./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cce552-de7c-4858-b821-631ab4c00734/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cce552-de7c-4858-b821-631ab4c00734/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cce552-de7c-4858-b821-631ab4c00734/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cce552-de7c-4858-b821-631ab4c00734/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cce552-de7c-4858-b821-631ab4c00734/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cce552-de7c-4858-b821-631ab4c00734/bin/ukojak-d1pc8ZmBRL --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 bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:42:16,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:42:16,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:42:16,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:42:16,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:42:16,721 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:42:16,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:42:16,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:42:16,729 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:42:16,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:42:16,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:42:16,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:42:16,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:42:16,740 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:42:16,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:42:16,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:42:16,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:42:16,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:42:16,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:42:16,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:42:16,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:42:16,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:42:16,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:42:16,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:42:16,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:42:16,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:42:16,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:42:16,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:42:16,773 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:42:16,774 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:42:16,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:42:16,775 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:42:16,776 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:42:16,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:42:16,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:42:16,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:42:16,778 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:42:16,778 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:42:16,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:42:16,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:42:16,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:42:16,780 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cce552-de7c-4858-b821-631ab4c00734/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-25 06:42:16,806 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:42:16,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:42:16,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:42:16,807 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:42:16,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:42:16,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:42:16,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:42:16,809 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:42:16,809 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 06:42:16,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:42:16,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:42:16,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:42:16,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:42:16,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:42:16,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:42:16,810 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 06:42:16,810 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:42:16,811 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:42:16,811 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:42:16,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:42:16,811 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:42:16,811 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:42:16,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:42:16,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:42:16,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:42:16,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:42:16,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:42:16,813 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:42:16,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:42:16,813 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:42:16,813 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_86cce552-de7c-4858-b821-631ab4c00734/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cce552-de7c-4858-b821-631ab4c00734/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da [2021-11-25 06:42:17,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:42:17,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:42:17,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:42:17,120 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:42:17,121 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:42:17,122 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cce552-de7c-4858-b821-631ab4c00734/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2021-11-25 06:42:17,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cce552-de7c-4858-b821-631ab4c00734/bin/ukojak-d1pc8ZmBRL/data/e1ed88e20/7daf51ea273c4125889310d34cea2131/FLAG3a6cc8e1b [2021-11-25 06:42:17,835 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:42:17,836 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cce552-de7c-4858-b821-631ab4c00734/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2021-11-25 06:42:17,856 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cce552-de7c-4858-b821-631ab4c00734/bin/ukojak-d1pc8ZmBRL/data/e1ed88e20/7daf51ea273c4125889310d34cea2131/FLAG3a6cc8e1b [2021-11-25 06:42:18,047 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cce552-de7c-4858-b821-631ab4c00734/bin/ukojak-d1pc8ZmBRL/data/e1ed88e20/7daf51ea273c4125889310d34cea2131 [2021-11-25 06:42:18,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:42:18,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:42:18,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:42:18,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:42:18,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:42:18,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:42:18" (1/1) ... [2021-11-25 06:42:18,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8167a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:18, skipping insertion in model container [2021-11-25 06:42:18,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:42:18" (1/1) ... [2021-11-25 06:42:18,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:42:18,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:42:18,821 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_86cce552-de7c-4858-b821-631ab4c00734/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44118,44131] [2021-11-25 06:42:18,848 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_86cce552-de7c-4858-b821-631ab4c00734/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44660,44673] [2021-11-25 06:42:18,994 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_86cce552-de7c-4858-b821-631ab4c00734/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56247,56260] [2021-11-25 06:42:18,995 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_86cce552-de7c-4858-b821-631ab4c00734/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56368,56381] [2021-11-25 06:42:19,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:42:19,029 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:42:19,090 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_86cce552-de7c-4858-b821-631ab4c00734/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44118,44131] [2021-11-25 06:42:19,094 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_86cce552-de7c-4858-b821-631ab4c00734/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44660,44673] [2021-11-25 06:42:19,185 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_86cce552-de7c-4858-b821-631ab4c00734/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56247,56260] [2021-11-25 06:42:19,195 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_86cce552-de7c-4858-b821-631ab4c00734/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56368,56381] [2021-11-25 06:42:19,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:42:19,272 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:42:19,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:19 WrapperNode [2021-11-25 06:42:19,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:42:19,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:42:19,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:42:19,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:42:19,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:19" (1/1) ... [2021-11-25 06:42:19,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:19" (1/1) ... [2021-11-25 06:42:19,457 INFO L137 Inliner]: procedures = 282, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1209 [2021-11-25 06:42:19,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:42:19,458 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:42:19,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:42:19,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:42:19,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:19" (1/1) ... [2021-11-25 