./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbda910-02d8-4c80-981a-ae5d66c8a900/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbda910-02d8-4c80-981a-ae5d66c8a900/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbda910-02d8-4c80-981a-ae5d66c8a900/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbda910-02d8-4c80-981a-ae5d66c8a900/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbda910-02d8-4c80-981a-ae5d66c8a900/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbda910-02d8-4c80-981a-ae5d66c8a900/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c861265e1e1e27fe23877e47c41012b82996e1c7e91f362716a115cbf38b786b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:15:21,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:15:21,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:15:21,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:15:21,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:15:21,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:15:21,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:15:21,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:15:21,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:15:21,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:15:21,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:15:21,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:15:21,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:15:21,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:15:22,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:15:22,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:15:22,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:15:22,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:15:22,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:15:22,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:15:22,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:15:22,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:15:22,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:15:22,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:15:22,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:15:22,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:15:22,047 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:15:22,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:15:22,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:15:22,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:15:22,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:15:22,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:15:22,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:15:22,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:15:22,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:15:22,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:15:22,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:15:22,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:15:22,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:15:22,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:15:22,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:15:22,069 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbda910-02d8-4c80-981a-ae5d66c8a900/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:15:22,130 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:15:22,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:15:22,134 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:15:22,134 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:15:22,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:15:22,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:15:22,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:15:22,137 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:15:22,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:15:22,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:15:22,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:15:22,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:15:22,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:15:22,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:15:22,140 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:15:22,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:15:22,140 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:15:22,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:15:22,141 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:15:22,141 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:15:22,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:15:22,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:15:22,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:15:22,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:15:22,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:15:22,143 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:15:22,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:15:22,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:15:22,144 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_afbda910-02d8-4c80-981a-ae5d66c8a900/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbda910-02d8-4c80-981a-ae5d66c8a900/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c861265e1e1e27fe23877e47c41012b82996e1c7e91f362716a115cbf38b786b [2021-10-29 03:15:22,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:15:22,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:15:22,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:15:22,567 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:15:22,568 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:15:22,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbda910-02d8-4c80-981a-ae5d66c8a900/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/locks/test_locks_10.c [2021-10-29 03:15:22,700 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbda910-02d8-4c80-981a-ae5d66c8a900/bin/ukojak-Rh5K9KB4LI/data/faa84b19f/a1097e4b88aa48a2ae906a9690dd7e10/FLAGaeb75e46e [2021-10-29 03:15:23,303 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:15:23,304 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbda910-02d8-4c80-981a-ae5d66c8a900/sv-benchmarks/c/locks/test_locks_10.c [2021-10-29 03:15:23,314 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbda910-02d8-4c80-981a-ae5d66c8a900/bin/ukojak-Rh5K9KB4LI/data/faa84b19f/a1097e4b88aa48a2ae906a9690dd7e10/FLAGaeb75e46e [2021-10-29 03:15:23,617 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbda910-02d8-4c80-981a-ae5d66c8a900/bin/ukojak-Rh5K9KB4LI/data/faa84b19f/a1097e4b88aa48a2ae906a9690dd7e10 [2021-10-29 03:15:23,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:15:23,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:15:23,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:15:23,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:15:23,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:15:23,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:15:23" (1/1) ... [2021-10-29 03:15:23,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c9b8f35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:23, skipping insertion in model container [2021-10-29 03:15:23,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:15:23" (1/1) ... [2021-10-29 03:15:23,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:15:23,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:15:23,840 WARN L228 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_afbda910-02d8-4c80-981a-ae5d66c8a900/sv-benchmarks/c/locks/test_locks_10.c[3901,3914] [2021-10-29 03:15:23,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:15:23,855 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:15:23,880 WARN L228 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_afbda910-02d8-4c80-981a-ae5d66c8a900/sv-benchmarks/c/locks/test_locks_10.c[3901,3914] [2021-10-29 03:15:23,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:15:23,895 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:15:23,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:23 WrapperNode [2021-10-29 03:15:23,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:15:23,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:15:23,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:15:23,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:15:23,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:23" (1/1) ... [2021-10-29 03:15:23,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:23" (1/1) ... [2021-10-29 03:15:23,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:15:23,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:15:23,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:15:23,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:15:23,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:23" (1/1) ... [2021-10-29 03:15:23,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:23" (1/1) ... [2021-10-29 03:15:23,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:23" (1/1) ... [2021-10-29 03:15:23,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:23" (1/1) ... [2021-10-29 03:15:23,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:23" (1/1) ... [2021-10-29 03:15:23,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:23" (1/1) ... [2021-10-29 03:15:23,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:23" (1/1) ... [2021-10-29 03:15:23,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:15:23,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:15:23,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:15:23,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:15:23,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:15:23" (1/1) ... [2021-10-29 03:15:23,995 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:15:24,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbda910-02d8-4c80-981a-ae5d66c8a900/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:15:24,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbda910-02d8-4c80-981a-ae5d66c8a900/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:15:24,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbda910-02d8-4c80-981a-ae5d66c8a900/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:15:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:15:24,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:15:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:15:24,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:15:24,722 