./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/heavy-1.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_36d67001-fe48-4d1a-ae31-2921014a4adb/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d67001-fe48-4d1a-ae31-2921014a4adb/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_36d67001-fe48-4d1a-ae31-2921014a4adb/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d67001-fe48-4d1a-ae31-2921014a4adb/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/heavy-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d67001-fe48-4d1a-ae31-2921014a4adb/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_36d67001-fe48-4d1a-ae31-2921014a4adb/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 544ff1a31d34f1c818140bb31fb5c7091aef904c3b9f7e17a0cc8560e99eb61a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:49:42,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:49:42,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:49:42,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:49:42,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:49:42,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:49:42,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:49:42,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:49:42,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:49:42,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:49:42,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:49:42,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:49:42,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:49:42,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:49:42,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:49:42,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:49:42,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:49:42,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:49:42,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:49:42,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:49:42,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:49:42,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:49:42,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:49:42,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:49:42,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:49:42,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:49:42,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:49:42,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:49:42,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:49:42,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:49:42,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:49:42,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:49:42,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:49:42,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:49:42,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:49:42,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:49:42,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:49:42,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:49:42,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:49:42,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:49:42,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:49:42,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d67001-fe48-4d1a-ae31-2921014a4adb/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:49:42,991 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:49:42,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:49:42,992 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:49:42,992 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:49:42,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:49:42,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:49:42,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:49:42,994 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:49:42,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:49:42,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:49:42,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:49:42,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:49:42,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:49:42,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:49:42,996 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:49:42,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:49:42,996 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:49:42,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:49:42,997 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:49:42,997 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:49:42,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:49:42,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:49:42,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:49:42,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:49:42,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:49:42,998 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:49:42,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:49:42,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:49:42,999 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_36d67001-fe48-4d1a-ae31-2921014a4adb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d67001-fe48-4d1a-ae31-2921014a4adb/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 544ff1a31d34f1c818140bb31fb5c7091aef904c3b9f7e17a0cc8560e99eb61a [2021-11-23 00:49:43,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:49:43,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:49:43,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:49:43,310 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:49:43,311 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:49:43,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d67001-fe48-4d1a-ae31-2921014a4adb/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/loops/heavy-1.c [2021-11-23 00:49:43,407 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d67001-fe48-4d1a-ae31-2921014a4adb/bin/ukojak-LBtLqBUTdQ/data/f5612445d/5b3921ff1c354da1981e33e4f4ae34dc/FLAG6aa9bc976 [2021-11-23 00:49:43,848 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:49:43,850 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d67001-fe48-4d1a-ae31-2921014a4adb/sv-benchmarks/c/loops/heavy-1.c [2021-11-23 00:49:43,862 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d67001-fe48-4d1a-ae31-2921014a4adb/bin/ukojak-LBtLqBUTdQ/data/f5612445d/5b3921ff1c354da1981e33e4f4ae34dc/FLAG6aa9bc976 [2021-11-23 00:49:44,215 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d67001-fe48-4d1a-ae31-2921014a4adb/bin/ukojak-LBtLqBUTdQ/data/f5612445d/5b3921ff1c354da1981e33e4f4ae34dc [2021-11-23 00:49:44,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:49:44,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:49:44,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:49:44,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:49:44,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:49:44,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:49:44" (1/1) ... [2021-11-23 00:49:44,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15cc0804 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:44, skipping insertion in model container [2021-11-23 00:49:44,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:49:44" (1/1) ... [2021-11-23 00:49:44,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:49:44,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:49:44,431 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_36d67001-fe48-4d1a-ae31-2921014a4adb/sv-benchmarks/c/loops/heavy-1.c[600,613] [2021-11-23 00:49:44,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:49:44,486 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:49:44,503 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_36d67001-fe48-4d1a-ae31-2921014a4adb/sv-benchmarks/c/loops/heavy-1.c[600,613] [2021-11-23 00:49:44,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:49:44,565 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:49:44,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:44 WrapperNode [2021-11-23 00:49:44,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:49:44,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:49:44,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:49:44,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:49:44,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:44" (1/1) ... [2021-11-23 00:49:44,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:44" (1/1) ... [2021-11-23 00:49:44,611 INFO L137 Inliner]: procedures = 12, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2021-11-23 00:49:44,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:49:44,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:49:44,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:49:44,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:49:44,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:44" (1/1) ... [2021-11-23 00:49:44,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:44" (1/1) ... [2021-11-23 00:49:44,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:44" (1/1) ... [2021-11-23 00:49:44,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:44" (1/1) ... [2021-11-23 00:49:44,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:44" (1/1) ... [2021-11-23 00:49:44,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:44" (1/1) ... [2021-11-23 00:49:44,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:44" (1/1) ... [2021-11-23 00:49:44,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:49:44,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:49:44,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:49:44,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:49:44,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:49:44" (1/1) ... [2021-11-23 