./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_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_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/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_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/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_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/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 b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:13:36,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:13:36,575 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:13:36,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:13:36,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:13:36,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:13:36,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:13:36,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:13:36,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:13:36,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:13:36,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:13:36,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:13:36,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:13:36,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:13:36,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:13:36,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:13:36,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:13:36,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:13:36,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:13:36,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:13:36,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:13:36,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:13:36,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:13:36,683 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:13:36,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:13:36,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:13:36,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:13:36,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:13:36,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:13:36,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:13:36,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:13:36,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:13:36,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:13:36,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:13:36,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:13:36,710 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:13:36,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:13:36,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:13:36,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:13:36,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:13:36,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:13:36,715 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/bin/ukojak-LBtLqBUTdQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-22 23:13:36,766 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:13:36,767 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:13:36,768 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:13:36,768 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:13:36,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:13:36,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:13:36,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:13:36,770 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:13:36,770 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:13:36,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:13:36,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:13:36,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:13:36,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:13:36,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:13:36,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:13:36,771 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-22 23:13:36,772 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:13:36,772 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:13:36,772 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:13:36,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:13:36,773 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:13:36,773 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:13:36,773 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:13:36,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:13:36,774 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:13:36,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:13:36,774 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:13:36,774 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:13:36,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:13:36,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:13:36,775 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_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6c6a722152c52daf4f5e799c877f12032a99023b4a9ea1a935c1ce634969e85 [2021-11-22 23:13:37,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:13:37,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:13:37,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:13:37,144 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:13:37,146 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:13:37,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2021-11-22 23:13:37,231 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/bin/ukojak-LBtLqBUTdQ/data/595886669/bac691cc0ab84bd5a57e4e972a86c6db/FLAG3792b502c [2021-11-22 23:13:38,026 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:13:38,027 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i [2021-11-22 23:13:38,049 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/bin/ukojak-LBtLqBUTdQ/data/595886669/bac691cc0ab84bd5a57e4e972a86c6db/FLAG3792b502c [2021-11-22 23:13:38,173 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/bin/ukojak-LBtLqBUTdQ/data/595886669/bac691cc0ab84bd5a57e4e972a86c6db [2021-11-22 23:13:38,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:13:38,178 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:13:38,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:13:38,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:13:38,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:13:38,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:13:38" (1/1) ... [2021-11-22 23:13:38,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cad5e70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:38, skipping insertion in model container [2021-11-22 23:13:38,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:13:38" (1/1) ... [2021-11-22 23:13:38,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:13:38,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:13:38,801 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_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i[33021,33034] [2021-11-22 23:13:38,973 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_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i[45234,45247] [2021-11-22 23:13:38,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:13:39,007 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:13:39,039 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_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i[33021,33034] [2021-11-22 23:13:39,146 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_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test8-1.i[45234,45247] [2021-11-22 23:13:39,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:13:39,205 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:13:39,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39 WrapperNode [2021-11-22 23:13:39,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:13:39,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:13:39,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:13:39,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:13:39,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:39,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:39,355 INFO L137 Inliner]: procedures = 177, calls = 297, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1002 [2021-11-22 23:13:39,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:13:39,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:13:39,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:13:39,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:13:39,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:39,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:39,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:39,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:39,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:39,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:39,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:39,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:13:39,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:13:39,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:13:39,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:13:39,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:13:39" (1/1) ... [2021-11-22 23:13:39,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:13:39,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:13:39,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:13:39,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:13:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:13:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-22 23:13:39,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-22 23:13:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:13:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-22 23:13:39,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-22 23:13:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2021-11-22 23:13:39,585 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2021-11-22 