./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/process_queue.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce05adbf-4bd1-4630-a513-0d7967c11a14/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce05adbf-4bd1-4630-a513-0d7967c11a14/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce05adbf-4bd1-4630-a513-0d7967c11a14/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce05adbf-4bd1-4630-a513-0d7967c11a14/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/process_queue.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce05adbf-4bd1-4630-a513-0d7967c11a14/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce05adbf-4bd1-4630-a513-0d7967c11a14/bin/ukojak-vF6T2TMglN --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 1ad9f94c1d10f7bc5f4235ca7c5dc51413b43a0e6c48b9e48da5d2e3e751252c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:29:35,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:29:35,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:29:35,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:29:35,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:29:35,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:29:35,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:29:35,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:29:35,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:29:35,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:29:35,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:29:35,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:29:35,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:29:35,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:29:35,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:29:35,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:29:35,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:29:35,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:29:35,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:29:35,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:29:35,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:29:35,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:29:35,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:29:35,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:29:35,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:29:35,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:29:35,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:29:35,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:29:35,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:29:35,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:29:35,883 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:29:35,884 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:29:35,886 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:29:35,887 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:29:35,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:29:35,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:29:35,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:29:35,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:29:35,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:29:35,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:29:35,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:29:35,893 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce05adbf-4bd1-4630-a513-0d7967c11a14/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 05:29:35,936 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:29:35,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:29:35,938 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:29:35,938 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:29:35,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:29:35,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:29:35,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:29:35,940 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:29:35,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:29:35,946 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:29:35,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:29:35,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:29:35,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:29:35,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:29:35,948 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:29:35,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:29:35,948 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:29:35,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:29:35,949 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:29:35,949 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:29:35,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:29:35,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:29:35,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:29:35,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:29:35,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:29:35,950 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:29:35,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:29:35,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:29:35,951 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_ce05adbf-4bd1-4630-a513-0d7967c11a14/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce05adbf-4bd1-4630-a513-0d7967c11a14/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ad9f94c1d10f7bc5f4235ca7c5dc51413b43a0e6c48b9e48da5d2e3e751252c [2021-11-21 05:29:36,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:29:36,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:29:36,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:29:36,340 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:29:36,342 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:29:36,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce05adbf-4bd1-4630-a513-0d7967c11a14/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/heap-data/process_queue.i [2021-11-21 05:29:36,413 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce05adbf-4bd1-4630-a513-0d7967c11a14/bin/ukojak-vF6T2TMglN/data/a51c294fe/ee24edcf64a14d70aba5fb0e1c092449/FLAG10aad1554 [2021-11-21 05:29:36,979 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:29:36,979 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce05adbf-4bd1-4630-a513-0d7967c11a14/sv-benchmarks/c/heap-data/process_queue.i [2021-11-21 05:29:36,993 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce05adbf-4bd1-4630-a513-0d7967c11a14/bin/ukojak-vF6T2TMglN/data/a51c294fe/ee24edcf64a14d70aba5fb0e1c092449/FLAG10aad1554 [2021-11-21 05:29:37,283 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce05adbf-4bd1-4630-a513-0d7967c11a14/bin/ukojak-vF6T2TMglN/data/a51c294fe/ee24edcf64a14d70aba5fb0e1c092449 [2021-11-21 05:29:37,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:29:37,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:29:37,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:29:37,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:29:37,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:29:37,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:29:37" (1/1) ... [2021-11-21 05:29:37,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3acb6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:37, skipping insertion in model container [2021-11-21 05:29:37,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:29:37" (1/1) ... [2021-11-21 05:29:37,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:29:37,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:29:37,707 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_ce05adbf-4bd1-4630-a513-0d7967c11a14/sv-benchmarks/c/heap-data/process_queue.i[23979,23992] [2021-11-21 05:29:37,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:29:37,739 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:29:37,772 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_ce05adbf-4bd1-4630-a513-0d7967c11a14/sv-benchmarks/c/heap-data/process_queue.i[23979,23992] [2021-11-21 05:29:37,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:29:37,807 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:29:37,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:37 WrapperNode [2021-11-21 05:29:37,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:29:37,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:29:37,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:29:37,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:29:37,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:37" (1/1) ... [2021-11-21 05:29:37,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:37" (1/1) ... [2021-11-21 05:29:37,856 INFO L137 Inliner]: procedures = 127, calls = 32, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 111 [2021-11-21 05:29:37,856 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:29:37,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:29:37,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:29:37,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:29:37,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:37" (1/1) ... [2021-11-21 05:29:37,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:37" (1/1) ... [2021-11-21 05:29:37,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:37" (1/1) ... [2021-11-21 05:29:37,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:37" (1/1) ... [2021-11-21 05:29:37,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:37" (1/1) ... [2021-11-21 05:29:37,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:37" (1/1) ... [2021-11-21 05:29:37,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:37" (1/1) ... [2021-11-21 05:29:37,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:29:37,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:29:37,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:29:37,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:29:37,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:29:37" (1/1) ... [2021-11-21 05:29:37,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:29:37,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce05adbf-4bd1-4630-a513-0d7967c11a14/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:29:37,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce05adbf-4bd1-4630-a513-0d7967c11a14/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:29:37,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce05adbf-4bd1-4630-a513-0d7967c11a14/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:29:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 05:29:37,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 05:29:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 05:29:37,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:29:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 05:29:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 05:29:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 