./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/in-de20.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_47411985-bca2-44a0-9a0c-7ca437ce56db/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47411985-bca2-44a0-9a0c-7ca437ce56db/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_47411985-bca2-44a0-9a0c-7ca437ce56db/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47411985-bca2-44a0-9a0c-7ca437ce56db/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/in-de20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47411985-bca2-44a0-9a0c-7ca437ce56db/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_47411985-bca2-44a0-9a0c-7ca437ce56db/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 cfe6fce904e7772b92437e018e53dfef745de1dd85f6147cfc72edd062333cfd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:28:51,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:28:51,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:28:51,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:28:51,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:28:51,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:28:51,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:28:51,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:28:51,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:28:51,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:28:51,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:28:51,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:28:51,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:28:51,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:28:51,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:28:51,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:28:51,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:28:51,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:28:51,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:28:51,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:28:51,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:28:51,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:28:51,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:28:51,988 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:28:51,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:28:52,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:28:52,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:28:52,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:28:52,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:28:52,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:28:52,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:28:52,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:28:52,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:28:52,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:28:52,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:28:52,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:28:52,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:28:52,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:28:52,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:28:52,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:28:52,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:28:52,024 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47411985-bca2-44a0-9a0c-7ca437ce56db/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:28:52,092 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:28:52,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:28:52,096 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:28:52,097 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:28:52,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:28:52,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:28:52,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:28:52,099 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:28:52,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:28:52,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:28:52,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:28:52,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:28:52,109 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:28:52,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:28:52,110 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:28:52,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:28:52,111 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:28:52,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:28:52,130 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:28:52,131 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:28:52,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:28:52,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:52,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:28:52,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:28:52,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:28:52,132 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:28:52,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:28:52,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:28:52,133 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_47411985-bca2-44a0-9a0c-7ca437ce56db/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47411985-bca2-44a0-9a0c-7ca437ce56db/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfe6fce904e7772b92437e018e53dfef745de1dd85f6147cfc72edd062333cfd [2021-11-23 00:28:52,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:28:52,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:28:52,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:28:52,471 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:28:52,472 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:28:52,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47411985-bca2-44a0-9a0c-7ca437ce56db/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loops-crafted-1/in-de20.c [2021-11-23 00:28:52,548 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47411985-bca2-44a0-9a0c-7ca437ce56db/bin/ukojak-LBtLqBUTdQ/data/1ef3be6af/e8b45d7c97d84247b7d42ab3f2c72fce/FLAGc6f7a15c5 [2021-11-23 00:28:53,246 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:28:53,250 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47411985-bca2-44a0-9a0c-7ca437ce56db/sv-benchmarks/c/loops-crafted-1/in-de20.c [2021-11-23 00:28:53,264 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47411985-bca2-44a0-9a0c-7ca437ce56db/bin/ukojak-LBtLqBUTdQ/data/1ef3be6af/e8b45d7c97d84247b7d42ab3f2c72fce/FLAGc6f7a15c5 [2021-11-23 00:28:53,565 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47411985-bca2-44a0-9a0c-7ca437ce56db/bin/ukojak-LBtLqBUTdQ/data/1ef3be6af/e8b45d7c97d84247b7d42ab3f2c72fce [2021-11-23 00:28:53,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:28:53,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:28:53,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:53,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:28:53,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:28:53,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:53" (1/1) ... [2021-11-23 00:28:53,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30f19321 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:53, skipping insertion in model container [2021-11-23 00:28:53,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:53" (1/1) ... [2021-11-23 00:28:53,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:28:53,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:28:53,817 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_47411985-bca2-44a0-9a0c-7ca437ce56db/sv-benchmarks/c/loops-crafted-1/in-de20.c[368,381] [2021-11-23 00:28:53,830 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:53,841 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:28:53,857 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_47411985-bca2-44a0-9a0c-7ca437ce56db/sv-benchmarks/c/loops-crafted-1/in-de20.c[368,381] [2021-11-23 00:28:53,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:53,878 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:28:53,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:53 WrapperNode [2021-11-23 00:28:53,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:53,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:53,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:28:53,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:28:53,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:53" (1/1) ... [2021-11-23 00:28:53,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:53" (1/1) ... [2021-11-23 00:28:53,920 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2021-11-23 00:28:53,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:53,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:28:53,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:28:53,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:28:53,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:53" (1/1) ... [2021-11-23 00:28:53,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:53" (1/1) ... [2021-11-23 00:28:53,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:53" (1/1) ... [2021-11-23 00:28:53,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:53" (1/1) ... [2021-11-23 00:28:53,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:53" (1/1) ... [2021-11-23 00:28:53,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:53" (1/1) ... [2021-11-23 00:28:53,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:53" (1/1) ... [2021-11-23 00:28:53,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:28:53,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:28:53,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:28:53,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:28:53,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:53" (1/1) ... [2021-11-23 00:28:53,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:53,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47411985-bca2-44a0-9a0c-7ca437ce56db/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:28:53,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47411985-bca2-44a0-9a0c-7ca437ce56db/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:28:54,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47411985-bca2-44a0-9a0c-7ca437ce56db/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:28:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:28:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:28:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:28:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:28:54,114 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:28:54,116 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:28:54,235 