23:13:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:13:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:13:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:13:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:13:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-22 23:13:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:13:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:13:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:13:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:13:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:13:39,907 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:13:39,914 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:13:41,094 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:13:41,525 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:13:41,525 INFO L301 CfgBuilder]: Removed 62 assume(true) statements. [2021-11-22 23:13:41,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:13:41 BoogieIcfgContainer [2021-11-22 23:13:41,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:13:41,549 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:13:41,550 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:13:41,562 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:13:41,562 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:13:41" (1/1) ... [2021-11-22 23:13:41,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:13:41,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:41,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 158 states and 268 transitions. [2021-11-22 23:13:41,681 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 268 transitions. [2021-11-22 23:13:41,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-22 23:13:41,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:41,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:41,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:13:41,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:41,997 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 [2021-11-22 23:13:42,009 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 [2021-11-22 23:13:42,095 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 [2021-11-22 23:13:42,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:42,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:42,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 161 states and 273 transitions. [2021-11-22 23:13:42,184 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 273 transitions. [2021-11-22 23:13:42,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:13:42,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:42,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:42,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-22 23:13:42,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:42,319 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 [2021-11-22 23:13:42,324 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 [2021-11-22 23:13:42,372 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 [2021-11-22 23:13:42,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:42,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:42,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 162 states and 274 transitions. [2021-11-22 23:13:42,396 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 274 transitions. [2021-11-22 23:13:42,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:13:42,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:42,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:42,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-22 23:13:42,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:42,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:42,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:42,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 162 states and 272 transitions. [2021-11-22 23:13:42,487 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 272 transitions. [2021-11-22 23:13:42,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:13:42,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:42,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:42,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:42,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:42,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 162 states and 267 transitions. [2021-11-22 23:13:42,726 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 267 transitions. [2021-11-22 23:13:42,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:13:42,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:42,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:42,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-22 23:13:42,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:42,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:42,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:42,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 162 states and 263 transitions. [2021-11-22 23:13:42,821 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 263 transitions. [2021-11-22 23:13:42,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:13:42,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:42,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:42,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-22 23:13:42,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:42,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:42,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:42,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 162 states and 257 transitions. [2021-11-22 23:13:42,929 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 257 transitions. [2021-11-22 23:13:42,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:13:42,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:42,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:43,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:43,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-22 23:13:43,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:43,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:43,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:43,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 162 states and 249 transitions. [2021-11-22 23:13:43,130 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 249 transitions. [2021-11-22 23:13:43,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:13:43,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:43,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:43,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:13:43,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:43,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:43,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:43,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 191 states and 288 transitions. [2021-11-22 23:13:43,930 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 288 transitions. [2021-11-22 23:13:43,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:13:43,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:43,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:44,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:13:44,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:44,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:45,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:45,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 221 states and 329 transitions. [2021-11-22 23:13:45,098 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 329 transitions. [2021-11-22 23:13:45,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:13:45,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:45,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:45,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-22 23:13:45,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:45,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:45,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:45,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 221 states and 327 transitions. [2021-11-22 23:13:45,271 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 327 transitions. [2021-11-22 23:13:45,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:13:45,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:45,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:45,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-22 23:13:45,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:45,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:45,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:45,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 221 states and 325 transitions. [2021-11-22 23:13:45,426 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 325 transitions. [2021-11-22 23:13:45,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:13:45,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:45,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:45,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:13:45,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:45,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:13:45,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:45,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 224 states and 327 transitions. [2021-11-22 23:13:45,649 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 327 transitions. [2021-11-22 23:13:45,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:13:45,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:45,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:45,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-22 23:13:45,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:45,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:45,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 224 states and 325 transitions. [2021-11-22 23:13:45,874 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 325 transitions. [2021-11-22 23:13:45,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:13:45,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:45,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:45,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:13:45,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:46,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:13:46,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:46,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 