05:29:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 05:29:37,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 05:29:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:29:37,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:29:37,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:29:38,130 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:29:38,132 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:29:38,486 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:29:38,575 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:29:38,575 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-21 05:29:38,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:29:38 BoogieIcfgContainer [2021-11-21 05:29:38,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:29:38,579 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:29:38,579 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:29:38,589 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:29:38,589 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:29:38" (1/1) ... [2021-11-21 05:29:38,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:29:38,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:38,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-21 05:29:38,688 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-21 05:29:38,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 05:29:38,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:38,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:39,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:39,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:39,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 20 states and 34 transitions. [2021-11-21 05:29:39,338 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 34 transitions. [2021-11-21 05:29:39,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:29:39,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:39,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:39,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:39,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:39,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 26 states and 48 transitions. [2021-11-21 05:29:39,946 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 48 transitions. [2021-11-21 05:29:39,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 05:29:39,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:39,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:40,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:40,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:40,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 27 states and 51 transitions. [2021-11-21 05:29:40,175 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 51 transitions. [2021-11-21 05:29:40,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 05:29:40,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:40,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:40,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:41,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:41,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 31 states and 67 transitions. [2021-11-21 05:29:41,092 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 67 transitions. [2021-11-21 05:29:41,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-21 05:29:41,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:41,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:41,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:29:41,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:41,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 33 states and 69 transitions. [2021-11-21 05:29:41,566 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 69 transitions. [2021-11-21 05:29:41,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 05:29:41,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:41,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:41,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:41,680 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:29:42,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:42,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2021-11-21 05:29:42,197 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2021-11-21 05:29:42,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:29:42,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:42,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:42,340 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:29:43,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:43,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 39 states and 79 transitions. [2021-11-21 05:29:43,004 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 79 transitions. [2021-11-21 05:29:43,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:29:43,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:43,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:43,075 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:29:43,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:43,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 82 transitions. [2021-11-21 05:29:43,526 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 82 transitions. [2021-11-21 05:29:43,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:29:43,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:43,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:43,670 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:29:44,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:44,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 85 transitions. [2021-11-21 05:29:44,214 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2021-11-21 05:29:44,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:29:44,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:44,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:44,241 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:29:44,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:44,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2021-11-21 05:29:44,434 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2021-11-21 05:29:44,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:29:44,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:44,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:29:44,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:44,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2021-11-21 05:29:44,727 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2021-11-21 05:29:44,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 05:29:44,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:44,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:44,770 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:29:45,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:45,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 88 transitions. [2021-11-21 05:29:45,072 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2021-11-21 05:29:45,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:29:45,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:45,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:45,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:45,629 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:29:48,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:48,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 60 states and 127 transitions. [2021-11-21 05:29:48,967 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 127 transitions. [2021-11-21 05:29:48,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:29:48,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:48,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:49,065 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:29:49,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:49,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 61 states and 128 transitions. [2021-11-21 05:29:49,383 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 128 transitions. [2021-11-21 05:29:49,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-21 05:29:49,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:49,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:49,469 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:29:49,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:49,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2021-11-21 05:29:49,861 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2021-11-21 05:29:49,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 05:29:49,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:49,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:49,985 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:29:50,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:50,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 63 states and 130 transitions. [2021-11-21 05:29:50,360 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 130 transitions. [2021-11-21 05:29:50,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:50,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:50,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:50,485 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:29:52,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:52,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 71 states and 151 transitions. [2021-11-21 05:29:52,157 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 151 transitions. [2021-11-21 05:29:52,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:52,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:52,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:52,188 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:29:52,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:52,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 73 states and 152 transitions. [2021-11-21 05:29:52,854 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 152 transitions. [2021-11-21 05:29:52,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-21 05:29:52,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:52,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:52,878 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:29:53,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:29:53,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 74 states and 152 transitions. [2021-11-21 05:29:53,297 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 152 transitions. [2021-11-21 05:29:53,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:29:53,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:29:53,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:29:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:29:55,061 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:01,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:01,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 88 states and 188 transitions. [2021-11-21 05:30:01,771 