./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef873b-7f1d-4c4e-9c9d-d212a1e67fdc/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef873b-7f1d-4c4e-9c9d-d212a1e67fdc/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef873b-7f1d-4c4e-9c9d-d212a1e67fdc/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef873b-7f1d-4c4e-9c9d-d212a1e67fdc/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.ufo.BOUNDED-6.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef873b-7f1d-4c4e-9c9d-d212a1e67fdc/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef873b-7f1d-4c4e-9c9d-d212a1e67fdc/bin/ukojak-LBtLqBUTdQ --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 368647bf8c8fe53592ceb4314bbebffd0b8c087a8115d4714b27d4e56ab0a9cf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:06:42,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:06:42,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:06:42,824 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:06:42,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:06:42,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:06:42,828 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:06:42,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:06:42,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:06:42,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:06:42,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:06:42,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:06:42,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:06:42,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:06:42,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:06:42,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:06:42,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:06:42,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:06:42,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:06:42,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:06:42,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:06:42,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:06:42,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:06:42,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:06:42,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:06:42,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:06:42,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:06:42,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:06:42,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:06:42,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:06:42,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:06:42,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:06:42,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:06:42,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:06:42,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:06:42,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:06:42,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:06:42,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:06:42,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:06:42,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:06:42,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:06:42,902 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef873b-7f1d-4c4e-9c9d-d212a1e67fdc/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:06:42,950 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:06:42,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:06:42,951 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:06:42,951 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:06:42,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:06:42,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:06:42,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:06:42,953 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:06:42,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:06:42,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:06:42,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:06:42,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:06:42,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:06:42,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:06:42,954 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:06:42,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:06:42,954 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:06:42,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:06:42,955 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:06:42,955 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:06:42,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:06:42,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:06:42,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:06:42,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:06:42,965 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:06:42,965 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:06:42,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:06:42,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:06:42,966 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_69ef873b-7f1d-4c4e-9c9d-d212a1e67fdc/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef873b-7f1d-4c4e-9c9d-d212a1e67fdc/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 368647bf8c8fe53592ceb4314bbebffd0b8c087a8115d4714b27d4e56ab0a9cf [2021-11-23 01:06:43,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:06:43,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:06:43,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:06:43,280 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:06:43,281 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:06:43,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef873b-7f1d-4c4e-9c9d-d212a1e67fdc/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.ufo.BOUNDED-6.pals.c [2021-11-23 01:06:43,349 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef873b-7f1d-4c4e-9c9d-d212a1e67fdc/bin/ukojak-LBtLqBUTdQ/data/6816c6d48/813a751437924cf9843d6343bd105941/FLAG14a79743e [2021-11-23 01:06:43,875 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:06:43,876 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef873b-7f1d-4c4e-9c9d-d212a1e67fdc/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.ufo.BOUNDED-6.pals.c [2021-11-23 01:06:43,886 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef873b-7f1d-4c4e-9c9d-d212a1e67fdc/bin/ukojak-LBtLqBUTdQ/data/6816c6d48/813a751437924cf9843d6343bd105941/FLAG14a79743e [2021-11-23 01:06:44,200 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef873b-7f1d-4c4e-9c9d-d212a1e67fdc/bin/ukojak-LBtLqBUTdQ/data/6816c6d48/813a751437924cf9843d6343bd105941 [2021-11-23 01:06:44,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:06:44,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:06:44,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:06:44,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:06:44,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:06:44,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:06:44" (1/1) ... [2021-11-23 01:06:44,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c0bd51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:44, skipping insertion in model container [2021-11-23 01:06:44,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:06:44" (1/1) ... [2021-11-23 01:06:44,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:06:44,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:06:44,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef873b-7f1d-4c4e-9c9d-d212a1e67fdc/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.ufo.BOUNDED-6.pals.c[14371,14384] [2021-11-23 01:06:44,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:06:44,485 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:06:44,614 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef873b-7f1d-4c4e-9c9d-d212a1e67fdc/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.ufo.BOUNDED-6.pals.c[14371,14384] [2021-11-23 01:06:44,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:06:44,641 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:06:44,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:44 WrapperNode [2021-11-23 01:06:44,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:06:44,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:06:44,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:06:44,644 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:06:44,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:44" (1/1) ... [2021-11-23 01:06:44,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:44" (1/1) ... [2021-11-23 01:06:44,755 INFO L137 Inliner]: procedures = 22, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 479 [2021-11-23 01:06:44,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:06:44,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:06:44,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:06:44,756 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:06:44,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:44" (1/1) ... [2021-11-23 01:06:44,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:44" (1/1) ... [2021-11-23 01:06:44,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:44" (1/1) ... [2021-11-23 01:06:44,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:44" (1/1) ... [2021-11-23 01:06:44,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:44" (1/1) ... [2021-11-23 01:06:44,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:44" (1/1) ... [2021-11-23 01:06:44,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:44" (1/1) ... [2021-11-23 01:06:44,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:06:44,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:06:44,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:06:44,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:06:44,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:06:44" (1/1) ... [2021-11-23 01:06:44,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:06:44,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef873b-7f1d-4c4e-9c9d-d212a1e67fdc/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:06:44,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef873b-7f1d-4c4e-9c9d-d212a1e67fdc/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:06:44,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69ef873b-7f1d-4c4e-9c9d-d212a1e67fdc/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:06:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:06:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:06:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:06:44,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:06:45,001 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:06:45,003 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:06:45,683 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:06:46,283 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:06:46,283 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:06:46,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:46 BoogieIcfgContainer [2021-11-23 01:06:46,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:06:46,289 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:06:46,289 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:06:46,299 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:06:46,300 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:06:46" (1/1) ... [2021-11-23 01:06:46,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:06:46,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:46,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2021-11-23 01:06:46,402 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2021-11-23 01:06:46,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:06:46,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:46,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:47,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:47,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2021-11-23 01:06:47,014 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2021-11-23 01:06:47,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:06:47,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:47,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:47,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:47,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:47,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2021-11-23 