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:28:54,255 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:28:54,256 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:28:54,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:54 BoogieIcfgContainer [2021-11-23 00:28:54,258 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:28:54,259 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:28:54,259 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:28:54,281 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:28:54,281 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:28:54" (1/1) ... [2021-11-23 00:28:54,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:28:54,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:54,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2021-11-23 00:28:54,352 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2021-11-23 00:28:54,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 00:28:54,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:54,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:54,757 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 00:28:54,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:54,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2021-11-23 00:28:54,882 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2021-11-23 00:28:54,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:28:54,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:54,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:54,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:55,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:55,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 13 states and 21 transitions. [2021-11-23 00:28:55,149 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 21 transitions. [2021-11-23 00:28:55,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:28:55,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:55,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:55,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:55,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:55,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 15 states and 30 transitions. [2021-11-23 00:28:55,589 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 30 transitions. [2021-11-23 00:28:55,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:28:55,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:55,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:55,698 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:56,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:56,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 17 states and 34 transitions. [2021-11-23 00:28:56,070 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 34 transitions. [2021-11-23 00:28:56,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 00:28:56,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:56,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:56,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:56,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:56,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 18 states and 39 transitions. [2021-11-23 00:28:56,623 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 39 transitions. [2021-11-23 00:28:56,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:28:56,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:56,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:56,826 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 00:28:57,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:57,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 19 states and 40 transitions. [2021-11-23 00:28:57,103 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 40 transitions. [2021-11-23 00:28:57,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:28:57,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:57,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:57,245 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:57,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:57,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 20 states and 43 transitions. [2021-11-23 00:28:57,555 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 43 transitions. [2021-11-23 00:28:57,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:28:57,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:57,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:57,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:58,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:58,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 21 states and 48 transitions. [2021-11-23 00:28:58,108 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 48 transitions. [2021-11-23 00:28:58,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:28:58,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:58,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:58,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:59,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:59,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 23 states and 55 transitions. [2021-11-23 00:28:59,324 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 55 transitions. [2021-11-23 00:28:59,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:28:59,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:59,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:59,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:28:59,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:28:59,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 24 states and 56 transitions. [2021-11-23 00:28:59,820 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 56 transitions. [2021-11-23 00:28:59,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:28:59,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:28:59,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:28:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:28:59,989 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:00,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:00,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 25 states and 59 transitions. [2021-11-23 00:29:00,392 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 59 transitions. [2021-11-23 00:29:00,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:29:00,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:00,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:00,592 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:01,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:01,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 26 states and 64 transitions. [2021-11-23 00:29:01,047 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 64 transitions. [2021-11-23 00:29:01,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:29:01,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:01,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:01,090 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:01,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:01,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 28 states and 68 transitions. [2021-11-23 00:29:01,461 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 68 transitions. [2021-11-23 00:29:01,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:29:01,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:01,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:01,582 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:02,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:02,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 30 states and 71 transitions. [2021-11-23 00:29:02,132 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 71 transitions. [2021-11-23 00:29:02,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:29:02,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:02,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:02,211 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:02,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:02,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 31 states and 73 transitions. [2021-11-23 00:29:02,616 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 73 transitions. [2021-11-23 00:29:02,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:29:02,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:02,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:02,847 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:03,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:03,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 32 states and 77 transitions. [2021-11-23 00:29:03,482 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 77 transitions. [2021-11-23 00:29:03,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:29:03,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:03,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:04,824 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:11,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:11,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 34 states and 83 transitions. [2021-11-23 00:29:11,806 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 83 transitions. [2021-11-23 00:29:11,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:29:11,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:11,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:12,009 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:12,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:12,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 35 states and 85 transitions. [2021-11-23 00:29:12,337 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 85 transitions. [2021-11-23 00:29:12,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:29:12,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:12,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:12,411 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:13,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:13,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 37 states and 88 transitions. [2021-11-23 00:29:13,070 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 88 transitions. [2021-11-23 00:29:13,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:29:13,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:13,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:13,281 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:13,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:13,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 39 states and 91 transitions. [2021-11-23 00:29:13,870 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 91 transitions. [2021-11-23 