00:49:44,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:49:44,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d67001-fe48-4d1a-ae31-2921014a4adb/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:49:44,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d67001-fe48-4d1a-ae31-2921014a4adb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:49:44,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36d67001-fe48-4d1a-ae31-2921014a4adb/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:49:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:49:44,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:49:44,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:49:44,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:49:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:49:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:49:44,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 00:49:44,847 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:49:44,848 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:49:44,976 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:49:45,000 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:49:45,001 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:49:45,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:45 BoogieIcfgContainer [2021-11-23 00:49:45,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:49:45,004 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:49:45,004 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:49:45,047 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:49:45,065 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:49:45" (1/1) ... [2021-11-23 00:49:45,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:49:45,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:45,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2021-11-23 00:49:45,193 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2021-11-23 00:49:45,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 00:49:45,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:45,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:45,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:45,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:45,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-11-23 00:49:45,365 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-23 00:49:45,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 00:49:45,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:45,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:45,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:45,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:45,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-11-23 00:49:45,439 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-11-23 00:49:45,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:49:45,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:45,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:45,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:45,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:45,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 00:49:45,568 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 00:49:45,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:49:45,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:45,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:45,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:45,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:45,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2021-11-23 00:49:45,746 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2021-11-23 00:49:45,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:49:45,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:45,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:45,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:45,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-11-23 00:49:45,963 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-11-23 00:49:45,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:49:45,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:45,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:46,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:46,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2021-11-23 00:49:46,229 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2021-11-23 00:49:46,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:49:46,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:46,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:46,460 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:46,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:46,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2021-11-23 00:49:46,546 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-11-23 00:49:46,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:49:46,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:46,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:46,752 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:46,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:46,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2021-11-23 00:49:46,845 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2021-11-23 00:49:46,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:49:46,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:46,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:47,058 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:47,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:47,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2021-11-23 00:49:47,164 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2021-11-23 00:49:47,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:49:47,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:47,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:47,409 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:47,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:47,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2021-11-23 00:49:47,514 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-11-23 00:49:47,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 00:49:47,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:47,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:47,736 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:47,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:47,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2021-11-23 00:49:47,833 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2021-11-23 00:49:47,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 00:49:47,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:47,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:48,070 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:48,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:48,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2021-11-23 00:49:48,174 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-11-23 00:49:48,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 00:49:48,174 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:48,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:48,452 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:48,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:48,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2021-11-23 00:49:48,560 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2021-11-23 00:49:48,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 00:49:48,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:48,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:48,859 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:48,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:48,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2021-11-23 00:49:48,977 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-11-23 00:49:48,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 00:49:48,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:48,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:49,368 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:49,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:49,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2021-11-23 00:49:49,488 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2021-11-23 00:49:49,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 00:49:49,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:49,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:49,857 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:49,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:49,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2021-11-23 00:49:49,978 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2021-11-23 00:49:49,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 00:49:49,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:49,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:50,398 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:50,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:50,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2021-11-23 00:49:50,526 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2021-11-23 00:49:50,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 00:49:50,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:50,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:51,015 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:51,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:51,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2021-11-23 00:49:51,165 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2021-11-23 