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:15:24,722 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 03:15:24,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:15:24 BoogieIcfgContainer [2021-10-29 03:15:24,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:15:24,726 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:15:24,727 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:15:24,741 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:15:24,741 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:15:24" (1/1) ... [2021-10-29 03:15:24,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:15:24,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:24,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 28 states and 49 transitions. [2021-10-29 03:15:24,800 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 49 transitions. [2021-10-29 03:15:24,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:15:24,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:24,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:25,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:25,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:25,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2021-10-29 03:15:25,212 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2021-10-29 03:15:25,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:15:25,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:25,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:25,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:25,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:25,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2021-10-29 03:15:25,607 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2021-10-29 03:15:25,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:15:25,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:25,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:25,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:26,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:26,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2021-10-29 03:15:26,066 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2021-10-29 03:15:26,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:15:26,067 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:26,068 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:26,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:26,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:26,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2021-10-29 03:15:26,226 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2021-10-29 03:15:26,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:15:26,227 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:26,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:26,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:26,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:26,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2021-10-29 03:15:26,842 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2021-10-29 03:15:26,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:15:26,843 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:26,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:26,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:26,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:26,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2021-10-29 03:15:26,975 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2021-10-29 03:15:26,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 03:15:26,976 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:26,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:27,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:27,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:27,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2021-10-29 03:15:27,127 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2021-10-29 03:15:27,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:15:27,128 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:27,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:27,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:27,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:27,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2021-10-29 03:15:27,290 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2021-10-29 03:15:27,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:15:27,291 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:27,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:27,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:28,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:28,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2021-10-29 03:15:28,250 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2021-10-29 03:15:28,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:15:28,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:28,250 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:28,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:28,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:28,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2021-10-29 03:15:28,400 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2021-10-29 03:15:28,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 03:15:28,401 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:28,401 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:28,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:28,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:28,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2021-10-29 03:15:28,615 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2021-10-29 03:15:28,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:15:28,616 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:28,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:28,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:28,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:28,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2021-10-29 03:15:28,855 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2021-10-29 03:15:28,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:15:28,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:28,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:28,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:29,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:29,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2021-10-29 03:15:29,081 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2021-10-29 03:15:29,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:15:29,082 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:29,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:30,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:30,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2021-10-29 03:15:30,452 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2021-10-29 03:15:30,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:15:30,452 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:30,452 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:30,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:30,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:30,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2021-10-29 03:15:30,704 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2021-10-29 03:15:30,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 03:15:30,705 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:30,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:30,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:30,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:30,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2021-10-29 03:15:30,954 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2021-10-29 03:15:30,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:15:30,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:30,954 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:30,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:31,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:31,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2021-10-29 03:15:31,149 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2021-10-29 03:15:31,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:15:31,150 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:31,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:31,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:31,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:31,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2021-10-29 03:15:31,353 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2021-10-29 03:15:31,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:15:31,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:31,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:31,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:33,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:33,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2021-10-29 03:15:33,464 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2021-10-29 03:15:33,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:15:33,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:33,464 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:33,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:33,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:33,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:33,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2021-10-29 03:15:33,715 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2021-10-29 03:15:33,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:15:33,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:33,716 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:33,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:33,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:33,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 73 transitions. [2021-10-29 03:15:33,992 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2021-10-29 03:15:33,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 