00:29:13,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:29:13,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:13,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:14,135 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:14,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:14,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 40 states and 95 transitions. [2021-11-23 00:29:14,864 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 95 transitions. [2021-11-23 00:29:14,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:29:14,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:14,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:14,925 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:15,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 41 states and 97 transitions. [2021-11-23 00:29:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 97 transitions. [2021-11-23 00:29:15,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:15,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:15,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:15,712 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:16,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:16,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 42 states and 100 transitions. [2021-11-23 00:29:16,409 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 100 transitions. [2021-11-23 00:29:16,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:16,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:16,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:16,733 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:17,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:17,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 43 states and 105 transitions. [2021-11-23 00:29:17,506 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 105 transitions. [2021-11-23 00:29:17,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:17,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:17,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:17,562 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:18,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:18,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 44 states and 105 transitions. [2021-11-23 00:29:18,025 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 105 transitions. [2021-11-23 00:29:18,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:29:18,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:18,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:18,086 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:18,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:18,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 46 states and 107 transitions. [2021-11-23 00:29:18,882 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 107 transitions. [2021-11-23 00:29:18,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:29:18,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:18,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:20,597 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:23,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:23,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 47 states and 109 transitions. [2021-11-23 00:29:23,015 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 109 transitions. [2021-11-23 00:29:23,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:29:23,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:23,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:23,630 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:24,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:24,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 48 states and 111 transitions. [2021-11-23 00:29:24,187 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 111 transitions. [2021-11-23 00:29:24,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:29:24,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:24,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:24,510 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:25,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:25,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 49 states and 112 transitions. [2021-11-23 00:29:25,230 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 112 transitions. [2021-11-23 00:29:25,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:29:25,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:25,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:25,482 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:26,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:26,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 50 states and 115 transitions. [2021-11-23 00:29:26,348 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 115 transitions. [2021-11-23 00:29:26,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:29:26,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:26,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:26,801 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:27,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:27,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 51 states and 120 transitions. [2021-11-23 00:29:27,981 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 120 transitions. [2021-11-23 00:29:27,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:29:27,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:27,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:28,048 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:28,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:28,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 52 states and 120 transitions. [2021-11-23 00:29:28,643 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 120 transitions. [2021-11-23 00:29:28,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:29:28,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:28,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:28,701 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:29,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:29,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 122 transitions. [2021-11-23 00:29:29,828 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 122 transitions. [2021-11-23 00:29:29,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:29:29,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:29,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:29,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:30,077 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:30,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:30,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 55 states and 125 transitions. [2021-11-23 00:29:30,989 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 125 transitions. [2021-11-23 00:29:30,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:29:30,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:30,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:31,087 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:31,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:31,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 56 states and 125 transitions. [2021-11-23 00:29:31,670 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 125 transitions. [2021-11-23 00:29:31,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:29:31,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:31,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:31,732 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:32,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:32,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 58 states and 128 transitions. [2021-11-23 00:29:32,769 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 128 transitions. [2021-11-23 00:29:32,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:29:32,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:32,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:33,319 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:34,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:34,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 59 states and 132 transitions. [2021-11-23 00:29:34,492 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 132 transitions. [2021-11-23 00:29:34,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:29:34,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:34,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:38,008 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:44,477 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 00:29:46,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:46,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 61 states and 136 transitions. [2021-11-23 00:29:46,311 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 136 transitions. [2021-11-23 00:29:46,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:29:46,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:46,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:46,596 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:47,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:47,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 62 states and 137 transitions. [2021-11-23 00:29:47,435 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 137 transitions. [2021-11-23 00:29:47,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:29:47,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:47,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:47,770 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:48,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:48,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 63 states and 138 transitions. [2021-11-23 00:29:48,939 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 138 transitions. [2021-11-23 00:29:48,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:29:48,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:48,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:49,008 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:49,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:49,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 64 states and 139 transitions. [2021-11-23 00:29:49,794 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 139 transitions. [2021-11-23 00:29:49,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:29:49,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:49,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:50,146 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:51,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:51,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 66 states and 142 