,669 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:22:43,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:22:43,671 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:22:43,671 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_95b38ce2-273c-4320-a742-660565d686bb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b38ce2-273c-4320-a742-660565d686bb/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef0a1d7c251abc753eabb723fe850489bfd10ab147ced1a31e6821eaf88c98 [2021-11-23 01:22:43,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:22:44,008 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:22:44,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:22:44,014 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:22:44,014 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:22:44,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b38ce2-273c-4320-a742-660565d686bb/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2021-11-23 01:22:44,094 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b38ce2-273c-4320-a742-660565d686bb/bin/ukojak-LBtLqBUTdQ/data/f8bd34bcf/f0cca81bf0d646ab8b6209ddc23da7cc/FLAG144ced56e [2021-11-23 01:22:44,717 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:22:44,718 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b38ce2-273c-4320-a742-660565d686bb/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i [2021-11-23 01:22:44,745 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b38ce2-273c-4320-a742-660565d686bb/bin/ukojak-LBtLqBUTdQ/data/f8bd34bcf/f0cca81bf0d646ab8b6209ddc23da7cc/FLAG144ced56e [2021-11-23 01:22:44,924 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b38ce2-273c-4320-a742-660565d686bb/bin/ukojak-LBtLqBUTdQ/data/f8bd34bcf/f0cca81bf0d646ab8b6209ddc23da7cc [2021-11-23 01:22:44,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:22:44,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:22:44,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:22:44,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:22:44,942 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:22:44,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:22:44" (1/1) ... [2021-11-23 01:22:44,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fe48dcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:44, skipping insertion in model container [2021-11-23 01:22:44,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:22:44" (1/1) ... [2021-11-23 01:22:44,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:22:45,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:22:45,504 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_95b38ce2-273c-4320-a742-660565d686bb/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[33021,33034] [2021-11-23 01:22:45,683 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_95b38ce2-273c-4320-a742-660565d686bb/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[45234,45247] [2021-11-23 01:22:45,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:22:45,699 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:22:45,738 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_95b38ce2-273c-4320-a742-660565d686bb/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[33021,33034] [2021-11-23 01:22:45,815 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_95b38ce2-273c-4320-a742-660565d686bb/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test8-1.i[45234,45247] [2021-11-23 01:22:45,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:22:45,864 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:22:45,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:45 WrapperNode [2021-11-23 01:22:45,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:22:45,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:22:45,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:22:45,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:22:45,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:45" (1/1) ... [2021-11-23 01:22:45,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:45" (1/1) ... [2021-11-23 01:22:46,002 INFO L137 Inliner]: procedures = 177, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2021-11-23 01:22:46,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:22:46,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:22:46,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:22:46,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:22:46,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:45" (1/1) ... [2021-11-23 01:22:46,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:45" (1/1) ... [2021-11-23 01:22:46,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:45" (1/1) ... [2021-11-23 01:22:46,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:45" (1/1) ... [2021-11-23 01:22:46,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:45" (1/1) ... [2021-11-23 01:22:46,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:45" (1/1) ... [2021-11-23 01:22:46,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:45" (1/1) ... [2021-11-23 01:22:46,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:22:46,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:22:46,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:22:46,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:22:46,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:45" (1/1) ... [2021-11-23 01:22:46,181 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:22:46,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b38ce2-273c-4320-a742-660565d686bb/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:22:46,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b38ce2-273c-4320-a742-660565d686bb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:22:46,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b38ce2-273c-4320-a742-660565d686bb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:22:46,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:22:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:22:46,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:22:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:22:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 01:22:46,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 01:22:46,245 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-23 01:22:46,246 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-23 01:22:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:22:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:22:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:22:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:22:46,246 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 01:22:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:22:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:22:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:22:46,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:22:46,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:22:46,467 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:22:46,469 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:22:47,738 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:22:48,184 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:22:48,184 INFO L301 CfgBuilder]: Removed 62 assume(true) statements. [2021-11-23 01:22:48,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:22:48 BoogieIcfgContainer [2021-11-23 01:22:48,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:22:48,190 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:22:48,190 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:22:48,200 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:22:48,201 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:22:48" (1/1) ... [2021-11-23 01:22:48,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:22:48,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 158 states and 268 transitions. [2021-11-23 01:22:48,303 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 268 transitions. [2021-11-23 01:22:48,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 01:22:48,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:48,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:48,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:22:48,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:48,521 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 01:22:48,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-23 01:22:48,580 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 25 treesize of output 17 [2021-11-23 01:22:48,590 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 01:22:48,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:48,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 161 states and 273 transitions. [2021-11-23 01:22:48,643 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 273 transitions. [2021-11-23 01:22:48,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:22:48,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:48,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:48,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:22:48,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:48,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-11-23 