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 188 transitions. [2021-11-21 05:30:01,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:30:01,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:01,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:03,481 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:10,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:10,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 100 states and 227 transitions. [2021-11-21 05:30:10,792 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 227 transitions. [2021-11-21 05:30:10,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:30:10,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:10,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:11,043 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:11,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:11,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 101 states and 228 transitions. [2021-11-21 05:30:11,672 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 228 transitions. [2021-11-21 05:30:11,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:30:11,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:11,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:13,458 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:18,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:18,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 109 states and 253 transitions. [2021-11-21 05:30:18,849 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 253 transitions. [2021-11-21 05:30:18,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:30:18,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:18,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:19,492 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:20,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:20,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 110 states and 254 transitions. [2021-11-21 05:30:20,262 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 254 transitions. [2021-11-21 05:30:20,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 05:30:20,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:20,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:20,982 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:22,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:22,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 114 states and 262 transitions. [2021-11-21 05:30:22,404 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 262 transitions. [2021-11-21 05:30:22,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:30:22,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:22,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:23,104 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:30:28,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:28,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 126 states and 295 transitions. [2021-11-21 05:30:28,742 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 295 transitions. [2021-11-21 05:30:28,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:30:28,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:28,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:28,803 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:30:30,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:30,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 128 states and 298 transitions. [2021-11-21 05:30:30,026 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 298 transitions. [2021-11-21 05:30:30,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:30:30,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:30,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:30,087 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:30:31,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:31,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 130 states and 301 transitions. [2021-11-21 05:30:31,283 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 301 transitions. [2021-11-21 05:30:31,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:30:31,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:31,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:33,364 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:37,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:37,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 131 states and 307 transitions. [2021-11-21 05:30:37,237 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 307 transitions. [2021-11-21 05:30:37,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:30:37,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:37,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:37,392 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:39,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:39,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 134 states and 317 transitions. [2021-11-21 05:30:39,706 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 317 transitions. [2021-11-21 05:30:39,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:30:39,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:39,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:39,861 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:42,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:42,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 137 states and 327 transitions. [2021-11-21 05:30:42,304 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 327 transitions. [2021-11-21 05:30:42,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:30:42,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:42,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:43,937 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:49,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:49,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 142 states and 354 transitions. [2021-11-21 05:30:49,446 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 354 transitions. [2021-11-21 05:30:49,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-21 05:30:49,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:49,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:49,574 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:30:50,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:50,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 143 states and 355 transitions. [2021-11-21 05:30:50,459 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 355 transitions. [2021-11-21 05:30:50,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:30:50,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:50,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:51,214 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:30:57,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:57,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 151 states and 382 transitions. [2021-11-21 05:30:57,925 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 382 transitions. [2021-11-21 05:30:57,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:30:57,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:57,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:58,006 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:30:59,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:30:59,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 153 states and 385 transitions. [2021-11-21 05:30:59,721 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 385 transitions. [2021-11-21 05:30:59,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:30:59,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:30:59,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:30:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:30:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:31:01,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:01,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 155 states and 388 transitions. [2021-11-21 05:31:01,618 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 388 transitions. [2021-11-21 05:31:01,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:31:01,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:01,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:03,186 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:31:07,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:07,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 158 states and 394 transitions. [2021-11-21 05:31:07,467 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 394 transitions. [2021-11-21 05:31:07,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:31:07,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:07,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:07,805 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:31:09,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:09,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 162 states and 403 transitions. [2021-11-21 05:31:09,735 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 403 transitions. [2021-11-21 05:31:09,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:31:09,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:09,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:09,765 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:31:10,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:10,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 163 states and 406 transitions. [2021-11-21 05:31:10,818 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 406 transitions. [2021-11-21 05:31:10,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:31:10,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:10,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:10,848 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:31:11,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:11,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 164 states and 407 transitions. [2021-11-21 05:31:11,695 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 407 transitions. [2021-11-21 05:31:11,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-21 05:31:11,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:11,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:13,936 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:31:18,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:18,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 167 states and 415 transitions. [2021-11-21 05:31:18,947 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 415 transitions. [2021-11-21 05:31:18,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 05:31:18,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:18,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:20,565 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:31:23,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:23,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 168 