transitions. [2021-11-23 00:29:51,621 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 142 transitions. [2021-11-23 00:29:51,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:29:51,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:51,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:51,687 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:52,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:52,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 67 states and 144 transitions. [2021-11-23 00:29:52,711 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 144 transitions. [2021-11-23 00:29:52,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:29:52,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:52,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:52,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:53,323 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:54,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:54,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 68 states and 148 transitions. [2021-11-23 00:29:54,760 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 148 transitions. [2021-11-23 00:29:54,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:29:54,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:54,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:54,841 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:55,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:55,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 69 states and 149 transitions. [2021-11-23 00:29:55,655 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 149 transitions. [2021-11-23 00:29:55,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:29:55,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:55,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:56,017 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:57,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:57,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 70 states and 151 transitions. [2021-11-23 00:29:57,330 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 151 transitions. [2021-11-23 00:29:57,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:29:57,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:57,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:57,974 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:29:59,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:29:59,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 71 states and 156 transitions. [2021-11-23 00:29:59,503 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 156 transitions. [2021-11-23 00:29:59,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:29:59,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:29:59,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:29:59,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:29:59,571 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:00,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:00,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 73 states and 158 transitions. [2021-11-23 00:30:00,972 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 158 transitions. [2021-11-23 00:30:00,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:30:00,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:00,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:03,657 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:06,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 00:30:12,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:12,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 76 states and 164 transitions. [2021-11-23 00:30:12,619 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 164 transitions. [2021-11-23 00:30:12,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:30:12,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:12,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:13,058 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:14,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:14,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 77 states and 165 transitions. [2021-11-23 00:30:14,161 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 165 transitions. [2021-11-23 00:30:14,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:30:14,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:14,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:14,502 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:15,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:15,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 78 states and 165 transitions. [2021-11-23 00:30:15,995 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 165 transitions. [2021-11-23 00:30:15,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:30:15,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:15,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:17,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:17,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 79 states and 168 transitions. [2021-11-23 00:30:17,821 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 168 transitions. [2021-11-23 00:30:17,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:30:17,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:17,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:17,894 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:18,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:18,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 80 states and 168 transitions. [2021-11-23 00:30:18,805 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 168 transitions. [2021-11-23 00:30:18,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:30:18,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:18,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:19,425 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:21,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:21,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 81 states and 173 transitions. [2021-11-23 00:30:21,260 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 173 transitions. [2021-11-23 00:30:21,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:30:21,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:21,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:21,330 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:22,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:22,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 83 states and 175 transitions. [2021-11-23 00:30:22,957 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 175 transitions. [2021-11-23 00:30:22,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:30:22,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:22,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:23,344 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:24,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:24,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 84 states and 178 transitions. [2021-11-23 00:30:24,927 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 178 transitions. [2021-11-23 00:30:24,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:30:24,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:24,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:25,002 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:26,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:26,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 85 states and 178 transitions. [2021-11-23 00:30:26,033 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 178 transitions. [2021-11-23 00:30:26,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:30:26,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:26,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:26,176 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:27,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:27,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 87 states and 181 transitions. [2021-11-23 00:30:27,915 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 181 transitions. [2021-11-23 00:30:27,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:30:27,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:27,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:28,565 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:30,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:30,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 88 states and 185 transitions. [2021-11-23 00:30:30,595 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 185 transitions. [2021-11-23 00:30:30,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:30:30,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:30,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:34,261 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:46,346 WARN L227 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:30:54,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 91 states and 191 transitions. [2021-11-23 00:30:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 191 transitions. [2021-11-23 00:30:54,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:30:54,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:54,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:54,559 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:30:58,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:30:58,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 93 states and 193 transitions. [2021-11-23 00:30:58,411 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 193 transitions. [2021-11-23 00:30:58,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:30:58,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:30:58,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:30:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:30:59,393 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:01,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:01,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 94 states and 193 transitions. [2021-11-23 00:31:01,066 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 193 transitions. [2021-11-23 00:31:01,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:31:01,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:01,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:01,152 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:02,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:02,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 95 states and 194 transitions. [2021-11-23 00:31:02,542 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 194 transitions. [2021-11-23 