01:22:48,737 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 01:22:48,768 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 25 treesize of output 17 [2021-11-23 01:22:48,775 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 01:22:48,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:48,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 162 states and 274 transitions. [2021-11-23 01:22:48,791 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 274 transitions. [2021-11-23 01:22:48,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:22:48,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:48,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:48,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 01:22:48,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:48,873 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 01:22:48,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:48,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 162 states and 272 transitions. [2021-11-23 01:22:48,881 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 272 transitions. [2021-11-23 01:22:48,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:22:48,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:48,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:48,954 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 01:22:49,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:49,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 162 states and 267 transitions. [2021-11-23 01:22:49,037 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 267 transitions. [2021-11-23 01:22:49,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:22:49,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:49,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:49,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 01:22:49,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:49,117 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 01:22:49,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:49,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 162 states and 263 transitions. [2021-11-23 01:22:49,124 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 263 transitions. [2021-11-23 01:22:49,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:22:49,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:49,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:49,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 01:22:49,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:49,216 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 01:22:49,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:49,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 162 states and 257 transitions. [2021-11-23 01:22:49,224 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 257 transitions. [2021-11-23 01:22:49,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:22:49,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:49,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:49,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 01:22:49,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:49,335 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 01:22:49,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:49,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 162 states and 249 transitions. [2021-11-23 01:22:49,406 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 249 transitions. [2021-11-23 01:22:49,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:22:49,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:49,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:49,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:22:49,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:49,636 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 01:22:50,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:50,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 191 states and 288 transitions. [2021-11-23 01:22:50,160 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 288 transitions. [2021-11-23 01:22:50,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:22:50,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:50,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:50,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:22:50,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:50,357 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 01:22:51,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:51,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 221 states and 329 transitions. [2021-11-23 01:22:51,200 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 329 transitions. [2021-11-23 01:22:51,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:22:51,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:51,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:51,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 01:22:51,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:51,334 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 01:22:51,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:51,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 221 states and 327 transitions. [2021-11-23 01:22:51,343 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 327 transitions. [2021-11-23 01:22:51,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:22:51,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:51,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:51,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 01:22:51,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:51,474 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 01:22:51,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:51,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 221 states and 325 transitions. [2021-11-23 01:22:51,483 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 325 transitions. [2021-11-23 01:22:51,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:22:51,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:51,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:51,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:22:51,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:51,660 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 01:22:51,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:51,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 224 states and 327 transitions. [2021-11-23 01:22:51,688 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 327 transitions. [2021-11-23 01:22:51,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:22:51,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:51,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:51,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-23 01:22:51,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:51,845 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 01:22:51,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:51,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 224 states and 325 transitions. [2021-11-23 01:22:51,912 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 325 transitions. [2021-11-23 01:22:51,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:22:51,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:51,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:52,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:22:52,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:52,102 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 01:22:52,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:52,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 227 states and 327 transitions. [2021-11-23 01:22:52,126 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 327 transitions. [2021-11-23 01:22:52,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:22:52,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:52,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:52,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:22:52,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:52,356 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 01:22:53,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:53,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 241 states and 345 transitions. [2021-11-23 01:22:53,033 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 345 transitions. [2021-11-23 01:22:53,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:22:53,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:53,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:53,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:22:53,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:53,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:22:53,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:53,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 253 states and 360 transitions. [2021-11-23 01:22:53,292 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 360 transitions. [2021-11-23 01:22:53,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:22:53,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:53,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:53,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:22:53,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:53,492 