./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.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_a5854279-8ca3-440c-b1d2-b6f862876950/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5854279-8ca3-440c-b1d2-b6f862876950/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_a5854279-8ca3-440c-b1d2-b6f862876950/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5854279-8ca3-440c-b1d2-b6f862876950/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.BOUNDED-6.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5854279-8ca3-440c-b1d2-b6f862876950/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_a5854279-8ca3-440c-b1d2-b6f862876950/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 25ff40e1cab2a460fc960bb835e8a5bb98b4f09095caa25e5ce8f52bf887c901 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:30:51,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:30:51,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:30:51,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:30:51,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:30:51,853 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:30:51,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:30:51,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:30:51,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:30:51,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:30:51,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:30:51,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:30:51,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:30:51,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:30:51,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:30:51,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:30:51,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:30:51,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:30:51,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:30:51,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:30:51,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:30:51,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:30:51,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:30:51,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:30:51,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:30:51,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:30:51,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:30:51,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:30:51,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:30:51,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:30:51,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:30:51,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:30:51,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:30:51,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:30:51,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:30:51,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:30:51,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:30:51,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:30:51,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:30:51,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:30:51,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:30:51,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5854279-8ca3-440c-b1d2-b6f862876950/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:30:51,946 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:30:51,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:30:51,947 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:30:51,947 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:30:51,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:30:51,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:30:51,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:30:51,949 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:30:51,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:30:51,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:30:51,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:30:51,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:30:51,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:30:51,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:30:51,951 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:30:51,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:30:51,951 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:30:51,952 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:30:51,952 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:30:51,952 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:30:51,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:30:51,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:30:51,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:30:51,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:30:51,954 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:30:51,954 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:30:51,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:30:51,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:30:51,955 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_a5854279-8ca3-440c-b1d2-b6f862876950/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5854279-8ca3-440c-b1d2-b6f862876950/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25ff40e1cab2a460fc960bb835e8a5bb98b4f09095caa25e5ce8f52bf887c901 [2021-11-23 00:30:52,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:30:52,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:30:52,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:30:52,368 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:30:52,369 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:30:52,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5854279-8ca3-440c-b1d2-b6f862876950/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.BOUNDED-6.pals.c [2021-11-23 00:30:52,479 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5854279-8ca3-440c-b1d2-b6f862876950/bin/ukojak-LBtLqBUTdQ/data/8627231e9/3743cb262fcf41259ff9c5e6cbe1ccdf/FLAGdc3ff614f [2021-11-23 00:30:53,064 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:30:53,067 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5854279-8ca3-440c-b1d2-b6f862876950/sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.BOUNDED-6.pals.c [2021-11-23 00:30:53,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5854279-8ca3-440c-b1d2-b6f862876950/bin/ukojak-LBtLqBUTdQ/data/8627231e9/3743cb262fcf41259ff9c5e6cbe1ccdf/FLAGdc3ff614f [2021-11-23 00:30:53,390 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5854279-8ca3-440c-b1d2-b6f862876950/bin/ukojak-LBtLqBUTdQ/data/8627231e9/3743cb262fcf41259ff9c5e6cbe1ccdf [2021-11-23 00:30:53,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:30:53,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:30:53,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:30:53,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:30:53,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:30:53,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:30:53" (1/1) ... [2021-11-23 00:30:53,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63094c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:53, skipping insertion in model container [2021-11-23 00:30:53,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:30:53" (1/1) ... [2021-11-23 00:30:53,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:30:53,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:30:53,716 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_a5854279-8ca3-440c-b1d2-b6f862876950/sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.BOUNDED-6.pals.c[5947,5960] [2021-11-23 00:30:53,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:30:53,731 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:30:53,783 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_a5854279-8ca3-440c-b1d2-b6f862876950/sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.BOUNDED-6.pals.c[5947,5960] [2021-11-23 00:30:53,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:30:53,803 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:30:53,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:53 WrapperNode [2021-11-23 00:30:53,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:30:53,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:30:53,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:30:53,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:30:53,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:53" (1/1) ... [2021-11-23 00:30:53,827 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:53" (1/1) ... [2021-11-23 00:30:53,863 INFO L137 Inliner]: procedures = 21, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 219 [2021-11-23 00:30:53,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:30:53,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:30:53,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:30:53,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:30:53,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:53" (1/1) ... [2021-11-23 00:30:53,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:53" (1/1) ... [2021-11-23 00:30:53,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:53" (1/1) ... [2021-11-23 00:30:53,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:53" (1/1) ... [2021-11-23 00:30:53,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:53" (1/1) ... [2021-11-23 00:30:53,924 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:53" (1/1) ... [2021-11-23 00:30:53,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:53" (1/1) ... [2021-11-23 00:30:53,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:30:53,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:30:53,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:30:53,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:30:53,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:30:53" (1/1) ... [2021-11-23 00:30:53,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:30:53,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5854279-8ca3-440c-b1d2-b6f862876950/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:30:54,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5854279-8ca3-440c-b1d2-b6f862876950/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:30:54,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5854279-8ca3-440c-b1d2-b6f862876950/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:30:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:30:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:30:54,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:30:54,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:30:54,200 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:30:54,203 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:30:54,602 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:30:54,901 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:30:54,901 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 00:30:54,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:30:54 BoogieIcfgContainer [2021-11-23 00:30:54,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:30:54,906 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:30:54,906 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:30:54,917 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:30:54,918 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:30:54" (1/1) ... [2021-11-23 00:30:54,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:30:54,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:55,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 00:30:55,002 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 00:30:55,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:30:55,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:55,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:55,448 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 00:30:55,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:55,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-23 00:30:55,585 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-23 