./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label58.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_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/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_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label58.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/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_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/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 f1330b945796eafb52f5218ec9db61ab9afcd58365b089a50d0fc568630d62cc .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:43:22,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:43:22,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:43:22,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:43:22,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:43:22,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:43:22,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:43:22,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:43:22,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:43:22,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:43:22,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:43:22,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:43:22,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:43:22,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:43:22,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:43:22,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:43:22,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:43:22,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:43:22,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:43:22,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:43:22,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:43:22,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:43:22,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:43:22,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:43:22,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:43:22,582 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:43:22,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:43:22,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:43:22,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:43:22,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:43:22,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:43:22,587 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:43:22,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:43:22,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:43:22,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:43:22,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:43:22,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:43:22,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:43:22,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:43:22,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:43:22,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:43:22,605 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:43:22,646 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:43:22,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:43:22,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:43:22,647 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:43:22,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:43:22,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:43:22,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:43:22,649 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:43:22,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:43:22,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:43:22,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:43:22,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:43:22,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:43:22,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:43:22,650 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:43:22,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:43:22,651 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:43:22,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:43:22,651 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:43:22,652 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:43:22,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:43:22,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:43:22,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:43:22,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:43:22,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:43:22,653 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:43:22,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:43:22,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:43:22,654 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_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1330b945796eafb52f5218ec9db61ab9afcd58365b089a50d0fc568630d62cc [2021-10-29 03:43:22,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:43:22,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:43:22,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:43:22,954 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:43:22,956 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:43:22,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/eca-rers2012/Problem02_label58.c [2021-10-29 03:43:23,028 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/bin/ukojak-Rh5K9KB4LI/data/4bd43ed98/1e693af388304c42be1697013b22f9b4/FLAG46c305c24 [2021-10-29 03:43:23,622 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:43:23,623 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/sv-benchmarks/c/eca-rers2012/Problem02_label58.c [2021-10-29 03:43:23,652 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/bin/ukojak-Rh5K9KB4LI/data/4bd43ed98/1e693af388304c42be1697013b22f9b4/FLAG46c305c24 [2021-10-29 03:43:23,868 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/bin/ukojak-Rh5K9KB4LI/data/4bd43ed98/1e693af388304c42be1697013b22f9b4 [2021-10-29 03:43:23,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:43:23,871 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:43:23,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:43:23,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:43:23,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:43:23,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:43:23" (1/1) ... [2021-10-29 03:43:23,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@474cd410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:23, skipping insertion in model container [2021-10-29 03:43:23,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:43:23" (1/1) ... [2021-10-29 03:43:23,885 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:43:23,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:43:24,366 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_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/sv-benchmarks/c/eca-rers2012/Problem02_label58.c[17130,17143] [2021-10-29 03:43:24,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:43:24,405 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:43:24,531 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_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/sv-benchmarks/c/eca-rers2012/Problem02_label58.c[17130,17143] [2021-10-29 03:43:24,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:43:24,566 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:43:24,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:24 WrapperNode [2021-10-29 03:43:24,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:43:24,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:43:24,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:43:24,568 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:43:24,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:24" (1/1) ... [2021-10-29 03:43:24,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:24" (1/1) ... [2021-10-29 03:43:24,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:43:24,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:43:24,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:43:24,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:43:24,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:24" (1/1) ... [2021-10-29 03:43:24,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:24" (1/1) ... [2021-10-29 03:43:24,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:24" (1/1) ... [2021-10-29 03:43:24,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:24" (1/1) ... [2021-10-29 03:43:24,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:24" (1/1) ... [2021-10-29 03:43:24,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:24" (1/1) ... [2021-10-29 03:43:24,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:24" (1/1) ... [2021-10-29 03:43:24,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:43:24,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:43:24,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:43:24,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:43:24,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:43:24" (1/1) ... [2021-10-29 03:43:24,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:43:24,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:43:24,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:43:24,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:43:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:43:24,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:43:24,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:43:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:43:26,895 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:43:26,896 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:43:26,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:43:26 BoogieIcfgContainer [2021-10-29 03:43:26,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:43:26,901 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:43:26,901 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:43:26,912 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:43:26,912 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:43:26" (1/1) ... [2021-10-29 03:43:26,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:43:26,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:26,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2021-10-29 03:43:26,975 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2021-10-29 03:43:26,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-10-29 03:43:26,981 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:26,982 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:27,345 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 03:43:27,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:27,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2021-10-29 03:43:27,866 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2021-10-29 03:43:27,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-10-29 03:43:27,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:27,870 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:27,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:28,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:28,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 242 states and 336 transitions. [2021-10-29 03:43:28,746 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 336 transitions. [2021-10-29 03:43:28,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-10-29 03:43:28,750 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:28,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:28,833 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:29,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:29,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 321 states and 422 transitions. [2021-10-29 03:43:29,249 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 422 transitions. [2021-10-29 03:43:29,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-29 03:43:29,253 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:29,254 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:29,337 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:29,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:29,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 339 states and 442 transitions. [2021-10-29 03:43:29,490 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 442 transitions. [2021-10-29 03:43:29,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-10-29 03:43:29,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:29,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:29,589 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 03:43:29,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:29,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 358 states and 463 transitions. [2021-10-29 03:43:29,945 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 463 transitions. [2021-10-29 03:43:29,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-10-29 03:43:29,950 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:29,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:30,075 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 75 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:30,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:30,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 433 states and 546 transitions. [2021-10-29 03:43:30,967 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 546 transitions. [2021-10-29 03:43:30,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-10-29 03:43:30,970 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:30,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:31,084 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-10-29 03:43:31,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:31,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 437 states and 552 transitions. [2021-10-29 03:43:31,425 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 552 transitions. [2021-10-29 03:43:31,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-10-29 03:43:31,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:31,428 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:31,552 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-10-29 03:43:31,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:31,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 438 states and 555 transitions. [2021-10-29 03:43:31,663 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 555 transitions. [2021-10-29 03:43:31,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-10-29 03:43:31,665 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:31,666 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:31,724 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-10-29 03:43:31,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:31,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 447 states and 568 transitions. [2021-10-29 03:43:31,970 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 568 transitions. [2021-10-29 03:43:31,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-10-29 03:43:31,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:31,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:32,033 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-10-29 03:43:32,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:32,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 450 states and 572 transitions. [2021-10-29 03:43:32,208 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 572 transitions. [2021-10-29 03:43:32,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-10-29 03:43:32,211 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:32,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:32,328 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-29 03:43:32,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:32,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 451 states and 572 transitions. [2021-10-29 03:43:32,422 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 572 transitions. [2021-10-29 03:43:32,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-10-29 03:43:32,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:32,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:32,608 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-10-29 03:43:33,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:33,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 465 states and 593 transitions. [2021-10-29 03:43:33,432 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 593 transitions. [2021-10-29 03:43:33,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-10-29 03:43:33,435 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:33,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:33,480 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-29 03:43:33,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:33,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 470 states and 600 transitions. [2021-10-29 03:43:33,813 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 600 transitions. [2021-10-29 03:43:33,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-10-29 03:43:33,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:33,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:33,893 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-29 03:43:33,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:33,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 471 states and 600 transitions. [2021-10-29 03:43:33,937 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 600 transitions. [2021-10-29 03:43:33,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-10-29 03:43:33,940 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:33,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:34,011 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-29 03:43:34,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:34,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 476 states and 605 transitions. [2021-10-29 03:43:34,052 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 605 transitions. [2021-10-29 03:43:34,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-10-29 03:43:34,055 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:34,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:34,105 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-10-29 03:43:34,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:34,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 483 states and 613 transitions. [2021-10-29 03:43:34,239 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 613 transitions. [2021-10-29 03:43:34,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-10-29 03:43:34,241 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:34,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:34,277 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-29 03:43:34,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:34,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 493 states and 628 transitions. [2021-10-29 03:43:34,866 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 628 transitions. [2021-10-29 03:43:34,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-10-29 03:43:34,869 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:34,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:34,911 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-10-29 03:43:35,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:35,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 495 states and 631 transitions. [2021-10-29 03:43:35,022 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 631 transitions. [2021-10-29 03:43:35,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-10-29 03:43:35,024 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:35,025 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:35,062 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-29 03:43:35,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:35,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 500 states and 637 transitions. [2021-10-29 03:43:35,253 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 637 transitions. [2021-10-29 03:43:35,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-10-29 03:43:35,257 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:35,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:35,297 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-29 03:43:35,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:35,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 502 states and 639 transitions. [2021-10-29 03:43:35,335 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 639 transitions. [2021-10-29 03:43:35,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-10-29 03:43:35,339 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:35,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:35,458 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-10-29 03:43:36,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:36,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 573 states and 716 transitions. [2021-10-29 03:43:36,210 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 716 transitions. [2021-10-29 03:43:36,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-10-29 03:43:36,213 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:36,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:36,254 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-10-29 03:43:36,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:36,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 578 states and 721 transitions. [2021-10-29 03:43:36,292 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 721 transitions. [2021-10-29 03:43:36,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-10-29 03:43:36,294 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:36,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:36,387 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-10-29 03:43:36,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:36,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 639 states and 782 transitions. [2021-10-29 03:43:36,687 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 782 transitions. [2021-10-29 03:43:36,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-10-29 03:43:36,689 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:36,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:36,733 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-10-29 03:43:36,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:36,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 644 states and 787 transitions. [2021-10-29 03:43:36,779 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 787 transitions. [2021-10-29 03:43:36,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-10-29 03:43:36,781 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:36,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:36,820 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-10-29 03:43:36,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:36,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 645 states and 788 transitions. [2021-10-29 03:43:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 788 transitions. [2021-10-29 03:43:36,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-10-29 03:43:36,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:36,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:36,921 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-29 03:43:37,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:37,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 706 states and 850 transitions. [2021-10-29 03:43:37,400 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 850 transitions. [2021-10-29 03:43:37,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-10-29 03:43:37,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:37,403 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:37,463 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-10-29 03:43:37,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:37,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 758 states and 901 transitions. [2021-10-29 03:43:37,813 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 901 transitions. [2021-10-29 03:43:37,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-10-29 03:43:37,815 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:37,815 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:38,103 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 167 proven. 16 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-10-29 03:43:39,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:39,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 785 states and 937 transitions. [2021-10-29 03:43:39,029 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 937 transitions. [2021-10-29 03:43:39,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-10-29 03:43:39,032 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:39,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:39,465 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 167 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:41,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:41,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 827 states and 989 transitions. [2021-10-29 03:43:41,323 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 989 transitions. [2021-10-29 03:43:41,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-10-29 03:43:41,325 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:41,326 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:41,471 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 167 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:42,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:42,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 838 states and 1002 transitions. [2021-10-29 03:43:42,069 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1002 transitions. [2021-10-29 03:43:42,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-10-29 03:43:42,075 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:42,075 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:42,240 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 167 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:42,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:42,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 840 states and 1003 transitions. [2021-10-29 03:43:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1003 transitions. [2021-10-29 03:43:42,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-10-29 03:43:42,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:42,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:42,591 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-10-29 03:43:42,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:42,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 841 states and 1004 transitions. [2021-10-29 03:43:42,626 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1004 transitions. [2021-10-29 03:43:42,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-10-29 03:43:42,628 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:42,628 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:42,830 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-29 03:43:43,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:43,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 842 states and 1006 transitions. [2021-10-29 03:43:43,126 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1006 transitions. [2021-10-29 03:43:43,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-10-29 03:43:43,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:43,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:43,180 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-10-29 03:43:44,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:44,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 866 states and 1034 transitions. [2021-10-29 03:43:44,009 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1034 transitions. [2021-10-29 03:43:44,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-10-29 03:43:44,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:44,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:44,056 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-10-29 03:43:44,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:44,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 886 states and 1056 transitions. [2021-10-29 03:43:44,383 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1056 transitions. [2021-10-29 03:43:44,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-10-29 03:43:44,386 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:44,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:44,452 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-10-29 03:43:44,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:44,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 889 states and 1060 transitions. [2021-10-29 03:43:44,640 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1060 transitions. [2021-10-29 03:43:44,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2021-10-29 03:43:44,642 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:44,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:44,706 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 103 proven. 4 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-10-29 03:43:45,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:45,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 915 states and 1089 transitions. [2021-10-29 03:43:45,279 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1089 transitions. [2021-10-29 03:43:45,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-10-29 03:43:45,281 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:45,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:45,723 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 175 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:48,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:48,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 970 states and 1169 transitions. [2021-10-29 03:43:48,335 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1169 transitions. [2021-10-29 03:43:48,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-10-29 03:43:48,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:48,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:48,481 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 175 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:49,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:49,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 999 states and 1203 transitions. [2021-10-29 03:43:49,966 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1203 transitions. [2021-10-29 03:43:49,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-10-29 03:43:49,968 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:49,968 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:50,109 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 175 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:43:50,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:50,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 1003 states and 1208 transitions. [2021-10-29 03:43:50,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1208 transitions. [2021-10-29 03:43:50,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-10-29 03:43:50,545 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:50,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:50,714 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 144 proven. 64 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-29 03:43:51,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:51,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1046 states and 1257 transitions. [2021-10-29 03:43:51,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1257 transitions. [2021-10-29 03:43:51,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-10-29 03:43:51,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:51,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:51,600 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 144 proven. 64 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-29 03:43:53,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:53,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1117 states and 1338 transitions. [2021-10-29 03:43:53,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1338 transitions. [2021-10-29 03:43:53,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-10-29 03:43:53,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:53,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:53,578 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 144 proven. 64 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-29 03:43:54,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:54,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1123 states and 1344 transitions. [2021-10-29 03:43:54,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1344 transitions. [2021-10-29 03:43:54,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2021-10-29 03:43:54,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:54,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:54,217 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 144 proven. 64 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-29 03:43:54,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:54,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1125 states and 1346 transitions. [2021-10-29 03:43:54,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1346 transitions. [2021-10-29 03:43:54,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-10-29 03:43:54,564 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:54,564 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:54,608 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-10-29 03:43:54,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:54,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1132 states and 1354 transitions. [2021-10-29 03:43:54,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1354 transitions. [2021-10-29 03:43:54,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-10-29 03:43:54,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:54,708 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:54,777 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 121 proven. 4 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-10-29 03:43:55,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:55,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1141 states and 1365 transitions. [2021-10-29 03:43:55,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1365 transitions. [2021-10-29 03:43:55,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-10-29 03:43:55,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:55,084 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:55,135 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-10-29 03:43:55,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:55,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 1145 states and 1370 transitions. [2021-10-29 03:43:55,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1370 transitions. [2021-10-29 03:43:55,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-10-29 03:43:55,190 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:55,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:55,267 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-10-29 03:43:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:55,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1153 states and 1377 transitions. [2021-10-29 03:43:55,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1377 transitions. [2021-10-29 03:43:55,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-10-29 03:43:55,498 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:55,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:55,573 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-10-29 03:43:55,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1161 states and 1384 transitions. [2021-10-29 03:43:55,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 1384 transitions. [2021-10-29 03:43:55,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-10-29 03:43:55,758 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:43:55,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:43:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:43:55,858 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-10-29 03:43:56,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:43:56,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 746 states and 912 transitions. [2021-10-29 03:43:56,049 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 912 transitions. [2021-10-29 03:43:56,049 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:43:56,050 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 51 iterations. [2021-10-29 03:43:56,056 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:43:59,039 INFO L565 CodeCheckObserver]: Invariant with dag size 20 [2021-10-29 03:43:59,050 INFO L565 CodeCheckObserver]: Invariant with dag size 13 [2021-10-29 03:43:59,051 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:43:59,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:43:59 ImpRootNode [2021-10-29 03:43:59,051 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:43:59,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:43:59,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:43:59,052 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:43:59,053 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:43:26" (3/4) ... [2021-10-29 03:43:59,056 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:43:59,078 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 114 nodes and edges [2021-10-29 03:43:59,079 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-29 03:43:59,081 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-29 03:43:59,083 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-29 03:43:59,217 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:43:59,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:43:59,219 INFO L168 Benchmark]: Toolchain (without parser) took 35346.39 ms. Allocated memory was 83.9 MB in the beginning and 406.8 MB in the end (delta: 323.0 MB). Free memory was 44.8 MB in the beginning and 319.6 MB in the end (delta: -274.8 MB). Peak memory consumption was 49.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:43:59,219 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 83.9 MB. Free memory is still 62.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:43:59,219 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.83 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 44.5 MB in the beginning and 63.3 MB in the end (delta: -18.8 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:43:59,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.44 ms. Allocated memory is still 102.8 MB. Free memory was 63.3 MB in the beginning and 57.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:43:59,220 INFO L168 Benchmark]: Boogie Preprocessor took 66.63 ms. Allocated memory is still 102.8 MB. Free memory was 57.9 MB in the beginning and 53.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:43:59,221 INFO L168 Benchmark]: RCFGBuilder took 2157.66 ms. Allocated memory is still 102.8 MB. Free memory was 53.7 MB in the beginning and 58.2 MB in the end (delta: -4.5 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:43:59,221 INFO L168 Benchmark]: CodeCheck took 32150.60 ms. Allocated memory was 102.8 MB in the beginning and 406.8 MB in the end (delta: 304.1 MB). Free memory was 58.2 MB in the beginning and 335.5 MB in the end (delta: -277.3 MB). Peak memory consumption was 236.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:43:59,221 INFO L168 Benchmark]: Witness Printer took 165.30 ms. Allocated memory is still 406.8 MB. Free memory was 335.5 MB in the beginning and 319.6 MB in the end (delta: 15.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:43:59,224 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, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29.1s, OverallIterations: 51, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: -2105486336 SDtfs, -1284451626 SDslu, -765587456 SDs, 0 SdLazy, -343657456 SolverSat, 883446550 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 144.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 62214 GetRequests, 59897 SyntacticMatches, 1955 SemanticMatches, 362 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68082 ImplicationChecksByTransitivity, 17.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 9325 NumberOfCodeBlocks, 9325 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 9275 ConstructedInterpolants, 0 QuantifiedInterpolants, 37036 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 35 PerfectInterpolantSequences, 7127/7646 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: 491]: 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: 39]: Loop Invariant Derived loop invariant: (((a17 == 8 && a28 == 10) || (a17 <= 7 && a28 <= 10)) || (a25 == 1 && 10 < a28)) || (a28 < 10 && a17 <= 8) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (a25 == 1 && 10 < a28) || (a17 <= 8 && a28 <= 10) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 83.9 MB. Free memory is still 62.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 693.83 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 44.5 MB in the beginning and 63.3 MB in the end (delta: -18.8 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 106.44 ms. Allocated memory is still 102.8 MB. Free memory was 63.3 MB in the beginning and 57.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.63 ms. Allocated memory is still 102.8 MB. Free memory was 57.9 MB in the beginning and 53.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2157.66 ms. Allocated memory is still 102.8 MB. Free memory was 53.7 MB in the beginning and 58.2 MB in the end (delta: -4.5 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. * CodeCheck took 32150.60 ms. Allocated memory was 102.8 MB in the beginning and 406.8 MB in the end (delta: 304.1 MB). Free memory was 58.2 MB in the beginning and 335.5 MB in the end (delta: -277.3 MB). Peak memory consumption was 236.5 MB. Max. memory is 16.1 GB. * Witness Printer took 165.30 ms. Allocated memory is still 406.8 MB. Free memory was 335.5 MB in the beginning and 319.6 MB in the end (delta: 15.9 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:43:59,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcd96cbc-80b8-417f-9ac2-7f90d461f9bb/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...