06:42:19,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:19" (1/1) ... [2021-11-25 06:42:19,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:19" (1/1) ... [2021-11-25 06:42:19,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:19" (1/1) ... [2021-11-25 06:42:19,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:19" (1/1) ... [2021-11-25 06:42:19,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:19" (1/1) ... [2021-11-25 06:42:19,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:19" (1/1) ... [2021-11-25 06:42:19,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:42:19,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:42:19,649 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:42:19,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:42:19,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:42:19" (1/1) ... [2021-11-25 06:42:19,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:42:19,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cce552-de7c-4858-b821-631ab4c00734/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:42:19,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cce552-de7c-4858-b821-631ab4c00734/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:42:19,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cce552-de7c-4858-b821-631ab4c00734/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:42:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 06:42:19,731 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 06:42:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 06:42:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:42:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2021-11-25 06:42:19,733 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2021-11-25 06:42:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 06:42:19,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 06:42:19,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 06:42:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 06:42:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 06:42:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:42:19,734 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2021-11-25 06:42:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2021-11-25 06:42:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 06:42:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2021-11-25 06:42:19,735 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2021-11-25 06:42:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:42:19,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:42:19,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:42:20,073 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:42:20,074 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:42:21,096 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:42:21,588 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:42:21,588 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-25 06:42:21,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:42:21 BoogieIcfgContainer [2021-11-25 06:42:21,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:42:21,594 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:42:21,595 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:42:21,605 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:42:21,605 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:42:21" (1/1) ... [2021-11-25 06:42:21,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:42:21,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:21,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 176 states and 279 transitions. [2021-11-25 06:42:21,708 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 279 transitions. [2021-11-25 06:42:21,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 06:42:21,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:21,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:21,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-25 06:42:21,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:21,959 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 [2021-11-25 06:42:21,992 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-11-25 06:42:21,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2021-11-25 06:42:22,000 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 8 treesize of output 7 [2021-11-25 06:42:22,010 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 8 treesize of output 7 [2021-11-25 06:42:22,110 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 7 treesize of output 3 [2021-11-25 06:42:22,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-25 06:42:22,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2021-11-25 06:42:22,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:42:22,196 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 22 treesize of output 10 [2021-11-25 06:42:22,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:22,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:22,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 179 states and 284 transitions. [2021-11-25 06:42:22,273 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 284 transitions. [2021-11-25 06:42:22,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 06:42:22,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:22,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:22,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-25 06:42:22,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:22,414 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-11-25 06:42:22,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2021-11-25 06:42:22,428 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 8 treesize of output 7 [2021-11-25 06:42:22,434 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 8 treesize of output 7 [2021-11-25 06:42:22,637 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 15 treesize of output 11 [2021-11-25 06:42:22,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-25 06:42:22,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 5 treesize of output 3 [2021-11-25 06:42:22,687 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 [2021-11-25 06:42:22,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:42:22,729 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 15 treesize of output 7 [2021-11-25 06:42:22,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:22,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:22,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 180 states and 286 transitions. [2021-11-25 06:42:22,770 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 286 transitions. [2021-11-25 06:42:22,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:42:22,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:22,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:22,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:42:22,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:22,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:22,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:22,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 180 states and 284 transitions. [2021-11-25 06:42:22,912 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 284 transitions. [2021-11-25 06:42:22,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 06:42:22,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:22,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:23,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:23,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:23,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 180 states and 279 transitions. [2021-11-25 06:42:23,117 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 279 transitions. [2021-11-25 06:42:23,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 06:42:23,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:23,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:23,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:42:23,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:23,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:23,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:23,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 180 states and 273 transitions. [2021-11-25 06:42:23,267 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 273 transitions. [2021-11-25 06:42:23,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 06:42:23,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:23,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:23,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:23,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:42:23,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:23,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:23,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:23,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 180 states and 271 transitions. [2021-11-25 06:42:23,397 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 271 transitions. [2021-11-25 06:42:23,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 06:42:23,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:23,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:23,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:42:23,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:23,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:23,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:23,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 180 states and 269 transitions. [2021-11-25 06:42:23,578 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 269 transitions. [2021-11-25 06:42:23,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 06:42:23,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:23,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:23,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:42:23,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:23,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:24,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:24,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 