00:49:51,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 00:49:51,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:51,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:51,643 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:51,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:51,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2021-11-23 00:49:51,764 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2021-11-23 00:49:51,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 00:49:51,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:51,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:51,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:52,266 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:52,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:52,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2021-11-23 00:49:52,421 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2021-11-23 00:49:52,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 00:49:52,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:52,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:52,995 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 2 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:53,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:53,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2021-11-23 00:49:53,138 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2021-11-23 00:49:53,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 00:49:53,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:53,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:53,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:53,784 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:53,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:53,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2021-11-23 00:49:53,938 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2021-11-23 00:49:53,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 00:49:53,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:53,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:54,610 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:54,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:54,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 32 states and 36 transitions. [2021-11-23 00:49:54,769 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2021-11-23 00:49:54,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 00:49:54,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:54,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:55,517 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 2 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:55,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:55,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 33 states and 37 transitions. [2021-11-23 00:49:55,675 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2021-11-23 00:49:55,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 00:49:55,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:55,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:56,454 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:56,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:56,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2021-11-23 00:49:56,623 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2021-11-23 00:49:56,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 00:49:56,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:56,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:57,459 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 2 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:57,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:57,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2021-11-23 00:49:57,622 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2021-11-23 00:49:57,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 00:49:57,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:57,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:58,456 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 2 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:58,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:58,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 36 states and 40 transitions. [2021-11-23 00:49:58,606 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2021-11-23 00:49:58,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 00:49:58,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:58,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:49:59,421 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:49:59,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:49:59,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2021-11-23 00:49:59,609 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2021-11-23 00:49:59,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 00:49:59,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:49:59,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:49:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:00,557 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 2 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:00,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:00,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 38 states and 42 transitions. [2021-11-23 00:50:00,740 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2021-11-23 00:50:00,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 00:50:00,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:00,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:00,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:01,695 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 2 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:01,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:01,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2021-11-23 00:50:01,877 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2021-11-23 00:50:01,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 00:50:01,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:01,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:02,912 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 2 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:03,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:03,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 40 states and 44 transitions. [2021-11-23 00:50:03,102 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2021-11-23 00:50:03,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 00:50:03,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:03,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:04,247 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:04,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:04,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 41 states and 45 transitions. [2021-11-23 00:50:04,450 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2021-11-23 00:50:04,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 00:50:04,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:04,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:05,625 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 2 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:05,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:05,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 42 states and 46 transitions. [2021-11-23 00:50:05,796 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2021-11-23 00:50:05,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 00:50:05,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:05,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:06,932 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 2 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:07,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 43 states and 47 transitions. [2021-11-23 00:50:07,152 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2021-11-23 00:50:07,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 00:50:07,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:07,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:08,309 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 2 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:08,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:08,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 44 states and 48 transitions. [2021-11-23 00:50:08,494 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2021-11-23 00:50:08,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 00:50:08,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:08,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:09,691 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 2 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:09,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:09,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 45 states and 49 transitions. [2021-11-23 00:50:09,895 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2021-11-23 00:50:09,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 00:50:09,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:09,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:11,373 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 2 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:11,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:11,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 46 states and 50 transitions. [2021-11-23 00:50:11,603 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2021-11-23 00:50:11,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 