states and 418 transitions. [2021-11-21 05:31:23,195 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 418 transitions. [2021-11-21 05:31:23,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 05:31:23,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:23,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:23,630 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:31:27,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:27,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 172 states and 428 transitions. [2021-11-21 05:31:27,730 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 428 transitions. [2021-11-21 05:31:27,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 05:31:27,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:27,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:27,851 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:31:28,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:28,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 173 states and 428 transitions. [2021-11-21 05:31:28,730 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 428 transitions. [2021-11-21 05:31:28,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 05:31:28,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:28,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:31:29,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:29,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 174 states and 429 transitions. [2021-11-21 05:31:29,837 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 429 transitions. [2021-11-21 05:31:29,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 05:31:29,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:29,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:30,024 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:31:30,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:30,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 175 states and 429 transitions. [2021-11-21 05:31:30,919 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 429 transitions. [2021-11-21 05:31:30,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 05:31:30,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:30,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:31,040 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:31:31,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:31,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 176 states and 429 transitions. [2021-11-21 05:31:31,933 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 429 transitions. [2021-11-21 05:31:31,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 05:31:31,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:31,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:32,929 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:31:40,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:40,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 182 states and 444 transitions. [2021-11-21 05:31:40,304 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 444 transitions. [2021-11-21 05:31:40,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 05:31:40,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:40,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:40,544 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:31:42,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:42,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 184 states and 446 transitions. [2021-11-21 05:31:42,858 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 446 transitions. [2021-11-21 05:31:42,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 05:31:42,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:42,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:43,145 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:31:45,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:45,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 186 states and 448 transitions. [2021-11-21 05:31:45,235 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 448 transitions. [2021-11-21 05:31:45,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 05:31:45,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:45,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:45,512 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:31:47,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:47,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 188 states and 452 transitions. [2021-11-21 05:31:47,870 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 452 transitions. [2021-11-21 05:31:47,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:31:47,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:47,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:48,231 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:31:49,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:49,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 189 states and 452 transitions. [2021-11-21 05:31:49,455 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 452 transitions. [2021-11-21 05:31:49,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 05:31:49,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:49,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:49,789 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:31:50,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:50,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 190 states and 452 transitions. [2021-11-21 05:31:50,844 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 452 transitions. [2021-11-21 05:31:50,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:31:50,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:50,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:51,219 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:31:51,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:31:51,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 191 states and 452 transitions. [2021-11-21 05:31:51,825 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 452 transitions. [2021-11-21 05:31:51,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:31:51,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:31:51,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:31:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:31:53,292 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:32:08,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:08,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 204 states and 500 transitions. [2021-11-21 05:32:08,152 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 500 transitions. [2021-11-21 05:32:08,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:32:08,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:08,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:08,283 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:32:15,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:15,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 209 states and 507 transitions. [2021-11-21 05:32:15,398 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 507 transitions. [2021-11-21 05:32:15,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:32:15,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:15,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:15,526 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:32:17,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:17,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 211 states and 509 transitions. [2021-11-21 05:32:17,948 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 509 transitions. [2021-11-21 05:32:17,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:32:17,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:17,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:18,126 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 17 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:32:34,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:34,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 225 states and 562 transitions. [2021-11-21 05:32:34,770 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 562 transitions. [2021-11-21 05:32:34,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:32:34,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:34,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:34,895 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:32:36,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:36,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 226 states and 562 transitions. [2021-11-21 05:32:36,175 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 562 transitions. [2021-11-21 05:32:36,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:32:36,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:36,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 17 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:32:37,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:37,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 227 states and 563 transitions. [2021-11-21 05:32:37,541 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 563 transitions. [2021-11-21 05:32:37,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:32:37,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:37,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:37,672 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:32:39,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:39,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 228 states and 564 transitions. [2021-11-21 05:32:39,015 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 564 transitions. [2021-11-21 05:32:39,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:32:39,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:39,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:39,185 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 17 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:32:43,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:43,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 231 states and 568 transitions. [2021-11-21 05:32:43,240 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 568 transitions. [2021-11-21 05:32:43,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:32:43,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:43,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:43,428 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 17 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:32:47,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:47,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 234 states and 570 transitions. [2021-11-21 05:32:47,718 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 570 transitions. [2021-11-21 05:32:47,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:32:47,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:47,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:47,847 