00:31:02,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:31:02,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:02,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:03,015 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:05,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:05,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 96 states and 196 transitions. [2021-11-23 00:31:05,022 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 196 transitions. [2021-11-23 00:31:05,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:31:05,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:05,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:05,913 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:08,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:08,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 97 states and 201 transitions. [2021-11-23 00:31:08,555 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 201 transitions. [2021-11-23 00:31:08,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:31:08,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:08,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:08,631 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:10,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:10,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 99 states and 203 transitions. [2021-11-23 00:31:10,857 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 203 transitions. [2021-11-23 00:31:10,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:31:10,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:10,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:10,941 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:12,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:12,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 100 states and 204 transitions. [2021-11-23 00:31:12,330 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 204 transitions. [2021-11-23 00:31:12,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:31:12,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:12,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:12,791 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:14,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:14,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 101 states and 206 transitions. [2021-11-23 00:31:14,959 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 206 transitions. [2021-11-23 00:31:14,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:31:14,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:14,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:15,937 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:18,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:18,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 102 states and 211 transitions. [2021-11-23 00:31:18,670 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 211 transitions. [2021-11-23 00:31:18,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:31:18,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:18,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:18,758 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:21,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:21,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 104 states and 213 transitions. [2021-11-23 00:31:21,631 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 213 transitions. [2021-11-23 00:31:21,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:31:21,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:21,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:27,068 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:40,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:40,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 107 states and 219 transitions. [2021-11-23 00:31:40,698 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 219 transitions. [2021-11-23 00:31:40,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:31:40,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:40,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:41,574 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:48,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:48,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 110 states and 222 transitions. [2021-11-23 00:31:48,343 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 222 transitions. [2021-11-23 00:31:48,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:31:48,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:48,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:48,966 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:50,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:50,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 111 states and 222 transitions. [2021-11-23 00:31:50,747 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 222 transitions. [2021-11-23 00:31:50,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:31:50,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:50,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:50,845 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:52,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:52,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 112 states and 223 transitions. [2021-11-23 00:31:52,460 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 223 transitions. [2021-11-23 00:31:52,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:31:52,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:52,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:53,107 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:55,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 113 states and 225 transitions. [2021-11-23 00:31:55,547 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 225 transitions. [2021-11-23 00:31:55,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:31:55,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:55,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:55,635 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:31:58,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:31:58,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 115 states and 228 transitions. [2021-11-23 00:31:58,452 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 228 transitions. [2021-11-23 00:31:58,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:31:58,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:31:58,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:31:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:31:59,520 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:02,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:02,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 116 states and 232 transitions. [2021-11-23 00:32:02,906 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 232 transitions. [2021-11-23 00:32:02,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:32:02,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:02,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:03,460 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:06,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:06,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 117 states and 235 transitions. [2021-11-23 00:32:06,185 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 235 transitions. [2021-11-23 00:32:06,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:32:06,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:06,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:06,283 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:08,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:08,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 118 states and 235 transitions. [2021-11-23 00:32:08,065 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 235 transitions. [2021-11-23 00:32:08,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:32:08,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:08,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:09,409 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:12,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:12,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 119 states and 240 transitions. [2021-11-23 00:32:12,967 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 240 transitions. [2021-11-23 00:32:12,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:32:12,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:12,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:13,081 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:15,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:15,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 121 states and 242 transitions. [2021-11-23 00:32:15,559 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 242 transitions. [2021-11-23 00:32:15,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:32:15,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:15,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:27,047 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:47,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:47,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 125 states and 250 transitions. [2021-11-23 00:32:47,008 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 250 transitions. [2021-11-23 00:32:47,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:32:47,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:47,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:47,870 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:32:53,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:32:53,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 127 states and 252 transitions. [2021-11-23 00:32:53,429 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 252 transitions. [2021-11-23 00:32:53,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:32:53,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:32:53,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:32:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:32:53,885 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:07,995 WARN L227 SmtUtils]: Spent 10.26s on a formula simplification that was a NOOP. DAG size: 66 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-23 00:33:10,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:10,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 129 states and 252 transitions. [2021-11-23 00:33:10,474 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 252 transitions. [2021-11-23 00:33:10,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:33:10,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:10,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:12,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:12,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 