00:50:11,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:11,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:12,927 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 2 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:13,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:13,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 47 states and 51 transitions. [2021-11-23 00:50:13,169 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2021-11-23 00:50:13,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 00:50:13,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:13,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:14,621 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 2 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:14,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:14,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 48 states and 52 transitions. [2021-11-23 00:50:14,819 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 52 transitions. [2021-11-23 00:50:14,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 00:50:14,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:14,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:16,322 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 2 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:16,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:16,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 49 states and 53 transitions. [2021-11-23 00:50:16,551 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2021-11-23 00:50:16,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 00:50:16,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:16,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 2 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:18,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:18,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 50 states and 54 transitions. [2021-11-23 00:50:18,251 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2021-11-23 00:50:18,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 00:50:18,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:18,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:19,945 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 2 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:20,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:20,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 51 states and 55 transitions. [2021-11-23 00:50:20,201 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2021-11-23 00:50:20,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 00:50:20,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:20,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:20,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:21,964 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 2 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:22,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:22,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 52 states and 56 transitions. [2021-11-23 00:50:22,162 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 56 transitions. [2021-11-23 00:50:22,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 00:50:22,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:22,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:23,862 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 2 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:24,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:24,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 53 states and 57 transitions. [2021-11-23 00:50:24,065 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2021-11-23 00:50:24,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 00:50:24,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:24,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:26,079 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 2 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:26,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:26,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 54 states and 58 transitions. [2021-11-23 00:50:26,298 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2021-11-23 00:50:26,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 00:50:26,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:26,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:28,377 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 2 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:28,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:28,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 55 states and 59 transitions. [2021-11-23 00:50:28,623 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2021-11-23 00:50:28,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 00:50:28,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:28,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:30,802 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 2 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:31,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:31,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 56 states and 60 transitions. [2021-11-23 00:50:31,026 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2021-11-23 00:50:31,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 00:50:31,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:31,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:33,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 2 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:33,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:33,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 57 states and 61 transitions. [2021-11-23 00:50:33,343 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2021-11-23 00:50:33,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 00:50:33,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:33,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:35,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 2 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:35,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:35,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 58 states and 62 transitions. [2021-11-23 00:50:35,722 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2021-11-23 00:50:35,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 00:50:35,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:35,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:37,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 2 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:38,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:38,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 59 states and 63 transitions. [2021-11-23 00:50:38,158 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2021-11-23 00:50:38,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 00:50:38,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:38,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:38,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:40,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 2 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:41,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:41,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 60 states and 64 transitions. [2021-11-23 00:50:41,015 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2021-11-23 00:50:41,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 00:50:41,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:41,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:43,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 2 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:43,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:43,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 61 states and 65 transitions. [2021-11-23 00:50:43,757 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2021-11-23 00:50:43,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 00:50:43,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:43,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:46,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 2 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:46,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:46,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 62 states and 66 transitions. [2021-11-23 00:50:46,498 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2021-11-23 00:50:46,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 00:50:46,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:46,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:49,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 2 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:49,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:49,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 63 states and 67 transitions. [2021-11-23 00:50:49,514 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2021-11-23 00:50:49,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 00:50:49,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:49,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:52,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 2 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:52,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:52,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 64 states and 68 transitions. [2021-11-23 00:50:52,472 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2021-11-23 00:50:52,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 00:50:52,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:52,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:55,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 2 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:55,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:55,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 65 states and 69 transitions. [2021-11-23 00:50:55,531 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2021-11-23 00:50:55,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 00:50:55,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:55,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:50:58,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 2 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:50:58,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:50:58,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 66 states and 70 transitions. [2021-11-23 00:50:58,704 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2021-11-23 00:50:58,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 00:50:58,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:50:58,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:50:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:01,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 2 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:01,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:01,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 67 states and 71 transitions. [2021-11-23 00:51:01,812 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2021-11-23 00:51:01,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 00:51:01,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:01,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:04,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 2 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:05,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:05,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 68 states and 72 transitions. [2021-11-23 00:51:05,065 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2021-11-23 00:51:05,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 00:51:05,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:05,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:08,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 2 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:08,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:08,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 69 states and 73 transitions. [2021-11-23 00:51:08,444 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2021-11-23 00:51:08,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 00:51:08,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:08,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:11,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 2 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:11,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:11,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 70 states and 74 transitions. [2021-11-23 00:51:11,908 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2021-11-23 00:51:11,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 00:51:11,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:11,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:15,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 2 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:15,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:15,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 71 states and 75 transitions. [2021-11-23 00:51:15,521 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2021-11-23 00:51:15,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 00:51:15,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:15,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:19,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 2 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:19,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:19,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 72 states and 76 transitions. [2021-11-23 00:51:19,381 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2021-11-23 00:51:19,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 00:51:19,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:19,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:23,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 2 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:24,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:24,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 73 states and 77 transitions. [2021-11-23 00:51:24,048 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2021-11-23 00:51:24,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 00:51:24,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:24,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:28,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 2 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:28,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:28,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 74 states and 78 transitions. [2021-11-23 00:51:28,783 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2021-11-23 00:51:28,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 00:51:28,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:28,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:33,538 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 2 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:33,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:33,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 75 states and 79 transitions. [2021-11-23 00:51:33,837 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2021-11-23 00:51:33,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 00:51:33,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:33,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:38,251 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 2 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:38,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:38,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 76 states and 80 transitions. [2021-11-23 00:51:38,561 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2021-11-23 00:51:38,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 00:51:38,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:38,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:42,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2147 backedges. 2 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:42,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:42,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 77 states and 81 transitions. [2021-11-23 00:51:42,954 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2021-11-23 00:51:42,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 00:51:42,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:42,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:47,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2213 backedges. 2 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:47,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:47,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 78 states and 82 transitions. [2021-11-23 00:51:47,380 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2021-11-23 00:51:47,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 00:51:47,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:47,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:51,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2280 backedges. 2 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:52,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:52,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 79 states and 83 transitions. [2021-11-23 00:51:52,331 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 83 transitions. [2021-11-23 00:51:52,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 00:51:52,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:52,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:51:57,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2348 backedges. 2 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:51:57,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:51:57,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 80 states and 84 transitions. [2021-11-23 00:51:57,546 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2021-11-23 00:51:57,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 00:51:57,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:51:57,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:51:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:02,280 INFO L134 CoverageAnalysis]: Checked inductivity of 2417 backedges. 2 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:02,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:02,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 81 states and 85 transitions. [2021-11-23 00:52:02,613 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2021-11-23 00:52:02,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 00:52:02,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:02,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:07,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2487 backedges. 