227 states and 327 transitions. [2021-11-22 23:13:46,064 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 327 transitions. [2021-11-22 23:13:46,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:13:46,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:46,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:46,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:13:46,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:46,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:47,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:47,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 241 states and 345 transitions. [2021-11-22 23:13:47,053 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 345 transitions. [2021-11-22 23:13:47,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:13:47,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:47,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:47,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:13:47,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:47,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:13:47,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:47,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 253 states and 360 transitions. [2021-11-22 23:13:47,335 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 360 transitions. [2021-11-22 23:13:47,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-22 23:13:47,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:47,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:47,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:13:47,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:47,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:13:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:47,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 256 states and 362 transitions. [2021-11-22 23:13:47,616 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 362 transitions. [2021-11-22 23:13:47,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:13:47,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:47,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:47,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-22 23:13:47,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:47,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:13:47,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:47,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 268 states and 377 transitions. [2021-11-22 23:13:47,910 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 377 transitions. [2021-11-22 23:13:47,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:13:47,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:47,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:48,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-22 23:13:48,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:48,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:13:49,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:49,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 270 states and 381 transitions. [2021-11-22 23:13:49,153 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 381 transitions. [2021-11-22 23:13:49,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:13:49,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:49,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:49,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-22 23:13:49,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:49,735 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:13:50,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:50,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 270 states and 381 transitions. [2021-11-22 23:13:50,142 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 381 transitions. [2021-11-22 23:13:50,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:13:50,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:50,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:50,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:13:50,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:50,871 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:13:51,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:51,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 272 states and 385 transitions. [2021-11-22 23:13:51,512 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 385 transitions. [2021-11-22 23:13:51,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:13:51,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:51,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:52,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-22 23:13:52,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:52,389 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:13:53,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:53,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 274 states and 390 transitions. [2021-11-22 23:13:53,367 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 390 transitions. [2021-11-22 23:13:53,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:13:53,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:53,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:53,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-22 23:13:53,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:54,038 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:13:55,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:55,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 276 states and 396 transitions. [2021-11-22 23:13:55,128 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 396 transitions. [2021-11-22 23:13:55,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:13:55,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:55,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:55,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-22 23:13:55,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:13:56,175 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:13:59,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:59,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 275 states and 395 transitions. [2021-11-22 23:13:59,006 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 395 transitions. [2021-11-22 23:13:59,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:13:59,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:59,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:59,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-22 23:13:59,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:00,158 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:14:00,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:00,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 275 states and 395 transitions. [2021-11-22 23:14:00,960 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 395 transitions. [2021-11-22 23:14:00,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:14:00,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:00,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:01,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:14:01,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:01,998 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:14:02,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:02,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 275 states and 395 transitions. [2021-11-22 23:14:02,009 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 395 transitions. [2021-11-22 23:14:02,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:14:02,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:02,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:02,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-22 23:14:02,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:02,742 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:14:03,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:03,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 277 states and 398 transitions. [2021-11-22 23:14:03,669 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 398 transitions. [2021-11-22 23:14:03,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:14:03,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:03,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:04,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-22 23:14:04,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:05,620 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 9 proven. 78 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:14:06,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:06,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 277 states and 398 transitions. [2021-11-22 23:14:06,883 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 398 transitions. [2021-11-22 23:14:06,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:14:06,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:06,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:07,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:07,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-22 23:14:07,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:08,092 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 8 proven. 