./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/in-de41.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142d1b4a-93ee-45c6-b26c-dcdb81f0b8c4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142d1b4a-93ee-45c6-b26c-dcdb81f0b8c4/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142d1b4a-93ee-45c6-b26c-dcdb81f0b8c4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142d1b4a-93ee-45c6-b26c-dcdb81f0b8c4/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/in-de41.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142d1b4a-93ee-45c6-b26c-dcdb81f0b8c4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142d1b4a-93ee-45c6-b26c-dcdb81f0b8c4/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71e52c2f7da6d5380080fb621ed04f7c322fd22e434b0426cf7577ab025ae680 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:19:43,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:19:43,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:19:43,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:19:43,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:19:43,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:19:43,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:19:43,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:19:43,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:19:43,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:19:43,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:19:43,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:19:43,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:19:43,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:19:43,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:19:43,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:19:43,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:19:43,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:19:43,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:19:43,959 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:19:43,960 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:19:43,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:19:43,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:19:43,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:19:43,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:19:43,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:19:43,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:19:43,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:19:43,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:19:43,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:19:43,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:19:43,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:19:43,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:19:43,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:19:43,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:19:43,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:19:43,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:19:43,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:19:43,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:19:43,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:19:43,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:19:43,996 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142d1b4a-93ee-45c6-b26c-dcdb81f0b8c4/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:19:44,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:19:44,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:19:44,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:19:44,050 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:19:44,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:19:44,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:19:44,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:19:44,051 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:19:44,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:19:44,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:19:44,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:19:44,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:19:44,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:19:44,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:19:44,061 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:19:44,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:19:44,061 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:19:44,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:19:44,062 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:19:44,062 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:19:44,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:19:44,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:19:44,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:19:44,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:19:44,063 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:19:44,063 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:19:44,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:19:44,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:19:44,064 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_142d1b4a-93ee-45c6-b26c-dcdb81f0b8c4/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142d1b4a-93ee-45c6-b26c-dcdb81f0b8c4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71e52c2f7da6d5380080fb621ed04f7c322fd22e434b0426cf7577ab025ae680 [2021-11-22 23:19:44,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:19:44,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:19:44,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:19:44,383 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:19:44,384 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:19:44,386 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142d1b4a-93ee-45c6-b26c-dcdb81f0b8c4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loops-crafted-1/in-de41.c [2021-11-22 23:19:44,469 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142d1b4a-93ee-45c6-b26c-dcdb81f0b8c4/bin/ukojak-LBtLqBUTdQ/data/a084caf48/6372c51a7fc046db9131a44699126be0/FLAG4e557462f [2021-11-22 23:19:45,006 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:19:45,009 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142d1b4a-93ee-45c6-b26c-dcdb81f0b8c4/sv-benchmarks/c/loops-crafted-1/in-de41.c [2021-11-22 23:19:45,022 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142d1b4a-93ee-45c6-b26c-dcdb81f0b8c4/bin/ukojak-LBtLqBUTdQ/data/a084caf48/6372c51a7fc046db9131a44699126be0/FLAG4e557462f [2021-11-22 23:19:45,370 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142d1b4a-93ee-45c6-b26c-dcdb81f0b8c4/bin/ukojak-LBtLqBUTdQ/data/a084caf48/6372c51a7fc046db9131a44699126be0 [2021-11-22 23:19:45,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:19:45,377 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:19:45,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:19:45,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:19:45,383 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:19:45,384 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:19:45" (1/1) ... [2021-11-22 23:19:45,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5177d884 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:45, skipping insertion in model container [2021-11-22 23:19:45,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:19:45" (1/1) ... [2021-11-22 23:19:45,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:19:45,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:19:45,605 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_142d1b4a-93ee-45c6-b26c-dcdb81f0b8c4/sv-benchmarks/c/loops-crafted-1/in-de41.c[368,381] [2021-11-22 23:19:45,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:19:45,642 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:19:45,664 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_142d1b4a-93ee-45c6-b26c-dcdb81f0b8c4/sv-benchmarks/c/loops-crafted-1/in-de41.c[368,381] [2021-11-22 23:19:45,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:19:45,688 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:19:45,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:45 WrapperNode [2021-11-22 23:19:45,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:19:45,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:19:45,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:19:45,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:19:45,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:45" (1/1) ... [2021-11-22 23:19:45,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:45" (1/1) ... [2021-11-22 23:19:45,742 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2021-11-22 23:19:45,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:19:45,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:19:45,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:19:45,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:19:45,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:45" (1/1) ... [2021-11-22 23:19:45,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:45" (1/1) ... [2021-11-22 23:19:45,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:45" (1/1) ... [2021-11-22 23:19:45,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:45" (1/1) ... [2021-11-22 23:19:45,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:45" (1/1) ... [2021-11-22 23:19:45,774 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:45" (1/1) ... [2021-11-22 23:19:45,775 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:45" (1/1) ... [2021-11-22 23:19:45,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:19:45,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:19:45,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:19:45,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:19:45,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:19:45" (1/1) ... [2021-11-22 23:19:45,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:19:45,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142d1b4a-93ee-45c6-b26c-dcdb81f0b8c4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:19:45,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142d1b4a-93ee-45c6-b26c-dcdb81f0b8c4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:19:45,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142d1b4a-93ee-45c6-b26c-dcdb81f0b8c4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:19:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:19:45,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:19:45,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:19:45,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:19:45,931 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:19:45,932 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:19:46,070 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:19:46,097 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:19:46,097 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-22 23:19:46,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:19:46 BoogieIcfgContainer [2021-11-22 23:19:46,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:19:46,101 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:19:46,101 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:19:46,110 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:19:46,110 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:19:46" (1/1) ... [2021-11-22 23:19:46,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:19:46,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:46,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2021-11-22 23:19:46,177 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2021-11-22 23:19:46,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:19:46,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:46,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:46,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:46,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:46,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2021-11-22 23:19:46,825 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2021-11-22 23:19:46,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:19:46,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:46,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:47,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:47,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 16 states and 26 transitions. [2021-11-22 23:19:47,058 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 26 transitions. [2021-11-22 23:19:47,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:19:47,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:47,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:47,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:47,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:47,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2021-11-22 23:19:47,478 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2021-11-22 23:19:47,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:19:47,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:47,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:47,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:48,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:48,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 21 states and 40 transitions. [2021-11-22 23:19:48,035 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 40 transitions. [2021-11-22 23:19:48,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:19:48,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:48,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:48,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:48,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:48,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 22 states and 42 transitions. [2021-11-22 23:19:48,365 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 42 transitions. [2021-11-22 23:19:48,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:19:48,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:48,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:49,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:49,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 27 states and 54 transitions. [2021-11-22 23:19:49,685 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 54 transitions. [2021-11-22 23:19:49,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:19:49,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:49,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:49,846 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:50,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:50,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 28 states and 56 transitions. [2021-11-22 23:19:50,082 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 56 transitions. [2021-11-22 23:19:50,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:19:50,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:50,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:50,208 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:50,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:50,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 29 states and 58 transitions. [2021-11-22 23:19:50,515 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 58 transitions. [2021-11-22 23:19:50,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:19:50,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:50,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:51,155 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:54,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:54,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 36 states and 84 transitions. [2021-11-22 23:19:54,643 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 84 transitions. [2021-11-22 23:19:54,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:19:54,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:54,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:54,685 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:19:55,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 37 states and 85 transitions. [2021-11-22 23:19:55,079 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 85 transitions. [2021-11-22 23:19:55,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:19:55,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:55,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:55,294 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:55,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:55,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 38 states and 87 transitions. [2021-11-22 23:19:55,733 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 87 transitions. [2021-11-22 23:19:55,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:55,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:55,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:55,779 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:57,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:57,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 41 states and 94 transitions. [2021-11-22 23:19:57,501 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 94 transitions. [2021-11-22 23:19:57,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:57,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:57,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:57,543 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:19:57,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:57,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 42 states and 96 transitions. [2021-11-22 23:19:57,992 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 96 transitions. [2021-11-22 23:19:57,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:19:57,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:57,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:58,215 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:20:00,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:00,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 47 states and 106 transitions. [2021-11-22 23:20:00,772 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 106 transitions. [2021-11-22 23:20:00,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:20:00,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:00,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:00,826 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:20:02,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:02,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 51 states and 121 transitions. [2021-11-22 23:20:02,069 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 121 transitions. [2021-11-22 23:20:02,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:20:02,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:02,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:02,318 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:02,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:02,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 52 states and 123 transitions. [2021-11-22 23:20:02,744 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 123 transitions. [2021-11-22 23:20:02,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:20:02,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:02,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:03,131 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:20:04,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:04,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 124 transitions. [2021-11-22 23:20:04,250 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 124 transitions. [2021-11-22 23:20:04,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:20:04,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:04,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:04,299 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:20:13,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:13,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 56 states and 131 transitions. [2021-11-22 23:20:13,127 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 131 transitions. [2021-11-22 23:20:13,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:20:13,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:13,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:13,398 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:14,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:14,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 58 states and 135 transitions. [2021-11-22 23:20:14,470 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 135 transitions. [2021-11-22 23:20:14,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:20:14,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:14,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:14,755 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:15,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:15,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 59 states and 137 transitions. [2021-11-22 23:20:15,318 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 137 transitions. [2021-11-22 23:20:15,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:20:15,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:15,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:15,571 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:20:22,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:22,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 65 states and 156 transitions. [2021-11-22 23:20:22,983 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 156 transitions. [2021-11-22 23:20:22,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:20:22,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:22,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:23,035 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:20:23,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:23,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 62 states and 148 transitions. [2021-11-22 23:20:23,549 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 148 transitions. [2021-11-22 23:20:23,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:20:23,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:23,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:23,775 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 23:20:26,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:26,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 65 states and 151 transitions. [2021-11-22 23:20:26,462 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 151 transitions. [2021-11-22 23:20:26,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:20:26,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:26,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:26,535 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:20:27,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:27,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 66 states and 152 transitions. [2021-11-22 23:20:27,459 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 152 transitions. [2021-11-22 23:20:27,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:20:27,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:27,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:27,695 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:20:30,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:30,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 71 states and 168 transitions. [2021-11-22 23:20:30,438 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 168 transitions. [2021-11-22 23:20:30,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:20:30,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:30,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:30,665 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:20:32,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:32,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 73 states and 172 transitions. [2021-11-22 23:20:32,099 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 172 transitions. [2021-11-22 23:20:32,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:20:32,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:32,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:32,487 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:20:33,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:33,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 74 states and 174 transitions. [2021-11-22 23:20:33,400 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 174 transitions. [2021-11-22 23:20:33,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:20:33,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:33,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:38,250 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:27,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 23:21:28,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:28,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 83 states and 196 transitions. [2021-11-22 23:21:28,362 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 196 transitions. [2021-11-22 23:21:28,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:28,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:28,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:28,413 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:21:32,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:32,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 87 states and 206 transitions. [2021-11-22 23:21:32,695 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 206 transitions. [2021-11-22 23:21:32,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:32,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:32,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:33,015 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:21:34,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:34,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 89 states and 209 transitions. [2021-11-22 23:21:34,993 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 209 transitions. [2021-11-22 23:21:34,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:21:34,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:34,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:35,526 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:21:36,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:36,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 211 transitions. [2021-11-22 23:21:36,558 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 211 transitions. [2021-11-22 23:21:36,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:21:36,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:36,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:36,599 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:21:40,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:40,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 93 states and 215 transitions. [2021-11-22 23:21:40,701 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 215 transitions. [2021-11-22 23:21:40,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:21:40,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:40,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:21:54,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:54,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 99 states and 228 transitions. [2021-11-22 23:21:54,368 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 228 transitions. [2021-11-22 23:21:54,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:21:54,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:54,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:56,189 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:22:01,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:01,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 101 states and 236 transitions. [2021-11-22 23:22:01,347 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 236 transitions. [2021-11-22 23:22:01,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:22:01,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:01,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:01,387 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:22:07,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:07,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 102 states and 238 transitions. [2021-11-22 23:22:07,966 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 238 transitions. [2021-11-22 23:22:07,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:22:07,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:07,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:08,021 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:22:18,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:18,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 99 states and 223 transitions. [2021-11-22 23:22:18,481 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 223 transitions. [2021-11-22 23:22:18,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:22:18,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:18,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:18,879 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:22:24,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:24,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 105 states and 246 transitions. [2021-11-22 23:22:24,271 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 246 transitions. [2021-11-22 23:22:24,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:22:24,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:24,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:24,320 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:22:25,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:25,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 106 states and 246 transitions. [2021-11-22 23:22:25,312 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 246 transitions. [2021-11-22 23:22:25,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:22:25,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:25,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:25,677 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:22:28,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:28,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 108 states and 249 transitions. [2021-11-22 23:22:28,125 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 249 transitions. [2021-11-22 23:22:28,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:22:28,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:28,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:28,794 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:30,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:30,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 109 states and 251 transitions. [2021-11-22 23:22:30,084 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 251 transitions. [2021-11-22 23:22:30,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:22:30,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:30,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:30,124 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:22:35,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:35,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 112 states and 257 transitions. [2021-11-22 23:22:35,164 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 257 transitions. [2021-11-22 23:22:35,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:22:35,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:35,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:35,371 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:22:39,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:39,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 112 states and 256 transitions. [2021-11-22 23:22:39,470 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 256 transitions. [2021-11-22 23:22:39,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:22:39,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:39,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:39,509 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:22:45,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:45,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 116 states and 266 transitions. [2021-11-22 23:22:45,964 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 266 transitions. [2021-11-22 23:22:45,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:22:45,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:45,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:46,368 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:22:49,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:49,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 118 states and 269 transitions. [2021-11-22 23:22:49,236 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 269 transitions. [2021-11-22 23:22:49,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:22:49,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:49,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:51,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:51,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 119 states and 271 transitions. [2021-11-22 23:22:51,501 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 271 transitions. [2021-11-22 23:22:51,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:22:51,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:51,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:52,400 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:24:25,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:25,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 126 states and 293 transitions. [2021-11-22 23:24:25,450 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 293 transitions. [2021-11-22 23:24:25,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:24:25,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:25,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:26,206 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:25:20,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 23:25:22,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:22,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 131 states and 311 transitions. [2021-11-22 23:25:22,420 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 311 transitions. [2021-11-22 23:25:22,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:25:22,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:22,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:23,291 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:25:37,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:37,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 132 states and 312 transitions. [2021-11-22 23:25:37,737 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 312 transitions. [2021-11-22 23:25:37,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:25:37,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:37,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:37,772 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:25:41,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:41,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 133 states and 315 transitions. [2021-11-22 23:25:41,633 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 315 transitions. [2021-11-22 23:25:41,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:25:41,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:41,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:41,671 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:25:45,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:45,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 136 states and 319 transitions. [2021-11-22 23:25:45,621 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 319 transitions. [2021-11-22 23:25:45,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:25:45,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:45,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:45,686 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:25:48,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:48,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 137 states and 315 transitions. [2021-11-22 23:25:48,813 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 315 transitions. [2021-11-22 23:25:48,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:25:48,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:48,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:48,869 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:26:05,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:05,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 138 states and 318 transitions. [2021-11-22 23:26:05,467 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 318 transitions. [2021-11-22 23:26:05,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:26:05,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:05,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:06,237 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:26:16,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:16,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 145 states and 344 transitions. [2021-11-22 23:26:16,012 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 344 transitions. [2021-11-22 23:26:16,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:26:16,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:16,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:16,054 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:26:18,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:18,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 147 states and 346 transitions. [2021-11-22 23:26:18,641 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 346 transitions. [2021-11-22 23:26:18,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:26:18,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:18,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:19,181 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:26:23,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:23,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 149 states and 349 transitions. [2021-11-22 23:26:23,046 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 349 transitions. [2021-11-22 23:26:23,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:26:23,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:23,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:24,099 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:26,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:26,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 150 states and 351 transitions. [2021-11-22 23:26:26,163 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 351 transitions. [2021-11-22 23:26:26,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:26:26,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:26,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:31,885 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:29:05,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:05,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 160 states and 371 transitions. [2021-11-22 23:29:05,893 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 371 transitions. [2021-11-22 23:29:05,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:29:05,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:05,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:12,073 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:29:23,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:23,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 162 states and 377 transitions. [2021-11-22 23:29:23,806 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 377 transitions. [2021-11-22 23:29:23,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:29:23,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:23,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:23,883 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:29:26,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:26,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 163 states and 379 transitions. [2021-11-22 23:29:26,656 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 379 transitions. [2021-11-22 23:29:26,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:29:26,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:26,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:26,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:26,705 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 23:29:38,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:38,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 166 states and 384 transitions. [2021-11-22 23:29:38,041 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 384 transitions. [2021-11-22 23:29:38,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:29:38,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:38,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:38,872 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:29:41,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:41,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 167 states and 384 transitions. [2021-11-22 23:29:41,119 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 384 transitions. [2021-11-22 23:29:41,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:29:41,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:41,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:41,175 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:29:58,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:58,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 168 states and 386 transitions. [2021-11-22 23:29:58,972 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 386 transitions. [2021-11-22 23:29:58,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:29:58,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:58,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:59,026 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:30:22,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:22,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 172 states and 396 transitions. [2021-11-22 23:30:22,051 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 396 transitions. [2021-11-22 23:30:22,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:30:22,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:22,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:22,992 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:30:30,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:30,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 174 states and 399 transitions. [2021-11-22 23:30:30,019 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 399 transitions. [2021-11-22 23:30:30,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:30:30,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:30,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:31,838 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:35,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:35,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 175 states and 401 transitions. [2021-11-22 23:30:35,488 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 401 transitions. [2021-11-22 23:30:35,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:30:35,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:35,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:36,877 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:31:05,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:05,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 183 states and 417 transitions. [2021-11-22 23:31:05,663 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 417 transitions. [2021-11-22 23:31:05,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:31:05,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:05,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:05,715 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:31:11,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:11,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 184 states and 420 transitions. [2021-11-22 23:31:11,176 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 420 transitions. [2021-11-22 23:31:11,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:31:11,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:11,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:11,912 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:31:18,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:18,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 186 states and 422 transitions. [2021-11-22 23:31:18,488 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 422 transitions. [2021-11-22 23:31:18,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:31:18,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:18,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:18,572 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:31:24,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:24,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 187 states and 418 transitions. [2021-11-22 23:31:24,829 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 418 transitions. [2021-11-22 23:31:24,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:31:24,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:24,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:24,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:24,884 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:31:34,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:34,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 190 states and 422 transitions. [2021-11-22 23:31:34,856 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 422 transitions. [2021-11-22 23:31:34,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:31:34,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:34,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:34,911 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:31:41,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:41,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 191 states and 425 transitions. [2021-11-22 23:31:41,084 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 425 transitions. [2021-11-22 23:31:41,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:31:41,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:41,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:41,150 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 12 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:31:58,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:58,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 192 states and 428 transitions. [2021-11-22 23:31:58,914 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 428 transitions. [2021-11-22 23:31:58,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:31:58,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:58,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:00,027 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:32:22,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:22,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 200 states and 457 transitions. [2021-11-22 23:32:22,687 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 457 transitions. [2021-11-22 23:32:22,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:32:22,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:22,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:22,745 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:32:27,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:27,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 202 states and 459 transitions. [2021-11-22 23:32:27,948 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 459 transitions. [2021-11-22 23:32:27,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:32:27,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:27,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:32:30,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:30,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 203 states and 459 transitions. [2021-11-22 23:32:30,393 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 459 transitions. [2021-11-22 23:32:30,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:32:30,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:30,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:30,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:31,612 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:32:39,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:39,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 205 states and 462 transitions. [2021-11-22 23:32:39,537 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 462 transitions. [2021-11-22 23:32:39,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:32:39,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:39,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:41,657 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:32:46,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:46,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 206 states and 464 transitions. [2021-11-22 23:32:46,119 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 464 transitions. [2021-11-22 23:32:46,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:32:46,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:46,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:46,174 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:33:00,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:00,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 209 states and 468 transitions. [2021-11-22 23:33:00,510 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 468 transitions. [2021-11-22 23:33:00,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:33:00,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:00,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:01,241 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-22 23:33:10,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:10,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 211 states and 470 transitions. [2021-11-22 23:33:10,358 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 470 transitions. [2021-11-22 23:33:10,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:33:10,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:10,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:10,483 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.