130 states and 253 transitions. [2021-11-23 00:33:12,497 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 253 transitions. [2021-11-23 00:33:12,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:33:12,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:12,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:13,321 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:16,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 131 states and 255 transitions. [2021-11-23 00:33:16,476 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 255 transitions. [2021-11-23 00:33:16,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:33:16,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:16,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:17,836 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:22,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:22,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 132 states and 260 transitions. [2021-11-23 00:33:22,124 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 260 transitions. [2021-11-23 00:33:22,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:33:22,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:22,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:22,225 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:25,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:25,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 134 states and 262 transitions. [2021-11-23 00:33:25,734 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 262 transitions. [2021-11-23 00:33:25,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:33:25,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:25,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:25,851 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:27,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:27,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 135 states and 263 transitions. [2021-11-23 00:33:27,866 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 263 transitions. [2021-11-23 00:33:27,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:33:27,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:27,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:28,752 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:31,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:31,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 136 states and 265 transitions. [2021-11-23 00:33:31,921 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 265 transitions. [2021-11-23 00:33:31,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:33:31,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:31,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:32,014 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:35,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:35,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 138 states and 268 transitions. [2021-11-23 00:33:35,668 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 268 transitions. [2021-11-23 00:33:35,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:33:35,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:35,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:37,077 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:33:41,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:33:41,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 139 states and 272 transitions. [2021-11-23 00:33:41,747 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 272 transitions. [2021-11-23 00:33:41,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:33:41,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:33:41,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:33:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:33:51,190 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:23,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:23,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 144 states and 281 transitions. [2021-11-23 00:34:23,450 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 281 transitions. [2021-11-23 00:34:23,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:34:23,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:23,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:23,936 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:30,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:30,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 146 states and 283 transitions. [2021-11-23 00:34:30,557 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 283 transitions. [2021-11-23 00:34:30,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:34:30,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:30,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:31,079 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:38,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:38,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 148 states and 283 transitions. [2021-11-23 00:34:38,767 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 283 transitions. [2021-11-23 00:34:38,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:34:38,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:38,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:39,522 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:43,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:43,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 149 states and 286 transitions. [2021-11-23 00:34:43,279 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 286 transitions. [2021-11-23 00:34:43,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:34:43,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:43,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:45,138 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:50,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:50,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 150 states and 291 transitions. [2021-11-23 00:34:50,305 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 291 transitions. [2021-11-23 00:34:50,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:34:50,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:50,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:50,420 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:52,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:52,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 151 states and 291 transitions. [2021-11-23 00:34:52,963 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 291 transitions. [2021-11-23 00:34:52,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:34:52,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:52,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:53,070 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:34:57,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:34:57,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 153 states and 293 transitions. [2021-11-23 00:34:57,261 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 293 transitions. [2021-11-23 00:34:57,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:34:57,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:34:57,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:34:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:34:57,373 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 193 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:00,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:00,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 154 states and 294 transitions. [2021-11-23 00:35:00,111 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 294 transitions. [2021-11-23 00:35:00,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:35:00,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:00,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:00,972 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:05,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:05,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 156 states and 297 transitions. [2021-11-23 00:35:05,974 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 297 transitions. [2021-11-23 00:35:05,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:35:05,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:05,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:06,084 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:09,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:09,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 157 states and 299 transitions. [2021-11-23 00:35:09,486 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 299 transitions. [2021-11-23 00:35:09,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:35:09,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:09,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:11,132 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:35:16,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:35:16,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 158 states and 303 transitions. [2021-11-23 00:35:16,758 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 303 transitions. [2021-11-23 00:35:16,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:35:16,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:35:16,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:35:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:35:28,653 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:06,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:06,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 162 states and 311 transitions. [2021-11-23 00:36:06,097 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 311 transitions. [2021-11-23 00:36:06,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:36:06,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:06,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:06,712 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:26,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:26,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 166 states and 315 transitions. [2021-11-23 00:36:26,048 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 315 transitions. [2021-11-23 00:36:26,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:36:26,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:26,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:26,464 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:31,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:31,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 168 states and 315 transitions. [2021-11-23 00:36:31,634 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 315 transitions. [2021-11-23 00:36:31,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:36:31,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:31,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:31,734 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 0 proven. 