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 01:22:53,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:53,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 256 states and 362 transitions. [2021-11-23 01:22:53,510 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 362 transitions. [2021-11-23 01:22:53,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:22:53,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:53,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:53,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:22:53,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:53,697 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:22:53,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:53,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 268 states and 377 transitions. [2021-11-23 01:22:53,768 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 377 transitions. [2021-11-23 01:22:53,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:22:53,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:53,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:54,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:22:54,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:54,207 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 01:22:54,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:54,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 270 states and 381 transitions. [2021-11-23 01:22:54,705 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 381 transitions. [2021-11-23 01:22:54,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:22:54,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:54,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:54,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:22:54,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:55,191 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:22:55,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:55,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 270 states and 381 transitions. [2021-11-23 01:22:55,510 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 381 transitions. [2021-11-23 01:22:55,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:22:55,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:55,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:55,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:55,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:22:55,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:56,180 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 01:22:56,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:56,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 272 states and 385 transitions. [2021-11-23 01:22:56,735 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 385 transitions. [2021-11-23 01:22:56,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:22:56,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:56,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:57,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:22:57,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:57,468 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 01:22:58,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:58,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 274 states and 390 transitions. [2021-11-23 01:22:58,274 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 390 transitions. [2021-11-23 01:22:58,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:22:58,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:58,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:58,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:22:58,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:58,831 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 01:22:59,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:59,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 276 states and 396 transitions. [2021-11-23 01:22:59,666 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 396 transitions. [2021-11-23 01:22:59,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:22:59,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:59,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:59,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:22:59,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:00,501 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 01:23:03,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:03,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 275 states and 395 transitions. [2021-11-23 01:23:03,506 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 395 transitions. [2021-11-23 01:23:03,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:23:03,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:03,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:03,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 01:23:03,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:04,486 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 01:23:06,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:06,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 277 states and 398 transitions. [2021-11-23 01:23:06,022 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 398 transitions. [2021-11-23 01:23:06,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:23:06,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:06,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:06,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 01:23:06,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:06,842 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 01:23:08,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:08,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 279 states and 402 transitions. [2021-11-23 01:23:08,513 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 402 transitions. [2021-11-23 01:23:08,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:23:08,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:08,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:09,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:23:09,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:11,015 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 01:23:14,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:14,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 281 states and 412 transitions. [2021-11-23 01:23:14,230 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 412 transitions. [2021-11-23 01:23:14,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:23:14,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:14,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:18,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 01:23:18,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:20,146 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 11 proven. 136 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:23:22,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:22,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 281 states and 412 transitions. [2021-11-23 01:23:22,552 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 412 transitions. [2021-11-23 01:23:22,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:23:22,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:22,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:23,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-23 01:23:23,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:24,867 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 01:23:27,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:27,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 281 states and 412 transitions. [2021-11-23 01:23:27,400 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 412 transitions. [2021-11-23 01:23:27,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:23:27,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:27,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:28,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 01:23:28,354 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:29,503 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 136 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:23:31,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:31,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 281 states and 412 transitions. [2021-11-23 01:23:31,097 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 412 transitions. [2021-11-23 01:23:31,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:23:31,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:31,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:32,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 01:23:32,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:33,065 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 136 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:23:33,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:33,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 281 states and 412 