197 states and 296 transitions. [2021-11-25 06:42:24,145 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 296 transitions. [2021-11-25 06:42:24,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 06:42:24,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:24,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:24,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:42:24,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:24,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:24,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:24,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 215 states and 324 transitions. [2021-11-25 06:42:24,995 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 324 transitions. [2021-11-25 06:42:24,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:42:24,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:24,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:25,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:42:25,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:25,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:25,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:25,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 215 states and 322 transitions. [2021-11-25 06:42:25,156 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 322 transitions. [2021-11-25 06:42:25,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 06:42:25,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:25,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:25,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:42:25,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:25,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:25,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:25,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 215 states and 318 transitions. [2021-11-25 06:42:25,289 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 318 transitions. [2021-11-25 06:42:25,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 06:42:25,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:25,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:25,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:42:25,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:25,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:42:25,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:25,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 218 states and 320 transitions. [2021-11-25 06:42:25,482 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 320 transitions. [2021-11-25 06:42:25,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 06:42:25,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:25,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:25,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:42:25,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:25,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:42:25,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:25,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 221 states and 322 transitions. [2021-11-25 06:42:25,642 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 322 transitions. [2021-11-25 06:42:25,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 06:42:25,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:25,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:26,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 1623 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:42:26,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:26,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:26,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:26,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 221 states and 316 transitions. [2021-11-25 06:42:26,193 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 316 transitions. [2021-11-25 06:42:26,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 06:42:26,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:26,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:26,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:42:26,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:26,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:27,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:27,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 247 states and 361 transitions. [2021-11-25 06:42:27,491 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 361 transitions. [2021-11-25 06:42:27,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 06:42:27,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:27,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:27,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 1624 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:42:27,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:28,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:28,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:28,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 256 states and 373 transitions. [2021-11-25 06:42:28,153 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 373 transitions. [2021-11-25 06:42:28,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 06:42:28,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:28,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:28,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:42:28,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:28,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:29,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:29,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 283 states and 421 transitions. [2021-11-25 06:42:29,795 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 421 transitions. [2021-11-25 06:42:29,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 06:42:29,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:29,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:30,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 1625 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:42:30,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:30,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 292 states and 434 transitions. [2021-11-25 06:42:30,456 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 434 transitions. [2021-11-25 06:42:30,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 06:42:30,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:30,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:30,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 1594 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:42:30,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:31,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:32,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:32,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 306 states and 453 transitions. [2021-11-25 06:42:32,361 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 453 transitions. [2021-11-25 06:42:32,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 06:42:32,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:32,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:32,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:42:32,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:32,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:42:32,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:32,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 309 states and 455 transitions. [2021-11-25 06:42:32,568 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 455 transitions. [2021-11-25 06:42:32,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 06:42:32,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:32,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:32,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:42:32,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:32,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:42:32,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:32,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 312 states and 457 transitions. [2021-11-25 06:42:32,812 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 457 transitions. [2021-11-25 06:42:32,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 06:42:32,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:32,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:32,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-25 06:42:32,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:33,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:35,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:35,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 328 states and 503 transitions. [2021-11-25 06:42:35,158 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 503 transitions. [2021-11-25 06:42:35,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 06:42:35,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:35,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:35,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:35,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 06:42:35,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:35,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:36,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:36,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 343 states and 546 transitions. [2021-11-25 06:42:36,835 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 546 transitions. [2021-11-25 06:42:36,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 06:42:36,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:36,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:37,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 1609 