01:06:47,517 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2021-11-23 01:06:47,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:06:47,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:47,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:47,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:48,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:48,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2021-11-23 01:06:48,088 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2021-11-23 01:06:48,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:06:48,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:48,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:48,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:48,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:48,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2021-11-23 01:06:48,832 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2021-11-23 01:06:48,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:06:48,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:48,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:49,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:50,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2021-11-23 01:06:50,048 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2021-11-23 01:06:50,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:06:50,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:50,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:50,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:51,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:51,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2021-11-23 01:06:51,093 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2021-11-23 01:06:51,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:06:51,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:51,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:51,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:51,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:51,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2021-11-23 01:06:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2021-11-23 01:06:51,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:06:51,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:51,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:51,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:51,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:51,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 48 states and 87 transitions. [2021-11-23 01:06:51,466 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 87 transitions. [2021-11-23 01:06:51,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:06:51,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:51,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:51,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:53,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:53,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 58 states and 104 transitions. [2021-11-23 01:06:53,287 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 104 transitions. [2021-11-23 01:06:53,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:06:53,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:53,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:53,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:53,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:53,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 61 states and 109 transitions. [2021-11-23 01:06:53,701 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 109 transitions. [2021-11-23 01:06:53,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:06:53,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:53,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:54,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:06:59,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:06:59,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 77 states and 143 transitions. [2021-11-23 01:06:59,278 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 143 transitions. [2021-11-23 01:06:59,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:06:59,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:06:59,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:06:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:06:59,613 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:04,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:04,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 94 states and 178 transitions. [2021-11-23 01:07:04,722 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 178 transitions. [2021-11-23 01:07:04,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:07:04,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:04,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:04,833 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:05,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:05,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 95 states and 181 transitions. [2021-11-23 01:07:05,182 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 181 transitions. [2021-11-23 01:07:05,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:07:05,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:05,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:05,588 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:11,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:11,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 113 states and 219 transitions. [2021-11-23 01:07:11,328 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 219 transitions. [2021-11-23 01:07:11,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:07:11,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:11,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:11,443 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:12,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:12,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 115 states and 225 transitions. [2021-11-23 01:07:12,097 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 225 transitions. [2021-11-23 01:07:12,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:07:12,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:12,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:12,235 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:12,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:12,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 116 states and 227 transitions. [2021-11-23 01:07:12,610 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 227 transitions. [2021-11-23 01:07:12,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:07:12,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:12,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:13,004 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:18,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:18,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 130 states and 256 transitions. [2021-11-23 01:07:18,294 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 256 transitions. [2021-11-23 01:07:18,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:07:18,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:18,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:18,392 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:19,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:19,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 132 states and 259 transitions. [2021-11-23 01:07:19,060 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 259 transitions. [2021-11-23 01:07:19,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:07:19,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:19,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:19,156 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:19,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:19,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 133 states and 260 transitions. [2021-11-23 01:07:19,548 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 260 transitions. [2021-11-23 01:07:19,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:07:19,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:19,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:19,646 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:20,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:20,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 134 states and 265 transitions. [2021-11-23 01:07:20,161 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 265 transitions. [2021-11-23 01:07:20,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:07:20,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:20,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:21,223 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:26,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:26,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 149 states and 289 transitions. [2021-11-23 01:07:26,878 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 289 transitions. [2021-11-23 01:07:26,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:07:26,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:26,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:27,389 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:31,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:31,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 157 states and 311 transitions. [2021-11-23 01:07:31,414 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 311 transitions. [2021-11-23 01:07:31,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:07:31,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:31,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:32,443 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:35,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:35,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 160 states and 317 transitions. [2021-11-23 01:07:35,525 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 317 transitions. [2021-11-23 01:07:35,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:07:35,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:35,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:35,958 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:38,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:38,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 165 states and 330 transitions. [2021-11-23 01:07:38,141 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 330 transitions. [2021-11-23 01:07:38,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:07:38,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:38,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:38,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:39,067 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:46,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:46,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 179 states and 382 transitions. [2021-11-23 01:07:46,460 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 382 transitions. [2021-11-23 01:07:46,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:07:46,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:46,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:46,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:46,649 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:49,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:49,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 184 states and 392 transitions. [2021-11-23 01:07:49,006 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 392 transitions. [2021-11-23 01:07:49,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:07:49,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:49,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:49,812 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:55,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:55,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 195 states and 410 transitions. [2021-11-23 01:07:55,516 