transitions. [2021-11-23 01:23:33,283 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 412 transitions. [2021-11-23 01:23:33,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:23:33,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:33,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:34,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:23:34,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:35,931 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 136 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:23:37,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:37,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 281 states and 412 transitions. [2021-11-23 01:23:37,504 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 412 transitions. [2021-11-23 01:23:37,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:23:37,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:37,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:38,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:23:38,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:38,687 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 136 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:23:38,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:38,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 281 states and 412 transitions. [2021-11-23 01:23:38,966 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 412 transitions. [2021-11-23 01:23:38,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:23:38,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:38,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:39,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 01:23:39,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:40,670 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 01:23:43,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:43,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 283 states and 416 transitions. [2021-11-23 01:23:43,142 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 416 transitions. [2021-11-23 01:23:43,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:23:43,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:43,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:44,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:23:44,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:45,831 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 01:23:50,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:50,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 285 states and 428 transitions. [2021-11-23 01:23:50,171 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 428 transitions. [2021-11-23 01:23:50,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:23:50,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:50,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:51,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-23 01:23:51,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:53,407 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 12 proven. 210 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:23:55,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:55,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 285 states and 428 transitions. [2021-11-23 01:23:55,977 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 428 transitions. [2021-11-23 01:23:55,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:23:55,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:55,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:57,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:23:57,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:58,805 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 12 proven. 210 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:24:01,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:01,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 285 states and 428 transitions. [2021-11-23 01:24:01,015 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 428 transitions. [2021-11-23 01:24:01,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:24:01,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:01,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:02,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:24:02,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:02,992 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 12 proven. 210 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:24:03,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:03,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 285 states and 428 transitions. [2021-11-23 01:24:03,367 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 428 transitions. [2021-11-23 01:24:03,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:24:03,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:03,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:06,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-23 01:24:06,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:06,235 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 12 proven. 210 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:24:06,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:06,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 285 states and 428 transitions. [2021-11-23 01:24:06,245 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 428 transitions. [2021-11-23 01:24:06,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:24:06,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:06,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:07,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:24:07,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:07,484 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 01:24:10,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:10,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 287 states and 441 transitions. [2021-11-23 01:24:10,591 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 441 transitions. [2021-11-23 01:24:10,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:24:10,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:10,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-23 01:24:20,785 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 01:24:20,788 INFO L158 Benchmark]: Toolchain (without parser) took 95859.86ms. Allocated memory was 109.1MB in the beginning and 276.8MB in the end (delta: 167.8MB). Free memory was 71.9MB in the beginning and 188.3MB in the end (delta: -116.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2021-11-23 01:24:20,789 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 83.0MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:24:20,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 926.36ms. Allocated memory is still 109.1MB. Free memory was 71.6MB in the beginning and 60.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:24:20,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.67ms. Allocated memory is still 109.1MB. Free memory was 60.6MB in the beginning and 54.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:24:20,792 INFO L158 Benchmark]: Boogie Preprocessor took 168.80ms. Allocated memory is still 109.1MB. Free memory was 54.3MB in the beginning and 46.9MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:24:20,793 INFO L158 Benchmark]: RCFGBuilder took 2016.55ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 46.9MB in the beginning and 79.5MB in the end (delta: -32.6MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2021-11-23 01:24:20,794 INFO L158 Benchmark]: CodeCheck took 92597.22ms. Allocated memory was 142.6MB in the beginning and 276.8MB in the end (delta: 134.2MB). Free memory was 79.5MB in the beginning and 188.3MB in the end (delta: -108.8MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2021-11-23 01:24:20,797 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 0.30ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 83.0MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 926.36ms. Allocated memory is still 109.1MB. Free memory was 71.6MB in the beginning and 60.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 136.67ms. Allocated memory is still 109.1MB. Free memory was 60.6MB in the beginning and 54.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 168.80ms. Allocated memory is still 109.1MB. Free memory was 54.3MB in the beginning and 46.9MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2016.55ms. Allocated memory was 109.1MB in the beginning and 142.6MB in the end (delta: 33.6MB). Free memory was 46.9MB in the beginning and 79.5MB in the end (delta: -32.6MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * CodeCheck took 92597.22ms. Allocated memory was 142.6MB in the beginning and 276.8MB in the end (delta: 134.2MB). Free memory was 79.5MB in the beginning and 188.3MB in the end (delta: -108.8MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:24:20,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95b38ce2-273c-4320-a742-660565d686bb/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_95b38ce2-273c-4320-a742-660565d686bb/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