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:42:37,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:37,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:42:37,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:37,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 346 states and 548 transitions. [2021-11-25 06:42:37,455 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 548 transitions. [2021-11-25 06:42:37,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 06:42:37,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:37,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:37,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:42:37,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:37,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:38,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:38,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 350 states and 558 transitions. [2021-11-25 06:42:38,098 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 558 transitions. [2021-11-25 06:42:38,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 06:42:38,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:38,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:38,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:42:38,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:38,339 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:38,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:38,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 350 states and 554 transitions. [2021-11-25 06:42:38,420 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 554 transitions. [2021-11-25 06:42:38,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 06:42:38,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:38,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:38,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:42:38,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:38,664 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:42:38,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:38,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 348 states and 550 transitions. [2021-11-25 06:42:38,674 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 550 transitions. [2021-11-25 06:42:38,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 06:42:38,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:38,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:38,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 06:42:38,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:39,325 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:41,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:41,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 360 states and 586 transitions. [2021-11-25 06:42:41,438 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 586 transitions. [2021-11-25 06:42:41,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 06:42:41,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:41,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:41,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 06:42:41,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:41,902 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:42:43,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:43,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 368 states and 609 transitions. [2021-11-25 06:42:43,614 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 609 transitions. [2021-11-25 06:42:43,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 06:42:43,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:43,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:43,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 06:42:43,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:44,206 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:42:46,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:46,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 391 states and 673 transitions. [2021-11-25 06:42:46,954 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 673 transitions. [2021-11-25 06:42:46,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 06:42:46,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:46,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:47,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 06:42:47,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:47,301 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:42:48,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:48,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 392 states and 677 transitions. [2021-11-25 06:42:48,496 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 677 transitions. [2021-11-25 06:42:48,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 06:42:48,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:48,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:48,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 06:42:48,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:48,917 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:42:49,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:42:49,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 392 states and 674 transitions. [2021-11-25 06:42:49,925 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 674 transitions. [2021-11-25 06:42:49,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 06:42:49,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:42:49,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:42:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:42:50,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 06:42:50,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:42:51,179 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:43:02,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:02,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 411 states and 735 transitions. [2021-11-25 06:43:02,054 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 735 transitions. [2021-11-25 06:43:02,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-25 06:43:02,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:02,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:02,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 06:43:02,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:02,802 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:43:05,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:05,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 421 states and 757 transitions. [2021-11-25 06:43:05,622 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 757 transitions. [2021-11-25 06:43:05,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-25 06:43:05,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:05,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:05,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 06:43:05,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:06,452 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:43:08,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:08,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 423 states and 763 transitions. [2021-11-25 06:43:08,603 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 763 transitions. [2021-11-25 06:43:08,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-25 06:43:08,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:08,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:08,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 06:43:08,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:10,706 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 06:43:13,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:13,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 425 states and 765 transitions. [2021-11-25 06:43:13,734 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 765 transitions. [2021-11-25 06:43:13,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 06:43:13,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:13,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:14,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-25 06:43:14,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:17,276 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:43:39,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:39,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 433 states and 792 transitions. [2021-11-25 06:43:39,259 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 792 transitions. [2021-11-25 06:43:39,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 06:43:39,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:39,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:39,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-25 06:43:39,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:41,035 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:43:47,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:47,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 435 states and 796 transitions. [2021-11-25 06:43:47,367 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 796 transitions. [2021-11-25 06:43:47,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 06:43:47,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:47,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:47,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-25 06:43:47,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:49,288 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:43:56,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:56,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 437 states and 801 transitions. [2021-11-25 06:43:56,335 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 801 transitions. [2021-11-25 06:43:56,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 06:43:56,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:56,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:56,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-25 