213 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:33,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:33,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 169 states and 316 transitions. [2021-11-23 00:36:33,964 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 316 transitions. [2021-11-23 00:36:33,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:36:33,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:33,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:34,865 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:39,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:39,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 171 states and 319 transitions. [2021-11-23 00:36:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 319 transitions. [2021-11-23 00:36:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:36:39,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:39,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:40,895 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:45,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:45,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 172 states and 323 transitions. [2021-11-23 00:36:45,784 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 323 transitions. [2021-11-23 00:36:45,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:36:45,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:45,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:45,873 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:48,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:48,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 173 states and 325 transitions. [2021-11-23 00:36:48,796 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 325 transitions. [2021-11-23 00:36:48,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:36:48,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:48,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:48,881 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:51,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:51,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 174 states and 326 transitions. [2021-11-23 00:36:51,225 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 326 transitions. [2021-11-23 00:36:51,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:36:51,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:51,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:51,991 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:36:56,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:36:56,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 175 states and 328 transitions. [2021-11-23 00:36:56,291 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 328 transitions. [2021-11-23 00:36:56,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:36:56,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:36:56,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:36:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:36:56,391 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 0 proven. 254 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:00,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:00,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 177 states and 331 transitions. [2021-11-23 00:37:00,819 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 331 transitions. [2021-11-23 00:37:00,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:37:00,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:00,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:02,449 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:37:08,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:37:08,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 178 states and 335 transitions. [2021-11-23 00:37:08,387 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 335 transitions. [2021-11-23 00:37:08,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:37:08,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:37:08,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:37:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:37:21,046 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:13,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:13,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 183 states and 345 transitions. [2021-11-23 00:38:13,331 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 345 transitions. [2021-11-23 00:38:13,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:38:13,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:13,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:13,781 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:28,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:28,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 186 states and 348 transitions. [2021-11-23 00:38:28,030 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 348 transitions. [2021-11-23 00:38:28,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:38:28,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:28,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:28,524 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:38,622 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 00:38:49,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:49,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 189 states and 348 transitions. [2021-11-23 00:38:49,956 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 348 transitions. [2021-11-23 00:38:49,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:38:49,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:49,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:50,045 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:52,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:52,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 190 states and 349 transitions. [2021-11-23 00:38:52,625 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 349 transitions. [2021-11-23 00:38:52,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:38:52,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:52,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:38:53,439 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:38:57,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:38:57,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 191 states and 351 transitions. [2021-11-23 00:38:57,954 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 351 transitions. [2021-11-23 00:38:57,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:38:57,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:38:57,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:38:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:00,347 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:07,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:07,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 192 states and 356 transitions. [2021-11-23 00:39:07,115 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 356 transitions. [2021-11-23 00:39:07,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:39:07,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:07,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:07,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:07,208 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:12,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:12,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 194 states and 358 transitions. [2021-11-23 00:39:12,248 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 358 transitions. [2021-11-23 00:39:12,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:39:12,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:12,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:12,376 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 279 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:15,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:15,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 195 states and 359 transitions. [2021-11-23 00:39:15,163 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 359 transitions. [2021-11-23 00:39:15,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:39:15,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:15,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:22,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:22,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 197 states and 362 transitions. [2021-11-23 00:39:22,086 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 362 transitions. [2021-11-23 00:39:22,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:39:22,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:22,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:22,204 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:26,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:26,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 198 states and 364 transitions. [2021-11-23 00:39:26,170 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 364 transitions. [2021-11-23 00:39:26,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:39:26,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:26,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:28,046 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:34,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:34,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 199 states and 368 transitions. [2021-11-23 00:39:34,742 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 368 transitions. [2021-11-23 00:39:34,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:39:34,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:34,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:01,346 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:40:43,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:40:43,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 203 states and 376 transitions. [2021-11-23 00:40:43,898 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 376 transitions. [2021-11-23 00:40:43,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:40:43,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:40:43,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:40:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:40:44,489 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.