2 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:07,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:07,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 82 states and 86 transitions. [2021-11-23 00:52:07,683 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 86 transitions. [2021-11-23 00:52:07,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 00:52:07,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:07,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:12,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 2 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:13,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:13,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 83 states and 87 transitions. [2021-11-23 00:52:13,026 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2021-11-23 00:52:13,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 00:52:13,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:13,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:18,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2630 backedges. 2 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:18,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:18,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 84 states and 88 transitions. [2021-11-23 00:52:18,465 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2021-11-23 00:52:18,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 00:52:18,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:18,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:23,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2703 backedges. 2 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:23,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:23,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 85 states and 89 transitions. [2021-11-23 00:52:23,716 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2021-11-23 00:52:23,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 00:52:23,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:23,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:29,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2777 backedges. 2 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:29,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:29,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 86 states and 90 transitions. [2021-11-23 00:52:29,659 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 90 transitions. [2021-11-23 00:52:29,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 00:52:29,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:29,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:34,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 2 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:35,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:35,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 87 states and 91 transitions. [2021-11-23 00:52:35,281 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 91 transitions. [2021-11-23 00:52:35,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 00:52:35,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:35,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:41,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2928 backedges. 2 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:41,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:41,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 88 states and 92 transitions. [2021-11-23 00:52:41,741 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions. [2021-11-23 00:52:41,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-23 00:52:41,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:41,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:47,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3005 backedges. 2 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:47,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:47,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 89 states and 93 transitions. [2021-11-23 00:52:47,577 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 93 transitions. [2021-11-23 00:52:47,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 00:52:47,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:47,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:52:54,045 INFO L134 CoverageAnalysis]: Checked inductivity of 3083 backedges. 2 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:52:54,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:52:54,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 90 states and 94 transitions. [2021-11-23 00:52:54,479 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 94 transitions. [2021-11-23 00:52:54,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 00:52:54,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:52:54,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:52:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:00,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3162 backedges. 2 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:01,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:01,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 91 states and 95 transitions. [2021-11-23 00:53:01,031 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 95 transitions. [2021-11-23 00:53:01,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 00:53:01,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:01,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:06,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3242 backedges. 2 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:07,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:07,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 92 states and 96 transitions. [2021-11-23 00:53:07,207 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 96 transitions. [2021-11-23 00:53:07,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 00:53:07,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:07,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:14,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3323 backedges. 2 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:14,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:14,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 93 states and 97 transitions. [2021-11-23 00:53:14,921 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 97 transitions. [2021-11-23 00:53:14,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 00:53:14,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:14,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:21,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 2 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:22,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:22,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 94 states and 98 transitions. [2021-11-23 00:53:22,086 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 98 transitions. [2021-11-23 00:53:22,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 00:53:22,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:22,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:28,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3488 backedges. 2 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:28,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:28,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 95 states and 99 transitions. [2021-11-23 00:53:28,975 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 99 transitions. [2021-11-23 00:53:28,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 00:53:28,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:28,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:35,342 INFO L134 CoverageAnalysis]: Checked inductivity of 3572 backedges. 2 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:35,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:35,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 96 states and 100 transitions. [2021-11-23 00:53:35,833 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 100 transitions. [2021-11-23 00:53:35,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 00:53:35,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:35,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:43,777 INFO L134 CoverageAnalysis]: Checked inductivity of 3657 backedges. 2 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:44,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:44,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 97 states and 101 transitions. [2021-11-23 00:53:44,211 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 101 transitions. [2021-11-23 00:53:44,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 00:53:44,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:44,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:51,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3743 backedges. 2 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:52,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:52,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 98 states and 102 transitions. [2021-11-23 00:53:52,507 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 102 transitions. [2021-11-23 00:53:52,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 00:53:52,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:52,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:53:59,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3830 backedges. 2 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:53:59,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:53:59,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 99 states and 103 transitions. [2021-11-23 00:53:59,834 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 103 transitions. [2021-11-23 00:53:59,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 00:53:59,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:53:59,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:53:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:08,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3918 backedges. 2 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:09,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:09,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 100 states and 104 transitions. [2021-11-23 00:54:09,055 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 104 transitions. [2021-11-23 00:54:09,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 00:54:09,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:09,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:16,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4007 backedges. 2 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:17,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:17,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 101 states and 105 transitions. [2021-11-23 00:54:17,377 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 105 transitions. [2021-11-23 00:54:17,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 00:54:17,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:17,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:25,891 INFO L134 CoverageAnalysis]: Checked inductivity of 4097 backedges. 2 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:26,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:26,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 102 states and 106 transitions. [2021-11-23 00:54:26,421 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 106 transitions. [2021-11-23 00:54:26,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 00:54:26,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:26,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:35,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4188 backedges. 2 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:36,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:36,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 103 states and 107 transitions. [2021-11-23 00:54:36,273 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 107 transitions. [2021-11-23 00:54:36,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 00:54:36,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:36,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:44,254 INFO L134 CoverageAnalysis]: Checked inductivity of 4280 backedges. 2 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:44,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:44,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 104 states and 108 transitions. [2021-11-23 00:54:44,676 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 108 transitions. [2021-11-23 00:54:44,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 00:54:44,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:44,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:54:53,194 INFO L134 CoverageAnalysis]: Checked inductivity of 4373 backedges. 2 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:54:53,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:54:53,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 105 states and 109 transitions. [2021-11-23 00:54:53,765 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 109 transitions. [2021-11-23 00:54:53,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 00:54:53,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:54:53,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:54:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:03,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4467 backedges. 2 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:03,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:03,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 106 states and 110 transitions. [2021-11-23 00:55:03,931 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 110 transitions. [2021-11-23 00:55:03,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 00:55:03,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:03,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:13,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4562 backedges. 2 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:14,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:14,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 107 states and 111 transitions. [2021-11-23 00:55:14,096 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 111 transitions. [2021-11-23 00:55:14,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-23 00:55:14,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:14,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:23,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4658 backedges. 2 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:24,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:24,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 108 states and 112 transitions. [2021-11-23 00:55:24,067 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 112 transitions. [2021-11-23 00:55:24,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 00:55:24,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:24,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:34,142 INFO L134 CoverageAnalysis]: Checked inductivity of 4755 backedges. 2 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:34,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:34,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 109 states and 113 transitions. [2021-11-23 00:55:34,731 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 113 transitions. [2021-11-23 00:55:34,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-23 00:55:34,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:34,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:45,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4853 backedges. 2 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:45,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:45,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 110 states and 114 transitions. [2021-11-23 00:55:45,847 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 114 transitions. [2021-11-23 00:55:45,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-23 00:55:45,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:45,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:55:56,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4952 backedges. 2 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:55:56,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:55:56,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 111 states and 115 transitions. [2021-11-23 00:55:56,810 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 115 transitions. [2021-11-23 00:55:56,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 00:55:56,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:55:56,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:55:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:07,109 INFO L134 CoverageAnalysis]: Checked inductivity of 5052 backedges. 2 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:07,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:07,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 112 states and 116 transitions. [2021-11-23 00:56:07,696 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2021-11-23 00:56:07,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-23 00:56:07,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:07,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:19,063 INFO L134 CoverageAnalysis]: Checked inductivity of 5153 backedges. 2 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:19,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:19,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 113 states and 117 transitions. [2021-11-23 00:56:19,692 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 117 transitions. [2021-11-23 00:56:19,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 00:56:19,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:19,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:31,373 INFO L134 CoverageAnalysis]: Checked inductivity of 5255 backedges. 2 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:31,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:31,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 114 states and 118 transitions. [2021-11-23 00:56:31,884 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 118 transitions. [2021-11-23 00:56:31,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-23 00:56:31,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:31,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:43,939 INFO L134 CoverageAnalysis]: Checked inductivity of 5358 backedges. 2 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:44,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:44,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 115 states and 119 transitions. [2021-11-23 00:56:44,573 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 119 transitions. [2021-11-23 00:56:44,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-23 00:56:44,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:44,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:56:55,795 INFO L134 CoverageAnalysis]: Checked inductivity of 5462 backedges. 2 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:56:56,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:56:56,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 116 states and 120 transitions. [2021-11-23 00:56:56,294 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 120 transitions. [2021-11-23 00:56:56,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-11-23 00:56:56,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:56:56,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:56:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:08,411 INFO L134 CoverageAnalysis]: Checked inductivity of 5567 backedges. 