00:30:55,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:30:55,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:55,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:55,892 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 00:30:56,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:56,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2021-11-23 00:30:56,159 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2021-11-23 00:30:56,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:30:56,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:56,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:56,289 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 00:30:56,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:56,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2021-11-23 00:30:56,640 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2021-11-23 00:30:56,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:30:56,641 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:56,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:56,828 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 00:30:57,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:57,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2021-11-23 00:30:57,054 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2021-11-23 00:30:57,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:30:57,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:57,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:57,819 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 00:31:00,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:00,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2021-11-23 00:31:00,826 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2021-11-23 00:31:00,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:31:00,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:00,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:01,506 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 00:31:05,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:05,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 42 states and 79 transitions. [2021-11-23 00:31:05,282 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 79 transitions. [2021-11-23 00:31:05,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:31:05,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:05,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:05,684 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:09,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:09,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 53 states and 111 transitions. [2021-11-23 00:31:09,579 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 111 transitions. [2021-11-23 00:31:09,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:31:09,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:09,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:10,059 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 00:31:10,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:10,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 54 states and 115 transitions. [2021-11-23 00:31:10,508 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 115 transitions. [2021-11-23 00:31:10,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:31:10,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:10,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:11,099 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:16,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:16,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 70 states and 159 transitions. [2021-11-23 00:31:16,883 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 159 transitions. [2021-11-23 00:31:16,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:31:16,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:16,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:16,973 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:17,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:17,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 72 states and 164 transitions. [2021-11-23 00:31:17,677 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 164 transitions. [2021-11-23 00:31:17,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:31:17,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:17,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:18,335 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:22,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:22,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 82 states and 197 transitions. [2021-11-23 00:31:22,935 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 197 transitions. [2021-11-23 00:31:22,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:31:22,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:22,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:23,689 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:31,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:31,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 98 states and 237 transitions. [2021-11-23 00:31:31,073 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 237 transitions. [2021-11-23 00:31:31,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:31:31,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:31,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:31,144 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:32,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:32,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 101 states and 252 transitions. [2021-11-23 00:31:32,450 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 252 transitions. [2021-11-23 00:31:32,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:31:32,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:32,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:32,522 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:36,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:36,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 107 states and 273 transitions. [2021-11-23 00:31:36,292 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 273 transitions. [2021-11-23 00:31:36,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:31:36,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:36,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:36,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:37,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:37,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 109 states and 280 transitions. [2021-11-23 00:31:37,037 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 280 transitions. [2021-11-23 00:31:37,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:31:37,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:37,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:37,134 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:38,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:38,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 110 states and 289 transitions. [2021-11-23 00:31:38,221 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 289 transitions. [2021-11-23 00:31:38,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:31:38,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:38,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:38,318 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:42,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:42,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 118 states and 315 transitions. [2021-11-23 00:31:42,675 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 315 transitions. [2021-11-23 00:31:42,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:31:42,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:42,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:47,565 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:14,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:14,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 143 states and 401 transitions. [2021-11-23 00:32:14,880 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 401 transitions. [2021-11-23 00:32:14,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:32:14,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:14,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:16,721 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:19,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:19,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 146 states and 420 transitions. [2021-11-23 00:32:19,856 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 420 transitions. [2021-11-23 00:32:19,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:32:19,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:19,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:24,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:24,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 147 states and 430 transitions. [2021-11-23 00:32:24,015 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 430 transitions. [2021-11-23 00:32:24,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:32:24,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:24,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:25,872 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:28,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:28,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 148 states and 436 transitions. [2021-11-23 00:32:28,182 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 436 transitions. [2021-11-23 00:32:28,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:32:28,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:28,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:29,903 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:38,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:38,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 155 states and 456 transitions. [2021-11-23 00:32:38,374 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 456 transitions. [2021-11-23 00:32:38,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:32:38,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:38,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:40,133 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:43,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:43,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 159 states and 476 transitions. [2021-11-23 00:32:43,459 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 476 transitions. [2021-11-23 00:32:43,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:32:43,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:43,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:45,014 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:47,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:47,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 160 states and 483 transitions. [2021-11-23 00:32:47,152 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 483 transitions. [2021-11-23 00:32:47,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:32:47,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:47,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:48,334 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:09,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:09,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 180 states and 529 transitions. [2021-11-23 00:33:09,424 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 529 transitions. [2021-11-23 00:33:09,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:33:09,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:09,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:17,772 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:07,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:07,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 204 states and 622 transitions. [2021-11-23 00:34:07,780 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 622 transitions. [2021-11-23 00:34:07,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:34:07,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:07,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:11,734 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:44,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:44,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 218 states and 673 transitions. [2021-11-23 00:34:44,687 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 673 transitions. [2021-11-23 00:34:44,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:34:44,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:44,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:44,839 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:11,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:11,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 230 states and 705 transitions. [2021-11-23 00:35:11,554 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 705 transitions. [2021-11-23 00:35:11,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:35:11,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:11,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:15,111 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:32,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:32,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 238 states and 727 transitions. [2021-11-23 00:35:32,160 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 727 transitions. [2021-11-23 00:35:32,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:35:32,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:32,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:35,820 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:51,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:51,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 244 states and 754 transitions. [2021-11-23 00:35:51,149 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 754 transitions. [2021-11-23 00:35:51,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:35:51,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:51,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:54,602 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:03,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:03,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 248 states and 785 transitions. [2021-11-23 00:36:03,959 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 785 transitions. [2021-11-23 00:36:03,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:36:03,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:03,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:04,098 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:22,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:22,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 257 states and 822 transitions. [2021-11-23 00:36:22,406 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 822 transitions. [2021-11-23 00:36:22,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:36:22,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:22,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:22,544 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:27,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:27,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 258 states and 829 transitions. [2021-11-23 00:36:27,472 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 829 transitions. [2021-11-23 00:36:27,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:36:27,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:27,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:30,957 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:34,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:34,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 260 states and 840 transitions. [2021-11-23 00:36:34,170 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 840 transitions. [2021-11-23 00:36:34,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:36:34,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:34,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:34,302 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:48,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:48,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 268 states and 859 transitions. [2021-11-23 00:36:48,420 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 859 transitions. [2021-11-23 00:36:48,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:36:48,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:48,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:51,987 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:56,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:56,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 269 states and 874 transitions. [2021-11-23 00:36:56,406 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 874 transitions. [2021-11-23 00:36:56,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:36:56,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:56,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:56,540 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:00,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:00,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 270 states and 882 transitions. [2021-11-23 00:37:00,184 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 882 transitions. [2021-11-23 00:37:00,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:37:00,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:00,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:03,386 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:39,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:39,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 286 states and 959 transitions. [2021-11-23 00:37:39,202 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 959 transitions. [2021-11-23 00:37:39,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:37:39,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:39,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:39,317 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:02,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:02,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 295 states and 995 transitions. [2021-11-23 00:38:02,330 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 995 transitions. [2021-11-23 00:38:02,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:38:02,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:02,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:02,448 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:17,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:17,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 301 states and 1005 transitions. [2021-11-23 00:38:17,510 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 1005 transitions. [2021-11-23 00:38:17,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:38:17,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:17,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:17,607 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:19,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:19,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 303 states and 1016 transitions. [2021-11-23 00:38:19,862 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 1016 transitions. [2021-11-23 00:38:19,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:38:19,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:19,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:19,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:23,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:23,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 299 states and 1009 transitions. [2021-11-23 00:38:23,024 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 1009 transitions. [2021-11-23 00:38:23,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:38:23,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:23,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:23,798 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:34,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:34,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 305 states and 1046 transitions. [2021-11-23 00:38:34,955 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1046 transitions. [2021-11-23 00:38:34,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:38:34,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:34,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 20 proven. 42 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:38:41,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:41,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 307 states and 1051 transitions. [2021-11-23 00:38:41,313 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 1051 transitions. [2021-11-23 00:38:41,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:38:41,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:41,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:41,414 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:47,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:47,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 309 states and 1054 transitions. [2021-11-23 00:38:47,954 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 1054 transitions. [2021-11-23 00:38:47,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:38:47,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:47,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:48,034 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 20 proven. 42 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 00:38:49,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:49,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 311 states and 1061 transitions. [2021-11-23 00:38:49,980 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1061 transitions. [2021-11-23 00:38:49,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:38:49,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:49,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:50,081 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:56,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:56,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 313 states and 1064 transitions. [2021-11-23 00:38:56,365 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1064 transitions. [2021-11-23 00:38:56,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:38:56,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:56,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:56,607 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:00,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:00,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 314 states and 1069 transitions. [2021-11-23 00:39:00,060 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1069 transitions. [2021-11-23 00:39:00,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:39:00,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:00,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:00,156 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:02,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:02,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 316 states and 1080 transitions. [2021-11-23 00:39:02,326 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 1080 transitions. [2021-11-23 00:39:02,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:39:02,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:02,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:31,427 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:42:24,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:42:24,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 357 states and 1262 transitions. [2021-11-23 00:42:24,503 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 1262 transitions. [2021-11-23 00:42:24,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:42:24,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:42:24,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:42:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:42:34,380 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.