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 410 transitions. [2021-11-23 01:07:55,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:07:55,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:55,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:55,635 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:07:57,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:07:57,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 198 states and 418 transitions. [2021-11-23 01:07:57,966 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 418 transitions. [2021-11-23 01:07:57,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:07:57,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:07:57,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:07:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:07:58,878 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:04,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:04,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 211 states and 449 transitions. [2021-11-23 01:08:04,907 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 449 transitions. [2021-11-23 01:08:04,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:08:04,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:04,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:05,018 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:07,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:07,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 217 states and 460 transitions. [2021-11-23 01:08:07,909 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 460 transitions. [2021-11-23 01:08:07,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:08:07,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:07,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:08,014 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:08,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:08,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 218 states and 464 transitions. [2021-11-23 01:08:08,714 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 464 transitions. [2021-11-23 01:08:08,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:08:08,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:08,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:09,523 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:15,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:15,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 228 states and 488 transitions. [2021-11-23 01:08:15,623 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 488 transitions. [2021-11-23 01:08:15,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:08:15,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:15,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:15,726 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:17,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:17,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 225 states and 491 transitions. [2021-11-23 01:08:17,615 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 491 transitions. [2021-11-23 01:08:17,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:08:17,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:17,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:17,714 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 5 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:18,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:18,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 226 states and 494 transitions. [2021-11-23 01:08:18,554 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 494 transitions. [2021-11-23 01:08:18,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:08:18,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:18,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:19,722 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:26,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:26,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 234 states and 517 transitions. [2021-11-23 01:08:26,520 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 517 transitions. [2021-11-23 01:08:26,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:08:26,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:26,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:26,700 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:29,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:29,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 238 states and 532 transitions. [2021-11-23 01:08:29,274 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 532 transitions. [2021-11-23 01:08:29,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:08:29,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:29,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:29,456 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:31,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:31,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 241 states and 543 transitions. [2021-11-23 01:08:31,515 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 543 transitions. [2021-11-23 01:08:31,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:08:31,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:31,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:31,906 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:35,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:35,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 248 states and 565 transitions. [2021-11-23 01:08:35,991 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 565 transitions. [2021-11-23 01:08:35,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:08:35,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:35,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:36,097 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:37,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:37,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 249 states and 570 transitions. [2021-11-23 01:08:37,108 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 570 transitions. [2021-11-23 01:08:37,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:08:37,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:37,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:37,212 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:37,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:37,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 250 states and 571 transitions. [2021-11-23 01:08:37,953 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 571 transitions. [2021-11-23 01:08:37,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:08:37,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:37,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:38,164 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:38,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:38,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 251 states and 572 transitions. [2021-11-23 01:08:38,920 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 572 transitions. [2021-11-23 01:08:38,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:08:38,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:38,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:39,024 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:40,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:40,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 254 states and 583 transitions. [2021-11-23 01:08:40,503 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 583 transitions. [2021-11-23 01:08:40,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:08:40,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:40,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:40,613 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:42,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:42,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 257 states and 594 transitions. [2021-11-23 01:08:42,123 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 594 transitions. [2021-11-23 01:08:42,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:08:42,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:42,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:42,590 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:45,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:45,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 259 states and 601 transitions. [2021-11-23 01:08:45,208 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 601 transitions. [2021-11-23 01:08:45,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:08:45,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:45,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:45,378 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:47,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:47,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 263 states and 615 transitions. [2021-11-23 01:08:47,917 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 615 transitions. [2021-11-23 01:08:47,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:08:47,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:47,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:48,071 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:48,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:48,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 264 states and 618 transitions. [2021-11-23 01:08:48,990 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 618 transitions. [2021-11-23 01:08:48,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:08:48,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:48,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:49,135 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:51,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:51,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 267 states and 629 transitions. [2021-11-23 01:08:51,054 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 629 transitions. [2021-11-23 01:08:51,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:08:51,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:51,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:51,238 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:52,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:52,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 268 states and 630 transitions. [2021-11-23 01:08:52,151 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 630 transitions. [2021-11-23 01:08:52,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:08:52,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:52,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:52,325 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:53,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:53,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 269 states and 631 transitions. [2021-11-23 01:08:53,315 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 631 transitions. [2021-11-23 01:08:53,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:08:53,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:53,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:08:53,496 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:08:55,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:08:55,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 272 states and 642 transitions. [2021-11-23 01:08:55,523 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 642 transitions. [2021-11-23 01:08:55,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:08:55,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:08:55,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:08:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 6 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:07,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:07,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 315 states and 762 transitions. [2021-11-23 01:17:07,274 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 762 transitions. [2021-11-23 01:17:07,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:17:07,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:07,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat