./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-crafted/zero_sum_const_m2.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_91b96512-0575-4d98-bd19-a98262f9a21c/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b96512-0575-4d98-bd19-a98262f9a21c/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_91b96512-0575-4d98-bd19-a98262f9a21c/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b96512-0575-4d98-bd19-a98262f9a21c/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-crafted/zero_sum_const_m2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b96512-0575-4d98-bd19-a98262f9a21c/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_91b96512-0575-4d98-bd19-a98262f9a21c/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 06c952a07d861e134050c8036ebe12899287d1c68b93fe51209b5cc562011a68 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:30:26,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:30:26,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:30:26,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:30:26,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:30:26,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:30:26,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:30:26,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:30:26,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:30:26,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:30:26,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:30:26,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:30:26,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:30:26,619 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:30:26,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:30:26,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:30:26,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:30:26,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:30:26,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:30:26,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:30:26,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:30:26,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:30:26,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:30:26,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:30:26,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:30:26,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:30:26,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:30:26,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:30:26,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:30:26,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:30:26,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:30:26,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:30:26,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:30:26,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:30:26,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:30:26,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:30:26,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:30:26,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:30:26,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:30:26,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:30:26,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:30:26,676 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b96512-0575-4d98-bd19-a98262f9a21c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:30:26,719 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:30:26,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:30:26,721 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:30:26,721 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:30:26,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:30:26,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:30:26,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:30:26,723 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:30:26,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:30:26,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:30:26,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:30:26,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:30:26,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:30:26,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:30:26,725 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:30:26,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:30:26,726 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:30:26,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:30:26,726 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:30:26,727 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:30:26,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:30:26,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:30:26,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:30:26,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:30:26,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:30:26,728 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:30:26,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:30:26,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:30:26,729 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_91b96512-0575-4d98-bd19-a98262f9a21c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b96512-0575-4d98-bd19-a98262f9a21c/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06c952a07d861e134050c8036ebe12899287d1c68b93fe51209b5cc562011a68 [2021-11-23 01:30:26,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:30:27,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:30:27,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:30:27,006 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:30:27,007 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:30:27,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b96512-0575-4d98-bd19-a98262f9a21c/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-crafted/zero_sum_const_m2.c [2021-11-23 01:30:27,104 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b96512-0575-4d98-bd19-a98262f9a21c/bin/ukojak-LBtLqBUTdQ/data/7666289d6/1027fe33cd7b4ba885c73eaa2a9d1d04/FLAG2235dbb3f [2021-11-23 01:30:27,577 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:30:27,577 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b96512-0575-4d98-bd19-a98262f9a21c/sv-benchmarks/c/array-crafted/zero_sum_const_m2.c [2021-11-23 01:30:27,583 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b96512-0575-4d98-bd19-a98262f9a21c/bin/ukojak-LBtLqBUTdQ/data/7666289d6/1027fe33cd7b4ba885c73eaa2a9d1d04/FLAG2235dbb3f [2021-11-23 01:30:28,044 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b96512-0575-4d98-bd19-a98262f9a21c/bin/ukojak-LBtLqBUTdQ/data/7666289d6/1027fe33cd7b4ba885c73eaa2a9d1d04 [2021-11-23 01:30:28,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:30:28,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:30:28,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:30:28,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:30:28,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:30:28,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:30:28" (1/1) ... [2021-11-23 01:30:28,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31706fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:28, skipping insertion in model container [2021-11-23 01:30:28,055 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:30:28" (1/1) ... [2021-11-23 01:30:28,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:30:28,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:30:28,248 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_91b96512-0575-4d98-bd19-a98262f9a21c/sv-benchmarks/c/array-crafted/zero_sum_const_m2.c[408,421] [2021-11-23 01:30:28,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:30:28,277 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:30:28,290 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_91b96512-0575-4d98-bd19-a98262f9a21c/sv-benchmarks/c/array-crafted/zero_sum_const_m2.c[408,421] [2021-11-23 01:30:28,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:30:28,312 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:30:28,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:28 WrapperNode [2021-11-23 01:30:28,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:30:28,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:30:28,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:30:28,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:30:28,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:28" (1/1) ... [2021-11-23 01:30:28,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:28" (1/1) ... [2021-11-23 01:30:28,348 INFO L137 Inliner]: procedures = 16, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2021-11-23 01:30:28,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:30:28,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:30:28,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:30:28,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:30:28,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:28" (1/1) ... [2021-11-23 01:30:28,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:28" (1/1) ... [2021-11-23 01:30:28,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:28" (1/1) ... [2021-11-23 01:30:28,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:28" (1/1) ... [2021-11-23 01:30:28,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:28" (1/1) ... [2021-11-23 01:30:28,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:28" (1/1) ... [2021-11-23 01:30:28,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:28" (1/1) ... [2021-11-23 01:30:28,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:30:28,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:30:28,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:30:28,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:30:28,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:30:28" (1/1) ... [2021-11-23 01:30:28,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:30:28,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b96512-0575-4d98-bd19-a98262f9a21c/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:30:28,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b96512-0575-4d98-bd19-a98262f9a21c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:30:28,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_91b96512-0575-4d98-bd19-a98262f9a21c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:30:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:30:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:30:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:30:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:30:28,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:30:28,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:30:28,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:30:28,545 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:30:28,546 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:30:28,681 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:30:28,715 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:30:28,715 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-23 01:30:28,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:30:28 BoogieIcfgContainer [2021-11-23 01:30:28,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:30:28,719 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:30:28,719 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:30:28,729 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:30:28,729 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:30:28" (1/1) ... [2021-11-23 01:30:28,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:30:28,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:28,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2021-11-23 01:30:28,799 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2021-11-23 01:30:28,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:30:28,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:28,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:29,068 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 01:30:29,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:29,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-23 01:30:29,160 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-23 01:30:29,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:30:29,160 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:29,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:29,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:30:29,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:29,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-11-23 01:30:29,298 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-11-23 01:30:29,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:30:29,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:29,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:29,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:30:29,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:29,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-23 01:30:29,387 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-23 01:30:29,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:30:29,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:29,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:29,444 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:30:29,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:29,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2021-11-23 01:30:29,502 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2021-11-23 01:30:29,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:30:29,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:29,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:29,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:30:29,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:29,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2021-11-23 01:30:29,628 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2021-11-23 01:30:29,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:30:29,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:29,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:29,699 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:30:29,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:29,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2021-11-23 01:30:29,782 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2021-11-23 01:30:29,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:30:29,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:29,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:29,864 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:30:29,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:29,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2021-11-23 01:30:29,891 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2021-11-23 01:30:29,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:30:29,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:29,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:29,982 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:30:30,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:30,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2021-11-23 01:30:30,010 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2021-11-23 01:30:30,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:30:30,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:30,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:30,090 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:30:30,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:30,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2021-11-23 01:30:30,125 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2021-11-23 01:30:30,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:30:30,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:30,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:30,198 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:30:30,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:30,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2021-11-23 01:30:30,248 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2021-11-23 01:30:30,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:30:30,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:30,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:30,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:31,064 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:34,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:34,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 75 transitions. [2021-11-23 01:30:34,033 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2021-11-23 01:30:34,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:30:34,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:34,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:34,375 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:30:35,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:35,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2021-11-23 01:30:35,597 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2021-11-23 01:30:35,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:30:35,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:35,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:35,946 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:30:38,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:38,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 98 transitions. [2021-11-23 01:30:38,482 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 98 transitions. [2021-11-23 01:30:38,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:30:38,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:38,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:38,659 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:30:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:38,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 50 states and 98 transitions. [2021-11-23 01:30:38,976 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 98 transitions. [2021-11-23 01:30:38,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:30:38,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:38,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:39,190 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:30:39,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:39,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 104 transitions. [2021-11-23 01:30:39,984 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 104 transitions. [2021-11-23 01:30:39,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:39,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:39,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:40,018 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:30:41,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:41,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 59 states and 111 transitions. [2021-11-23 01:30:41,799 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 111 transitions. [2021-11-23 01:30:41,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:41,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:41,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:42,034 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:30:42,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:42,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 55 states and 101 transitions. [2021-11-23 01:30:42,496 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 101 transitions. [2021-11-23 01:30:42,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:30:42,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:42,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:42,536 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:30:43,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:43,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 56 states and 101 transitions. [2021-11-23 01:30:43,150 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2021-11-23 01:30:43,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:30:43,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:43,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:43,185 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:30:44,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:44,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 60 states and 108 transitions. [2021-11-23 01:30:44,486 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 108 transitions. [2021-11-23 01:30:44,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:30:44,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:44,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:44,527 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:30:44,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:44,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 61 states and 109 transitions. [2021-11-23 01:30:44,926 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 109 transitions. [2021-11-23 01:30:44,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:30:44,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:44,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:44,958 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:30:46,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:46,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 62 states and 109 transitions. [2021-11-23 01:30:46,518 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 109 transitions. [2021-11-23 01:30:46,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:30:46,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:46,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:46,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:49,681 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:30:58,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:58,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 72 states and 134 transitions. [2021-11-23 01:30:58,415 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 134 transitions. [2021-11-23 01:30:58,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:30:58,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:58,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:58,917 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:05,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:05,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 81 states and 166 transitions. [2021-11-23 01:31:05,137 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 166 transitions. [2021-11-23 01:31:05,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:31:05,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:05,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:05,633 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:31:06,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:06,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 82 states and 166 transitions. [2021-11-23 01:31:06,303 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 166 transitions. [2021-11-23 01:31:06,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:31:06,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:06,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:06,998 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:31:10,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:10,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 87 states and 176 transitions. [2021-11-23 01:31:10,117 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 176 transitions. [2021-11-23 01:31:10,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:31:10,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:10,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:10,256 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:31:11,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:11,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 90 states and 180 transitions. [2021-11-23 01:31:11,999 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 180 transitions. [2021-11-23 01:31:11,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:31:11,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:11,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:12,153 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:31:16,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:16,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 98 states and 191 transitions. [2021-11-23 01:31:16,358 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 191 transitions. [2021-11-23 01:31:16,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:31:16,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:16,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:16,505 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-23 01:31:17,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:17,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 99 states and 191 transitions. [2021-11-23 01:31:17,108 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 191 transitions. [2021-11-23 01:31:17,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:31:17,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:17,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:17,824 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:31:18,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:18,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 100 states and 193 transitions. [2021-11-23 01:31:18,692 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 193 transitions. [2021-11-23 01:31:18,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:31:18,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:18,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:19,121 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-23 01:31:20,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:20,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 101 states and 193 transitions. [2021-11-23 01:31:20,167 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 193 transitions. [2021-11-23 01:31:20,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:31:20,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:20,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:20,622 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:31:22,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:22,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 92 states and 166 transitions. [2021-11-23 01:31:22,013 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 166 transitions. [2021-11-23 01:31:22,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:31:22,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:22,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:22,448 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:31:27,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:27,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 98 states and 183 transitions. [2021-11-23 01:31:27,027 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 183 transitions. [2021-11-23 01:31:27,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:31:27,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:27,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:27,500 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:31:30,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:30,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 99 states and 179 transitions. [2021-11-23 01:31:30,695 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 179 transitions. [2021-11-23 01:31:30,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:31:30,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:30,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:31,153 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:31:32,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:32,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 100 states and 182 transitions. [2021-11-23 01:31:32,138 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 182 transitions. [2021-11-23 01:31:32,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:31:32,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:32,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:32,555 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-23 01:31:33,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:33,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 101 states and 182 transitions. [2021-11-23 01:31:33,216 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 182 transitions. [2021-11-23 01:31:33,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:31:33,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:33,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:33,764 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:31:36,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:36,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 101 states and 174 transitions. [2021-11-23 01:31:36,794 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 174 transitions. [2021-11-23 01:31:36,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:31:36,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:36,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:37,191 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:31:38,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 102 states and 176 transitions. [2021-11-23 01:31:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 176 transitions. [2021-11-23 01:31:38,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:31:38,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:38,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:38,426 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:31:40,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:40,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 105 states and 183 transitions. [2021-11-23 01:31:40,747 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 183 transitions. [2021-11-23 01:31:40,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:31:40,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:40,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:41,249 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:31:41,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:41,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 106 states and 183 transitions. [2021-11-23 01:31:41,930 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 183 transitions. [2021-11-23 01:31:41,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:31:41,930 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:41,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:49,704 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:13,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:13,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 123 states and 229 transitions. [2021-11-23 01:32:13,706 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 229 transitions. [2021-11-23 01:32:13,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:32:13,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:13,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:14,337 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:29,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:29,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 137 states and 272 transitions. [2021-11-23 01:32:29,969 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 272 transitions. [2021-11-23 01:32:29,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:32:29,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:29,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:30,561 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:37,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:37,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 143 states and 283 transitions. [2021-11-23 01:32:37,211 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 283 transitions. [2021-11-23 01:32:37,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:32:37,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:37,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:37,803 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:38,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:38,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 144 states and 285 transitions. [2021-11-23 01:32:38,875 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 285 transitions. [2021-11-23 01:32:38,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:32:38,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:38,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:39,456 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:32:41,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:41,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 146 states and 287 transitions. [2021-11-23 01:32:41,607 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 287 transitions. [2021-11-23 01:32:41,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:32:41,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:41,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:42,118 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-11-23 01:32:42,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:42,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 133 states and 267 transitions. [2021-11-23 01:32:42,537 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 267 transitions. [2021-11-23 01:32:42,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:32:42,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:42,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:43,647 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:32:48,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:48,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 137 states and 274 transitions. [2021-11-23 01:32:48,388 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 274 transitions. [2021-11-23 01:32:48,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:32:48,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:48,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:48,906 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:32:56,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:56,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 144 states and 288 transitions. [2021-11-23 01:32:56,737 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 288 transitions. [2021-11-23 01:32:56,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:32:56,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:56,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:56,886 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:33:00,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:00,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 147 states and 291 transitions. [2021-11-23 01:33:00,208 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 291 transitions. [2021-11-23 01:33:00,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:33:00,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:00,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:00,360 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:33:08,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:08,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 154 states and 303 transitions. [2021-11-23 01:33:08,951 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 303 transitions. [2021-11-23 01:33:08,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:33:08,952 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:08,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:09,100 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:33:12,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:12,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 157 states and 307 transitions. [2021-11-23 01:33:12,583 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 307 transitions. [2021-11-23 01:33:12,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:33:12,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:12,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:12,745 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:33:15,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:15,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 160 states and 311 transitions. [2021-11-23 01:33:15,318 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 311 transitions. [2021-11-23 01:33:15,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:33:15,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:15,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:15,472 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:33:19,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:19,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 163 states and 315 transitions. [2021-11-23 01:33:19,126 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 315 transitions. [2021-11-23 01:33:19,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:33:19,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:19,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:20,694 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-23 01:33:26,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:26,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 166 states and 323 transitions. [2021-11-23 01:33:26,959 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 323 transitions. [2021-11-23 01:33:26,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:33:26,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:26,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:27,092 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:33:28,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:28,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 167 states and 323 transitions. [2021-11-23 01:33:28,316 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 323 transitions. [2021-11-23 01:33:28,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:33:28,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:28,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:29,450 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-23 01:33:31,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:31,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 168 states and 322 transitions. [2021-11-23 01:33:31,672 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 322 transitions. [2021-11-23 01:33:31,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:33:31,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:31,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:32,875 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-23 01:33:36,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:36,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 159 states and 293 transitions. [2021-11-23 01:33:36,198 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 293 transitions. [2021-11-23 01:33:36,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:33:36,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:36,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:37,284 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:33:45,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:45,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 165 states and 306 transitions. [2021-11-23 01:33:45,177 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 306 transitions. [2021-11-23 01:33:45,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:33:45,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:45,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:46,551 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:33:52,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:52,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 169 states and 319 transitions. [2021-11-23 01:33:52,804 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 319 transitions. [2021-11-23 01:33:52,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:33:52,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:52,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:54,091 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:34:00,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:00,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 164 states and 301 transitions. [2021-11-23 01:34:00,577 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 301 transitions. [2021-11-23 01:34:00,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:34:00,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:00,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:01,680 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:34:02,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:02,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 163 states and 299 transitions. [2021-11-23 01:34:02,858 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 299 transitions. [2021-11-23 01:34:02,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:34:02,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:02,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:04,176 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:34:05,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:05,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 162 states and 297 transitions. [2021-11-23 01:34:05,263 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 297 transitions. [2021-11-23 01:34:05,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:34:05,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:05,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:06,350 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:34:14,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:14,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 168 states and 311 transitions. [2021-11-23 01:34:14,602 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 311 transitions. [2021-11-23 01:34:14,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:34:14,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:14,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:15,849 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:34:22,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:22,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 172 states and 323 transitions. [2021-11-23 01:34:22,068 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 323 transitions. [2021-11-23 01:34:22,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:34:22,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:22,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:23,276 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:34:27,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:27,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 176 states and 333 transitions. [2021-11-23 01:34:27,754 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 333 transitions. [2021-11-23 01:34:27,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:34:27,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:27,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:28,859 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:34:30,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 177 states and 333 transitions. [2021-11-23 01:34:30,176 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 333 transitions. [2021-11-23 01:34:30,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:34:30,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:30,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:31,253 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:34:32,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:32,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 178 states and 333 transitions. [2021-11-23 01:34:32,648 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 333 transitions. [2021-11-23 01:34:32,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:34:32,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:32,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:33,804 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:34:37,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:37,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 164 states and 300 transitions. [2021-11-23 01:34:37,031 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 300 transitions. [2021-11-23 01:34:37,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:34:37,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:37,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:35,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:35,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 176 states and 337 transitions. [2021-11-23 01:35:35,473 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 337 transitions. [2021-11-23 01:35:35,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:35:35,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:35,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:36,259 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:35:57,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:57,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 187 states and 361 transitions. [2021-11-23 01:35:57,784 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 361 transitions. [2021-11-23 01:35:57,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:35:57,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:57,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:58,794 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:21,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:21,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 199 states and 384 transitions. [2021-11-23 01:36:21,664 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 384 transitions. [2021-11-23 01:36:21,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:36:21,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:21,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:22,408 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:32,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:32,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 204 states and 393 transitions. [2021-11-23 01:36:32,549 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 393 transitions. [2021-11-23 01:36:32,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:36:32,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:32,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:33,470 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:42,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:42,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 208 states and 403 transitions. [2021-11-23 01:36:42,268 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 403 transitions. [2021-11-23 01:36:42,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:36:42,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:42,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:43,130 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:50,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:50,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 211 states and 410 transitions. [2021-11-23 01:36:50,261 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 410 transitions. [2021-11-23 01:36:50,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:36:50,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:50,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:53,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:53,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 212 states and 410 transitions. [2021-11-23 01:36:53,063 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 410 transitions. [2021-11-23 01:36:53,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:36:53,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:53,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:55,646 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:37:31,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:31,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 230 states and 442 transitions. [2021-11-23 01:37:31,818 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 442 transitions. [2021-11-23 01:37:31,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:37:31,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:31,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:31,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:31,970 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:37:37,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:37,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 234 states and 446 transitions. [2021-11-23 01:37:37,552 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 446 transitions. [2021-11-23 01:37:37,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:37:37,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:37,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:37,691 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:37:45,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:45,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 238 states and 451 transitions. [2021-11-23 01:37:45,714 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 451 transitions. [2021-11-23 01:37:45,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:37:45,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:45,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:38:02,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:02,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 246 states and 461 transitions. [2021-11-23 01:38:02,813 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 461 transitions. [2021-11-23 01:38:02,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:38:02,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:02,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:02,975 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:38:12,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:12,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 250 states and 467 transitions. [2021-11-23 01:38:12,031 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 467 transitions. [2021-11-23 01:38:12,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:38:12,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:12,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:15,123 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-23 01:38:17,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:17,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 251 states and 468 transitions. [2021-11-23 01:38:17,637 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 468 transitions. [2021-11-23 01:38:17,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:38:17,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:17,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:17,763 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-23 01:38:19,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:19,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 252 states and 468 transitions. [2021-11-23 01:38:19,648 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 468 transitions. [2021-11-23 01:38:19,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:38:19,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:19,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:22,469 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-23 01:38:26,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:26,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 253 states and 469 transitions. [2021-11-23 01:38:26,128 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 469 transitions. [2021-11-23 01:38:26,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:38:26,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:26,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:26,291 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 22 proven. 21 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 01:38:28,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:28,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 254 states and 469 transitions. [2021-11-23 01:38:28,352 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 469 transitions. [2021-11-23 01:38:28,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:38:28,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:28,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 01:38:50,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:50,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 244 states and 440 transitions. [2021-11-23 01:38:50,374 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 440 transitions. [2021-11-23 01:38:50,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:38:50,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:50,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:52,873 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 01:39:06,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:06,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 249 states and 450 transitions. [2021-11-23 01:39:06,584 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 450 transitions. [2021-11-23 01:39:06,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:39:06,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:06,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:09,194 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 01:39:19,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:19,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 253 states and 458 transitions. [2021-11-23 01:39:19,578 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 458 transitions. [2021-11-23 01:39:19,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:39:19,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:19,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:22,389 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 01:39:31,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:31,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 257 states and 463 transitions. [2021-11-23 01:39:31,043 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 463 transitions. [2021-11-23 01:39:31,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:39:31,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:31,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:33,590 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 01:39:40,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:40,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 260 states and 467 transitions. [2021-11-23 01:39:40,082 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 467 transitions. [2021-11-23 01:39:40,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:39:40,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:40,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:42,882 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 01:39:51,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:51,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 263 states and 480 transitions. [2021-11-23 01:39:51,936 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 480 transitions. [2021-11-23 01:39:51,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:39:51,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:51,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:54,568 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-23 01:39:56,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:56,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 250 states and 455 transitions. [2021-11-23 01:39:56,829 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 455 transitions. [2021-11-23 01:39:56,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:39:56,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:56,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:59,659 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-23 01:40:17,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:17,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 257 states and 476 transitions. [2021-11-23 01:40:17,337 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 476 transitions. [2021-11-23 01:40:17,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:40:17,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:17,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:19,841 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-23 01:40:27,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:27,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 260 states and 482 transitions. [2021-11-23 01:40:27,448 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 482 transitions. [2021-11-23 01:40:27,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:40:27,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:27,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:30,028 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-23 01:40:38,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:38,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 264 states and 488 transitions. [2021-11-23 01:40:38,858 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 488 transitions. [2021-11-23 01:40:38,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:40:38,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:38,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:41,546 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-23 01:40:53,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:53,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 269 states and 497 transitions. [2021-11-23 01:40:53,497 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 497 transitions. [2021-11-23 01:40:53,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:40:53,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:53,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:56,183 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-23 01:41:03,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:03,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 272 states and 502 transitions. [2021-11-23 01:41:03,322 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 502 transitions. [2021-11-23 01:41:03,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:41:03,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:03,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:05,765 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-23 01:41:14,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:14,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 275 states and 513 transitions. [2021-11-23 01:41:14,942 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 513 transitions. [2021-11-23 01:41:14,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:41:14,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:14,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:17,403 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-23 01:41:19,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:19,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 276 states and 513 transitions. [2021-11-23 01:41:19,852 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 513 transitions. [2021-11-23 01:41:19,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:41:19,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:19,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:19,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-23 01:41:30,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:30,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 279 states and 520 transitions. [2021-11-23 01:41:30,589 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 520 transitions. [2021-11-23 01:41:30,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:41:30,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:30,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:33,252 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-23 01:41:36,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:36,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 280 states and 520 transitions. [2021-11-23 01:41:36,089 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 520 transitions. [2021-11-23 01:41:36,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:41:36,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:36,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:38,555 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2021-11-23 01:41:44,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:44,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 252 states and 459 transitions. [2021-11-23 01:41:44,303 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 459 transitions. [2021-11-23 01:41:44,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:41:44,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:44,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:42:26,417 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.