78 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:14:09,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:09,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 277 states and 398 transitions. [2021-11-22 23:14:09,120 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 398 transitions. [2021-11-22 23:14:09,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-22 23:14:09,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:09,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:09,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-22 23:14:09,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:10,006 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 51 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:14:11,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:11,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 279 states and 401 transitions. [2021-11-22 23:14:11,351 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 401 transitions. [2021-11-22 23:14:11,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:14:11,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:11,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:12,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-22 23:14:12,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:13,135 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 66 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:14:16,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:16,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 281 states and 411 transitions. [2021-11-22 23:14:16,184 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 411 transitions. [2021-11-22 23:14:16,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:14:16,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:16,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:18,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-22 23:14:18,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:19,469 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 136 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:14:21,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:21,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 281 states and 411 transitions. [2021-11-22 23:14:21,105 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 411 transitions. [2021-11-22 23:14:21,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:14:21,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:21,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:22,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-22 23:14:22,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:23,220 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 83 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-22 23:14:26,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:26,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 283 states and 423 transitions. [2021-11-22 23:14:26,410 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 423 transitions. [2021-11-22 23:14:26,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:14:26,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:26,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:27,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-22 23:14:27,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:30,055 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 102 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-22 23:14:38,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:38,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 285 states and 420 transitions. [2021-11-22 23:14:38,346 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 420 transitions. [2021-11-22 23:14:38,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:14:38,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:38,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:39,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:39,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-22 23:14:39,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:41,907 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 12 proven. 210 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:14:45,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:45,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 285 states and 420 transitions. [2021-11-22 23:14:45,240 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 420 transitions. [2021-11-22 23:14:45,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:14:45,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:45,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:46,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-22 23:14:46,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:47,845 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-22 23:14:50,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:50,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 287 states and 423 transitions. [2021-11-22 23:14:50,927 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 423 transitions. [2021-11-22 23:14:50,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-22 23:14:50,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:50,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:52,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-22 23:14:52,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:14:55,460 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 146 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-22 23:15:02,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:02,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 289 states and 426 transitions. [2021-11-22 23:15:02,902 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 426 transitions. [2021-11-22 23:15:02,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:15:02,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:02,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:05,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-22 23:15:05,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:08,038 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 27 proven. 287 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:15:12,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:12,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 289 states and 426 transitions. [2021-11-22 23:15:12,375 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 426 transitions. [2021-11-22 23:15:12,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:15:12,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:12,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:15,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:15:15,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:18,223 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 171 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-22 23:15:26,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:26,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 291 states and 430 transitions. [2021-11-22 23:15:26,121 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 430 transitions. [2021-11-22 23:15:26,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-22 23:15:26,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:26,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:28,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-22 23:15:28,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:31,585 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 198 proven. 91 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-22 23:15:40,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:40,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 293 states and 446 transitions. [2021-11-22 23:15:40,974 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 446 transitions. [2021-11-22 23:15:40,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:15:40,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:40,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:43,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-22 23:15:43,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 226 proven. 105 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-22 23:15:51,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:51,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 293 states and 446 transitions. [2021-11-22 23:15:51,366 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 446 transitions. [2021-11-22 23:15:51,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-22 23:15:51,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:51,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:15:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:15:53,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-22 23:15:53,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:15:53,867 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 227 proven. 105 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-22 23:15:58,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:15:58,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 295 states and 463 transitions. [2021-11-22 23:15:58,829 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 463 transitions. [2021-11-22 23:15:58,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:15:58,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:15:58,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:03,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-22 23:16:03,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:06,125 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 257 proven. 120 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-22 23:16:11,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:11,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 295 states and 463 transitions. [2021-11-22 23:16:11,671 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 463 transitions. [2021-11-22 23:16:11,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:16:11,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:11,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:13,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-22 23:16:13,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:20,311 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 81 proven. 395 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-22 23:16:32,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:16:32,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 295 states and 463 transitions. [2021-11-22 23:16:32,239 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 463 transitions. [2021-11-22 23:16:32,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:16:32,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:16:32,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:16:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:35,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-22 23:16:35,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:16:41,631 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 258 proven. 120 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-22 23:17:01,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:01,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 297 states and 453 transitions. [2021-11-22 23:17:01,253 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 453 transitions. [2021-11-22 23:17:01,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-22 23:17:01,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:01,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:05,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-22 23:17:06,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:10,349 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 291 proven. 136 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-22 23:17:27,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:27,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 299 states and 457 transitions. [2021-11-22 23:17:27,094 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 457 transitions. [2021-11-22 23:17:27,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-22 23:17:27,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:27,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:32,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-22 23:17:32,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:17:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 326 proven. 153 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-11-22 23:17:56,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:56,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 301 states and 477 transitions. [2021-11-22 23:17:56,019 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 477 transitions. [2021-11-22 23:17:56,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 23:17:56,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:56,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:02,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-22 23:18:02,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:06,772 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 362 proven. 171 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-22 23:18:15,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:15,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 301 states and 477 transitions. [2021-11-22 23:18:15,554 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 477 transitions. [2021-11-22 23:18:15,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 23:18:15,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:15,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:18,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-22 23:18:18,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:18:32,964 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 153 proven. 512 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-22 23:18:48,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:48,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 301 states and 477 transitions. [2021-11-22 23:18:48,536 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 477 transitions. [2021-11-22 23:18:48,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-22 23:18:48,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:48,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:50,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-22 23:18:50,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:19:04,402 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 363 proven. 171 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2021-11-22 23:19:49,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:49,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 303 states and 467 transitions. [2021-11-22 23:19:49,895 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 467 transitions. [2021-11-22 23:19:49,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-22 23:19:49,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:49,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:54,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-22 23:19:54,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:01,115 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 402 proven. 190 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-11-22 23:20:25,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:25,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 305 states and 489 transitions. [2021-11-22 23:20:25,169 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 489 transitions. [2021-11-22 23:20:25,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-22 23:20:25,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:25,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:30,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-22 23:20:30,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:20:51,880 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 442 proven. 210 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2021-11-22 23:21:17,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:17,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 305 states and 489 transitions. [2021-11-22 23:21:17,174 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 489 transitions. [2021-11-22 23:21:17,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-22 23:21:17,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:17,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:21,318 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 70 conjunts are in the unsatisfiable core [2021-11-22 23:21:21,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:21:35,660 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 443 proven. 210 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2021-11-22 23:22:24,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:24,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 307 states and 475 transitions. [2021-11-22 23:22:24,749 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 475 transitions. [2021-11-22 23:22:24,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-22 23:22:24,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:24,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:30,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-22 23:22:30,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 23:22:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 486 proven. 231 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-11-22 23:23:15,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:15,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 309 states and 478 transitions. [2021-11-22 23:23:15,204 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 478 transitions. [2021-11-22 23:23:15,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 23:23:15,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:15,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-22 23:23:25,417 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) [2021-11-22 23:23:25,422 INFO L158 Benchmark]: Toolchain (without parser) took 587242.67ms. Allocated memory was 86.0MB in the beginning and 201.3MB in the end (delta: 115.3MB). Free memory was 63.1MB in the beginning and 97.8MB in the end (delta: -34.7MB). Peak memory consumption was 79.8MB. Max. memory is 16.1GB. [2021-11-22 23:23:25,423 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 86.0MB. Free memory was 63.4MB in the beginning and 63.3MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:23:25,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1026.82ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 63.1MB in the beginning and 58.7MB in the end (delta: 4.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2021-11-22 23:23:25,424 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.43ms. Allocated memory is still 104.9MB. Free memory was 58.7MB in the beginning and 51.9MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-22 23:23:25,424 INFO L158 Benchmark]: Boogie Preprocessor took 131.40ms. Allocated memory is still 104.9MB. Free memory was 51.9MB in the beginning and 44.8MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-22 23:23:25,425 INFO L158 Benchmark]: RCFGBuilder took 2059.50ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 44.8MB in the beginning and 95.8MB in the end (delta: -51.0MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2021-11-22 23:23:25,426 INFO L158 Benchmark]: CodeCheck took 583871.23ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 95.8MB in the beginning and 97.8MB in the end (delta: -2.0MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. [2021-11-22 23:23:25,437 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 0.35ms. Allocated memory is still 86.0MB. Free memory was 63.4MB in the beginning and 63.3MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1026.82ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 63.1MB in the beginning and 58.7MB in the end (delta: 4.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 148.43ms. Allocated memory is still 104.9MB. Free memory was 58.7MB in the beginning and 51.9MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.40ms. Allocated memory is still 104.9MB. Free memory was 51.9MB in the beginning and 44.8MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2059.50ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 44.8MB in the beginning and 95.8MB in the end (delta: -51.0MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * CodeCheck took 583871.23ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 95.8MB in the beginning and 97.8MB in the end (delta: -2.0MB). Peak memory consumption was 67.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-22 23:23:25,676 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2021-11-22 23:23:25,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 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_35ec3f0d-924d-4cb0-988a-2156b0bd5aee/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