06:43:56,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:56,748 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 06:44:14,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:14,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 441 states and 810 transitions. [2021-11-25 06:44:14,996 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 810 transitions. [2021-11-25 06:44:14,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 06:44:14,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:14,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:16,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-25 06:44:16,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:18,363 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:44:30,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:30,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 443 states and 815 transitions. [2021-11-25 06:44:30,061 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 815 transitions. [2021-11-25 06:44:30,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 06:44:30,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:30,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:30,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-25 06:44:30,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:33,491 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:44:48,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:48,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 442 states and 817 transitions. [2021-11-25 06:44:48,847 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 817 transitions. [2021-11-25 06:44:48,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-25 06:44:48,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:48,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:49,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-25 06:44:49,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:51,859 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 15 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:45:05,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:05,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 444 states and 824 transitions. [2021-11-25 06:45:05,801 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 824 transitions. [2021-11-25 06:45:05,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-25 06:45:05,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:05,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:06,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 06:45:06,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:09,090 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:45:24,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:45:24,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 446 states and 832 transitions. [2021-11-25 06:45:24,037 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 832 transitions. [2021-11-25 06:45:24,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-25 06:45:24,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:45:24,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:45:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:45:25,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:45:25,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:45:29,041 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 1 proven. 34 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 06:46:10,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:10,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 449 states and 833 transitions. [2021-11-25 06:46:10,870 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 833 transitions. [2021-11-25 06:46:10,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 06:46:10,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:10,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:12,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:46:12,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:12,577 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-25 06:46:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:46:50,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 452 states and 837 transitions. [2021-11-25 06:46:50,174 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 837 transitions. [2021-11-25 06:46:50,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 06:46:50,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:46:50,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:46:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:46:51,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:46:51,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:46:55,406 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 42 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:47:18,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:18,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 454 states and 844 transitions. [2021-11-25 06:47:18,744 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 844 transitions. [2021-11-25 06:47:18,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-25 06:47:18,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:18,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:21,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:47:21,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:26,295 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 46 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:47:52,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:47:52,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 456 states and 853 transitions. [2021-11-25 06:47:52,734 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 853 transitions. [2021-11-25 06:47:52,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 06:47:52,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:47:52,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:47:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:47:54,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 988 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 06:47:54,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:47:54,807 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-25 06:49:07,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:49:07,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 459 states and 857 transitions. [2021-11-25 06:49:07,235 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 857 transitions. [2021-11-25 06:49:07,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-25 06:49:07,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:49:07,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:49:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-25 06:49:17,528 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) [2021-11-25 06:49:17,532 INFO L158 Benchmark]: Toolchain (without parser) took 419480.53ms. Allocated memory was 81.8MB in the beginning and 541.1MB in the end (delta: 459.3MB). Free memory was 40.8MB in the beginning and 261.7MB in the end (delta: -220.9MB). Peak memory consumption was 239.3MB. Max. memory is 16.1GB. [2021-11-25 06:49:17,532 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 81.8MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:49:17,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1220.56ms. Allocated memory was 81.8MB in the beginning and 117.4MB in the end (delta: 35.7MB). Free memory was 40.6MB in the beginning and 58.0MB in the end (delta: -17.5MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-11-25 06:49:17,534 INFO L158 Benchmark]: Boogie Procedure Inliner took 183.47ms. Allocated memory is still 117.4MB. Free memory was 58.0MB in the beginning and 89.2MB in the end (delta: -31.2MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2021-11-25 06:49:17,534 INFO L158 Benchmark]: Boogie Preprocessor took 190.35ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 80.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 06:49:17,535 INFO L158 Benchmark]: RCFGBuilder took 1944.62ms. Allocated memory was 117.4MB in the beginning and 165.7MB in the end (delta: 48.2MB). Free memory was 80.8MB in the beginning and 120.9MB in the end (delta: -40.1MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2021-11-25 06:49:17,536 INFO L158 Benchmark]: CodeCheck took 415936.41ms. Allocated memory was 165.7MB in the beginning and 541.1MB in the end (delta: 375.4MB). Free memory was 120.9MB in the beginning and 261.7MB in the end (delta: -140.8MB). Peak memory consumption was 235.6MB. Max. memory is 16.1GB. [2021-11-25 06:49:17,539 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 0.22ms. Allocated memory is still 81.8MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1220.56ms. Allocated memory was 81.8MB in the beginning and 117.4MB in the end (delta: 35.7MB). Free memory was 40.6MB in the beginning and 58.0MB in the end (delta: -17.5MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 183.47ms. Allocated memory is still 117.4MB. Free memory was 58.0MB in the beginning and 89.2MB in the end (delta: -31.2MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 190.35ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 80.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1944.62ms. Allocated memory was 117.4MB in the beginning and 165.7MB in the end (delta: 48.2MB). Free memory was 80.8MB in the beginning and 120.9MB in the end (delta: -40.1MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * CodeCheck took 415936.41ms. Allocated memory was 165.7MB in the beginning and 541.1MB in the end (delta: 375.4MB). Free memory was 120.9MB in the beginning and 261.7MB in the end (delta: -140.8MB). Peak memory consumption was 235.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 06:49:17,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cce552-de7c-4858-b821-631ab4c00734/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86cce552-de7c-4858-b821-631ab4c00734/bin/ukojak-d1pc8ZmBRL/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