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:32:50,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:50,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 236 states and 572 transitions. [2021-11-21 05:32:50,826 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 572 transitions. [2021-11-21 05:32:50,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:32:50,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:50,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:50,999 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 17 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:32:54,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:54,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 238 states and 574 transitions. [2021-11-21 05:32:54,140 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 574 transitions. [2021-11-21 05:32:54,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:32:54,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:54,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:54,272 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:32:57,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:32:57,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 240 states and 577 transitions. [2021-11-21 05:32:57,411 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 577 transitions. [2021-11-21 05:32:57,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 05:32:57,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:32:57,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:32:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:32:57,583 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 17 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-21 05:33:00,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:00,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 242 states and 580 transitions. [2021-11-21 05:33:00,722 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 580 transitions. [2021-11-21 05:33:00,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 05:33:00,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:00,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:07,540 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:35,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:35,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 256 states and 632 transitions. [2021-11-21 05:33:35,825 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 632 transitions. [2021-11-21 05:33:35,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 05:33:35,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:35,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:37,210 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:47,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:47,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 260 states and 645 transitions. [2021-11-21 05:33:47,057 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 645 transitions. [2021-11-21 05:33:47,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 05:33:47,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:47,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:48,357 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:50,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:50,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 261 states and 646 transitions. [2021-11-21 05:33:50,175 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 646 transitions. [2021-11-21 05:33:50,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 05:33:50,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:50,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:51,488 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:33:55,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:33:55,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 263 states and 649 transitions. [2021-11-21 05:33:55,270 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 649 transitions. [2021-11-21 05:33:55,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 05:33:55,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:33:55,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:33:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:33:56,583 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:34:00,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:34:00,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 265 states and 651 transitions. [2021-11-21 05:34:00,326 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 651 transitions. [2021-11-21 05:34:00,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 05:34:00,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:34:00,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:34:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:34:01,592 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:34:05,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:34:05,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 267 states and 654 transitions. [2021-11-21 05:34:05,340 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 654 transitions. [2021-11-21 05:34:05,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:34:05,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:34:05,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:34:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:34:11,093 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:34:33,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:34:33,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 276 states and 689 transitions. [2021-11-21 05:34:33,215 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 689 transitions. [2021-11-21 05:34:33,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:34:33,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:34:33,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:34:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:34:33,959 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:34:35,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:34:35,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 277 states and 690 transitions. [2021-11-21 05:34:35,826 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 690 transitions. [2021-11-21 05:34:35,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:34:35,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:34:35,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:34:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:34:36,680 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:34:38,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:34:38,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 278 states and 691 transitions. [2021-11-21 05:34:38,565 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 691 transitions. [2021-11-21 05:34:38,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 05:34:38,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:34:38,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:34:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:34:39,538 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 13 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:34:43,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:34:43,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 280 states and 693 transitions. [2021-11-21 05:34:43,539 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 693 transitions. [2021-11-21 05:34:43,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 05:34:43,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:34:43,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:34:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:34:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:35:31,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:35:31,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 297 states and 758 transitions. [2021-11-21 05:35:31,039 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 758 transitions. [2021-11-21 05:35:31,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 05:35:31,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:35:31,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:35:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:35:31,316 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:35:35,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:35:35,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 299 states and 760 transitions. [2021-11-21 05:35:35,415 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 760 transitions. [2021-11-21 05:35:35,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-21 05:35:35,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:35:35,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:35:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:35:35,697 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:35:37,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:35:37,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 300 states and 761 transitions. [2021-11-21 05:35:37,944 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 761 transitions. [2021-11-21 05:35:37,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:35:37,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:35:37,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:35:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:35:45,703 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:36:15,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:15,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 311 states and 803 transitions. [2021-11-21 05:36:15,333 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 803 transitions. [2021-11-21 05:36:15,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:36:15,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:15,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:16,519 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:36:18,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:18,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 312 states and 804 transitions. [2021-11-21 05:36:18,792 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 804 transitions. [2021-11-21 05:36:18,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-21 05:36:18,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:18,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:36:22,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:22,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 313 states and 805 transitions. [2021-11-21 05:36:22,079 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 805 transitions. [2021-11-21 05:36:22,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 05:36:22,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:22,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:24,188 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 05:36:28,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:36:28,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 314 states and 808 transitions. [2021-11-21 05:36:28,633 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 808 transitions. [2021-11-21 05:36:28,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 05:36:28,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:36:28,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:36:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:36:36,181 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:37:12,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:12,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 331 states and 875 transitions. [2021-11-21 05:37:12,969 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 875 transitions. [2021-11-21 05:37:12,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 05:37:12,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:12,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:14,407 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:37:21,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:21,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 334 states and 882 transitions. [2021-11-21 05:37:21,918 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 882 transitions. [2021-11-21 05:37:21,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 05:37:21,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:21,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:23,498 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:37:25,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:25,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 335 states and 883 transitions. [2021-11-21 05:37:25,731 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 883 transitions. [2021-11-21 05:37:25,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 05:37:25,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:25,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:29,465 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 36 proven. 30 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:37:39,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:37:39,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 337 states and 887 transitions. [2021-11-21 05:37:39,057 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 887 transitions. [2021-11-21 05:37:39,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 05:37:39,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:37:39,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:37:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:37:43,285 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 05:38:13,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:13,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 351 states and 941 transitions. [2021-11-21 05:38:13,116 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 941 transitions. [2021-11-21 05:38:13,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 05:38:13,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:13,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 05:38:15,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:15,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 352 states and 942 transitions. [2021-11-21 05:38:15,648 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 942 transitions. [2021-11-21 05:38:15,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-21 05:38:15,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:15,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:15,782 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 05:38:18,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:18,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 353 states and 943 transitions. [2021-11-21 05:38:18,320 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 943 transitions. [2021-11-21 05:38:18,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:38:18,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:18,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:22,918 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 14 proven. 41 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-21 05:38:36,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:36,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 356 states and 949 transitions. [2021-11-21 05:38:36,618 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 949 transitions. [2021-11-21 05:38:36,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:38:36,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:36,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:37,615 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 14 proven. 41 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-21 05:38:46,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:46,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 360 states and 966 transitions. [2021-11-21 05:38:46,702 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 966 transitions. [2021-11-21 05:38:46,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:38:46,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:46,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:47,724 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 14 proven. 41 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-21 05:38:54,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:38:54,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 363 states and 969 transitions. [2021-11-21 05:38:54,406 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 969 transitions. [2021-11-21 05:38:54,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:38:54,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:38:54,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:38:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:38:55,340 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 14 proven. 41 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-21 05:39:01,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:01,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 366 states and 972 transitions. [2021-11-21 05:39:01,478 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 972 transitions. [2021-11-21 05:39:01,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:39:01,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:01,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:02,495 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 14 proven. 41 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-21 05:39:09,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:09,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 369 states and 977 transitions. [2021-11-21 05:39:09,320 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 977 transitions. [2021-11-21 05:39:09,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:39:09,320 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:09,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:10,721 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 27 proven. 78 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 05:39:16,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:16,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 371 states and 980 transitions. [2021-11-21 05:39:16,886 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 980 transitions. [2021-11-21 05:39:16,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 05:39:16,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:16,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:18,609 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-21 05:39:27,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:27,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 374 states and 1000 transitions. [2021-11-21 05:39:27,347 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 1000 transitions. [2021-11-21 05:39:27,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 05:39:27,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:27,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:28,539 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-21 05:39:34,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 376 states and 1010 transitions. [2021-11-21 05:39:34,731 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 1010 transitions. [2021-11-21 05:39:34,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 05:39:34,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:34,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:35,682 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-21 05:39:41,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:39:41,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 378 states and 1020 transitions. [2021-11-21 05:39:41,625 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 1020 transitions. [2021-11-21 05:39:41,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 05:39:41,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:39:41,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:39:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:39:46,396 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 50 proven. 52 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 05:40:00,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:00,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 381 states and 1025 transitions. [2021-11-21 05:40:00,465 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 1025 transitions. [2021-11-21 05:40:00,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:40:00,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:00,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:12,212 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 4 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:40:49,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:40:49,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 392 states and 1081 transitions. [2021-11-21 05:40:49,979 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 1081 transitions. [2021-11-21 05:40:49,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:40:49,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:40:49,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:40:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:40:51,577 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 4 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:41:07,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:41:07,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 399 states and 1103 transitions. [2021-11-21 05:41:07,410 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 1103 transitions. [2021-11-21 05:41:07,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:41:07,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:41:07,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:41:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:41:23,787 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.