03:15:33,993 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:33,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:34,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:34,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:34,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2021-10-29 03:15:34,278 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2021-10-29 03:15:34,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:15:34,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:34,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:34,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:34,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:34,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2021-10-29 03:15:34,605 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2021-10-29 03:15:34,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:15:34,606 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:34,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:34,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:34,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:34,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2021-10-29 03:15:34,946 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2021-10-29 03:15:34,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:15:34,947 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:34,947 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:34,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:35,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:35,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2021-10-29 03:15:35,189 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2021-10-29 03:15:35,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:15:35,189 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:35,190 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:35,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:37,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:37,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2021-10-29 03:15:37,544 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2021-10-29 03:15:37,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:15:37,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:37,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:37,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:37,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:37,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2021-10-29 03:15:37,779 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2021-10-29 03:15:37,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:15:37,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:37,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:37,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:38,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:38,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2021-10-29 03:15:38,228 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2021-10-29 03:15:38,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 03:15:38,229 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:38,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:38,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:38,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:38,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2021-10-29 03:15:38,626 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2021-10-29 03:15:38,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:15:38,626 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:38,627 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:38,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:39,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:39,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2021-10-29 03:15:39,017 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2021-10-29 03:15:39,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:15:39,017 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:39,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:39,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:39,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:39,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2021-10-29 03:15:39,442 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2021-10-29 03:15:39,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:15:39,442 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:39,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:39,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:39,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:39,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2021-10-29 03:15:39,818 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2021-10-29 03:15:39,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:15:39,818 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:39,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:39,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:40,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:40,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 40 states and 60 transitions. [2021-10-29 03:15:40,128 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 60 transitions. [2021-10-29 03:15:40,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:15:40,128 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:40,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:40,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:43,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:43,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2021-10-29 03:15:43,371 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2021-10-29 03:15:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:15:43,372 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:43,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:43,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:43,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:43,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2021-10-29 03:15:43,724 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2021-10-29 03:15:43,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:15:43,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:43,724 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:43,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:44,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:44,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 51 states and 83 transitions. [2021-10-29 03:15:44,115 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 83 transitions. [2021-10-29 03:15:44,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 03:15:44,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:44,116 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:44,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:44,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:44,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2021-10-29 03:15:44,511 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2021-10-29 03:15:44,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:15:44,512 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:44,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:44,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:44,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:44,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2021-10-29 03:15:44,885 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2021-10-29 03:15:44,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:15:44,885 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:44,885 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:44,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:45,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:45,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2021-10-29 03:15:45,307 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2021-10-29 03:15:45,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:15:45,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:45,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:45,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:45,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:45,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2021-10-29 03:15:45,773 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2021-10-29 03:15:45,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:15:45,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:45,774 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:45,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:46,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:46,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 41 states and 62 transitions. [2021-10-29 03:15:46,273 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 62 transitions. [2021-10-29 03:15:46,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:15:46,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:46,274 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:46,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:51,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:51,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2021-10-29 03:15:51,285 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2021-10-29 03:15:51,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:15:51,286 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:51,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:51,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:51,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:51,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2021-10-29 03:15:51,681 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2021-10-29 03:15:51,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:15:51,681 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:51,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:51,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:52,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:52,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 88 transitions. [2021-10-29 03:15:52,153 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 88 transitions. [2021-10-29 03:15:52,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:15:52,154 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:52,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:52,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:52,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:52,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 54 states and 88 transitions. [2021-10-29 03:15:52,746 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 88 transitions. [2021-10-29 03:15:52,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:15:52,746 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:52,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:52,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:53,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:53,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2021-10-29 03:15:53,337 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2021-10-29 03:15:53,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:15:53,337 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:53,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:53,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:53,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:53,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2021-10-29 03:15:53,945 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2021-10-29 03:15:53,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:15:53,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:53,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:53,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:54,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:54,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2021-10-29 03:15:54,378 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2021-10-29 03:15:54,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:15:54,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:54,379 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:54,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:54,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:54,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2021-10-29 03:15:54,807 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2021-10-29 03:15:54,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:15:54,808 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:54,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:54,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:55,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:55,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2021-10-29 03:15:55,235 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2021-10-29 03:15:55,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:15:55,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:55,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:55,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:55,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:55,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2021-10-29 03:15:55,676 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2021-10-29 03:15:55,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:15:55,676 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:55,677 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:55,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:56,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:56,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2021-10-29 03:15:56,060 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2021-10-29 03:15:56,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:15:56,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:56,060 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:56,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:56,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:56,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2021-10-29 03:15:56,508 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-10-29 03:15:56,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:15:56,508 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:56,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:56,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:57,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:57,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2021-10-29 03:15:57,058 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2021-10-29 03:15:57,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 03:15:57,058 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:15:57,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:15:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:15:57,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:15:57,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:15:57,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2021-10-29 03:15:57,625 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2021-10-29 03:15:57,625 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:15:57,626 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 56 iterations. [2021-10-29 03:15:57,637 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:15:57,973 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:15:57,976 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:15:57,976 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:15:57,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:15:57 ImpRootNode [2021-10-29 03:15:57,977 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:15:57,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:15:57,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:15:57,978 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:15:57,978 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:15:24" (3/4) ... [2021-10-29 03:15:57,980 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:15:57,991 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2021-10-29 03:15:57,991 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 03:15:57,992 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:15:57,992 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:15:58,061 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbda910-02d8-4c80-981a-ae5d66c8a900/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:15:58,061 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:15:58,063 INFO L168 Benchmark]: Toolchain (without parser) took 34440.29 ms. Allocated memory was 104.9 MB in the beginning and 293.6 MB in the end (delta: 188.7 MB). Free memory was 69.2 MB in the beginning and 106.6 MB in the end (delta: -37.4 MB). Peak memory consumption was 150.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:15:58,064 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 104.9 MB. Free memory was 74.9 MB in the beginning and 74.8 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:15:58,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.73 ms. Allocated memory is still 104.9 MB. Free memory was 68.9 MB in the beginning and 78.6 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:15:58,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.89 ms. Allocated memory is still 104.9 MB. Free memory was 78.6 MB in the beginning and 77.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:15:58,066 INFO L168 Benchmark]: Boogie Preprocessor took 30.86 ms. Allocated memory is still 104.9 MB. Free memory was 77.4 MB in the beginning and 75.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:15:58,066 INFO L168 Benchmark]: RCFGBuilder took 753.38 ms. Allocated memory is still 104.9 MB. Free memory was 75.9 MB in the beginning and 52.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:15:58,067 INFO L168 Benchmark]: CodeCheck took 33250.54 ms. Allocated memory was 104.9 MB in the beginning and 293.6 MB in the end (delta: 188.7 MB). Free memory was 52.8 MB in the beginning and 110.7 MB in the end (delta: -57.9 MB). Peak memory consumption was 134.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:15:58,068 INFO L168 Benchmark]: Witness Printer took 84.34 ms. Allocated memory is still 293.6 MB. Free memory was 109.6 MB in the beginning and 106.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:15:58,071 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.8s, OverallIterations: 56, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 2080144380 SDslu, 0 SDs, 0 SdLazy, -2122090504 SolverSat, -117900292 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7079 GetRequests, 6679 SyntacticMatches, 0 SemanticMatches, 400 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75321 ImplicationChecksByTransitivity, 29.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 705 NumberOfCodeBlocks, 705 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 650 ConstructedInterpolants, 0 QuantifiedInterpolants, 3340 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 55 InterpolantComputations, 55 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 163]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 104.9 MB. Free memory was 74.9 MB in the beginning and 74.8 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 256.73 ms. Allocated memory is still 104.9 MB. Free memory was 68.9 MB in the beginning and 78.6 MB in the end (delta: -9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.89 ms. Allocated memory is still 104.9 MB. Free memory was 78.6 MB in the beginning and 77.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.86 ms. Allocated memory is still 104.9 MB. Free memory was 77.4 MB in the beginning and 75.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 753.38 ms. Allocated memory is still 104.9 MB. Free memory was 75.9 MB in the beginning and 52.8 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * CodeCheck took 33250.54 ms. Allocated memory was 104.9 MB in the beginning and 293.6 MB in the end (delta: 188.7 MB). Free memory was 52.8 MB in the beginning and 110.7 MB in the end (delta: -57.9 MB). Peak memory consumption was 134.1 MB. Max. memory is 16.1 GB. * Witness Printer took 84.34 ms. Allocated memory is still 293.6 MB. Free memory was 109.6 MB in the beginning and 106.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:15:58,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afbda910-02d8-4c80-981a-ae5d66c8a900/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...