2 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:09,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:09,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 117 states and 121 transitions. [2021-11-23 00:57:09,032 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 121 transitions. [2021-11-23 00:57:09,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-23 00:57:09,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:09,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:21,016 INFO L134 CoverageAnalysis]: Checked inductivity of 5673 backedges. 2 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:21,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:21,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 118 states and 122 transitions. [2021-11-23 00:57:21,517 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 122 transitions. [2021-11-23 00:57:21,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 00:57:21,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:21,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:32,985 INFO L134 CoverageAnalysis]: Checked inductivity of 5780 backedges. 2 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:33,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:33,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 119 states and 123 transitions. [2021-11-23 00:57:33,624 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 123 transitions. [2021-11-23 00:57:33,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-23 00:57:33,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:33,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:57:46,883 INFO L134 CoverageAnalysis]: Checked inductivity of 5888 backedges. 2 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:57:47,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:57:47,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 120 states and 124 transitions. [2021-11-23 00:57:47,526 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 124 transitions. [2021-11-23 00:57:47,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 00:57:47,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:57:47,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:57:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:00,871 INFO L134 CoverageAnalysis]: Checked inductivity of 5997 backedges. 2 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:01,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:01,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 121 states and 125 transitions. [2021-11-23 00:58:01,516 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 125 transitions. [2021-11-23 00:58:01,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 00:58:01,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:01,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:14,588 INFO L134 CoverageAnalysis]: Checked inductivity of 6107 backedges. 2 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:15,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:15,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 122 states and 126 transitions. [2021-11-23 00:58:15,137 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 126 transitions. [2021-11-23 00:58:15,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-23 00:58:15,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:15,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:26,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6218 backedges. 2 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:26,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:26,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 123 states and 127 transitions. [2021-11-23 00:58:26,995 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 127 transitions. [2021-11-23 00:58:26,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 00:58:26,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:26,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:37,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6330 backedges. 2 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:38,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:38,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 124 states and 128 transitions. [2021-11-23 00:58:38,323 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 128 transitions. [2021-11-23 00:58:38,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 00:58:38,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:38,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:38,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:58:49,660 INFO L134 CoverageAnalysis]: Checked inductivity of 6443 backedges. 2 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:58:50,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:58:50,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 125 states and 129 transitions. [2021-11-23 00:58:50,242 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 129 transitions. [2021-11-23 00:58:50,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-23 00:58:50,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:58:50,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:58:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:01,679 INFO L134 CoverageAnalysis]: Checked inductivity of 6557 backedges. 2 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:02,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:02,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 126 states and 130 transitions. [2021-11-23 00:59:02,203 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 130 transitions. [2021-11-23 00:59:02,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-23 00:59:02,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:02,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 6672 backedges. 2 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:14,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:14,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 127 states and 131 transitions. [2021-11-23 00:59:14,424 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 131 transitions. [2021-11-23 00:59:14,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-23 00:59:14,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:14,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:26,517 INFO L134 CoverageAnalysis]: Checked inductivity of 6788 backedges. 2 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:27,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:27,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 128 states and 132 transitions. [2021-11-23 00:59:27,058 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 132 transitions. [2021-11-23 00:59:27,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-23 00:59:27,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:27,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:39,390 INFO L134 CoverageAnalysis]: Checked inductivity of 6905 backedges. 2 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:39,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:39,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 129 states and 133 transitions. [2021-11-23 00:59:39,980 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 133 transitions. [2021-11-23 00:59:39,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-23 00:59:39,981 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:39,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:59:52,428 INFO L134 CoverageAnalysis]: Checked inductivity of 7023 backedges. 2 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:59:52,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:59:52,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 130 states and 134 transitions. [2021-11-23 00:59:52,974 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 134 transitions. [2021-11-23 00:59:52,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-23 00:59:52,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:59:52,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:59:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:05,470 INFO L134 CoverageAnalysis]: Checked inductivity of 7142 backedges. 2 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:06,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:06,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 131 states and 135 transitions. [2021-11-23 01:00:06,028 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 135 transitions. [2021-11-23 01:00:06,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 01:00:06,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:06,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:18,650 INFO L134 CoverageAnalysis]: Checked inductivity of 7262 backedges. 2 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:19,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:19,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 132 states and 136 transitions. [2021-11-23 01:00:19,219 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 136 transitions. [2021-11-23 01:00:19,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-23 01:00:19,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:19,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:00:32,129 INFO L134 CoverageAnalysis]: Checked inductivity of 7383 backedges. 2 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:00:32,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:00:32,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 133 states and 137 transitions. [2021-11-23 01:00:32,684 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 137 transitions. [2021-11-23 01:00:32,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-23 01:00:32,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:00:32,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:00:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat