./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i --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_075636bf-7c88-43a9-b54e-5fb2e6c263dc/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075636bf-7c88-43a9-b54e-5fb2e6c263dc/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_075636bf-7c88-43a9-b54e-5fb2e6c263dc/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075636bf-7c88-43a9-b54e-5fb2e6c263dc/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075636bf-7c88-43a9-b54e-5fb2e6c263dc/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_075636bf-7c88-43a9-b54e-5fb2e6c263dc/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 fabf091179f48b7141dc193b5040f4974c042bd8a2afb03b99137d693bf63ce7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:24:32,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:24:32,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:24:32,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:24:32,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:24:32,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:24:32,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:24:32,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:24:32,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:24:32,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:24:32,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:24:32,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:24:32,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:24:32,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:24:32,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:24:32,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:24:32,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:24:32,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:24:32,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:24:32,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:24:32,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:24:32,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:24:32,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:24:32,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:24:32,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:24:32,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:24:32,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:24:32,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:24:32,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:24:32,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:24:32,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:24:32,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:24:32,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:24:32,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:24:32,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:24:32,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:24:32,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:24:32,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:24:32,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:24:32,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:24:32,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:24:32,644 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075636bf-7c88-43a9-b54e-5fb2e6c263dc/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:24:32,689 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:24:32,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:24:32,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:24:32,691 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:24:32,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:24:32,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:24:32,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:24:32,693 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:24:32,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:24:32,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:24:32,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:24:32,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:24:32,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:24:32,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:24:32,695 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:24:32,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:24:32,695 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:24:32,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:24:32,696 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:24:32,696 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:24:32,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:24:32,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:24:32,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:24:32,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:24:32,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:24:32,697 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:24:32,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:24:32,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:24:32,697 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_075636bf-7c88-43a9-b54e-5fb2e6c263dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075636bf-7c88-43a9-b54e-5fb2e6c263dc/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fabf091179f48b7141dc193b5040f4974c042bd8a2afb03b99137d693bf63ce7 [2021-11-23 01:24:33,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:24:33,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:24:33,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:24:33,077 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:24:33,078 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:24:33,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075636bf-7c88-43a9-b54e-5fb2e6c263dc/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i [2021-11-23 01:24:33,162 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075636bf-7c88-43a9-b54e-5fb2e6c263dc/bin/ukojak-LBtLqBUTdQ/data/494e39bd8/fc0ee7d34c444862abeb3ade599f43bb/FLAGebd866c21 [2021-11-23 01:24:33,841 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:24:33,841 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075636bf-7c88-43a9-b54e-5fb2e6c263dc/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i [2021-11-23 01:24:33,856 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075636bf-7c88-43a9-b54e-5fb2e6c263dc/bin/ukojak-LBtLqBUTdQ/data/494e39bd8/fc0ee7d34c444862abeb3ade599f43bb/FLAGebd866c21 [2021-11-23 01:24:34,109 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075636bf-7c88-43a9-b54e-5fb2e6c263dc/bin/ukojak-LBtLqBUTdQ/data/494e39bd8/fc0ee7d34c444862abeb3ade599f43bb [2021-11-23 01:24:34,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:24:34,114 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:24:34,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:24:34,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:24:34,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:24:34,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:24:34" (1/1) ... [2021-11-23 01:24:34,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a19a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:34, skipping insertion in model container [2021-11-23 01:24:34,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:24:34" (1/1) ... [2021-11-23 01:24:34,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:24:34,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:24:34,538 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_075636bf-7c88-43a9-b54e-5fb2e6c263dc/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i[24987,25000] [2021-11-23 01:24:34,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:24:34,567 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:24:34,639 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_075636bf-7c88-43a9-b54e-5fb2e6c263dc/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i[24987,25000] [2021-11-23 01:24:34,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:24:34,669 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:24:34,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:34 WrapperNode [2021-11-23 01:24:34,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:24:34,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:24:34,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:24:34,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:24:34,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:34" (1/1) ... [2021-11-23 01:24:34,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:34" (1/1) ... [2021-11-23 01:24:34,744 INFO L137 Inliner]: procedures = 129, calls = 39, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 179 [2021-11-23 01:24:34,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:24:34,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:24:34,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:24:34,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:24:34,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:34" (1/1) ... [2021-11-23 01:24:34,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:34" (1/1) ... [2021-11-23 01:24:34,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:34" (1/1) ... [2021-11-23 01:24:34,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:34" (1/1) ... [2021-11-23 01:24:34,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:34" (1/1) ... [2021-11-23 01:24:34,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:34" (1/1) ... [2021-11-23 01:24:34,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:34" (1/1) ... [2021-11-23 01:24:34,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:24:34,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:24:34,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:24:34,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:24:34,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:24:34" (1/1) ... [2021-11-23 01:24:34,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:24:34,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075636bf-7c88-43a9-b54e-5fb2e6c263dc/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:24:34,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075636bf-7c88-43a9-b54e-5fb2e6c263dc/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:24:34,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075636bf-7c88-43a9-b54e-5fb2e6c263dc/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:24:34,862 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-11-23 01:24:34,862 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-11-23 01:24:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:24:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:24:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:24:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:24:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:24:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:24:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:24:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:24:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:24:34,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:24:35,037 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:24:35,038 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:24:35,078 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2021-11-23 01:24:35,320 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:24:35,373 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:24:35,376 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-23 01:24:35,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:24:35 BoogieIcfgContainer [2021-11-23 01:24:35,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:24:35,380 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:24:35,380 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:24:35,391 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:24:35,391 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:24:35" (1/1) ... [2021-11-23 01:24:35,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:24:35,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:35,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2021-11-23 01:24:35,521 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2021-11-23 01:24:35,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:24:35,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:35,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:35,791 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 01:24:35,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:35,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2021-11-23 01:24:35,857 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2021-11-23 01:24:35,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:24:35,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:35,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:35,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:35,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:35,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2021-11-23 01:24:35,892 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2021-11-23 01:24:35,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:24:35,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:35,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:35,967 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 01:24:35,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:35,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 56 transitions. [2021-11-23 01:24:35,990 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 56 transitions. [2021-11-23 01:24:35,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:24:35,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:35,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:36,144 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 01:24:36,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:36,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 52 states and 82 transitions. [2021-11-23 01:24:36,549 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 82 transitions. [2021-11-23 01:24:36,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:24:36,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:36,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:36,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:36,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:36,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 52 states and 81 transitions. [2021-11-23 01:24:36,600 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2021-11-23 01:24:36,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:24:36,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:36,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:36,708 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 01:24:36,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:36,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 55 states and 84 transitions. [2021-11-23 01:24:36,738 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 84 transitions. [2021-11-23 01:24:36,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:24:36,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:36,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:36,819 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 01:24:36,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:36,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 57 states and 86 transitions. [2021-11-23 01:24:36,839 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 86 transitions. [2021-11-23 01:24:36,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:24:36,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:36,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:36,907 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:24:36,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:36,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 58 transitions. [2021-11-23 01:24:36,945 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2021-11-23 01:24:36,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:24:36,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:36,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:37,119 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:38,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:38,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 49 states and 76 transitions. [2021-11-23 01:24:38,019 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2021-11-23 01:24:38,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:24:38,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:38,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:38,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:38,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 89 transitions. [2021-11-23 01:24:38,994 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 89 transitions. [2021-11-23 01:24:38,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:24:38,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:38,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:39,034 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:24:39,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:39,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 56 states and 91 transitions. [2021-11-23 01:24:39,214 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 91 transitions. [2021-11-23 01:24:39,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:24:39,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:39,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:39,318 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:24:40,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:40,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 71 states and 122 transitions. [2021-11-23 01:24:40,963 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 122 transitions. [2021-11-23 01:24:40,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:24:40,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:40,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:41,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:24:41,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:41,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 73 states and 125 transitions. [2021-11-23 01:24:41,451 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 125 transitions. [2021-11-23 01:24:41,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:24:41,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:41,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:41,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:24:42,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:42,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 134 transitions. [2021-11-23 01:24:42,128 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 134 transitions. [2021-11-23 01:24:42,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:24:42,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:42,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:42,363 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:42,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:42,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 79 states and 136 transitions. [2021-11-23 01:24:42,569 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 136 transitions. [2021-11-23 01:24:42,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:24:42,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:42,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:42,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:24:42,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:42,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 82 states and 139 transitions. [2021-11-23 01:24:42,625 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 139 transitions. [2021-11-23 01:24:42,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:24:42,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:42,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:42,751 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:24:45,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:45,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 98 states and 169 transitions. [2021-11-23 01:24:45,404 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 169 transitions. [2021-11-23 01:24:45,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:24:45,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:45,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:45,473 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:24:46,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:46,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 105 states and 179 transitions. [2021-11-23 01:24:46,611 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 179 transitions. [2021-11-23 01:24:46,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:24:46,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:46,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:46,683 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:24:46,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:46,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 108 states and 182 transitions. [2021-11-23 01:24:46,710 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 182 transitions. [2021-11-23 01:24:46,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:24:46,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:46,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:47,330 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:49,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:49,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 118 states and 213 transitions. [2021-11-23 01:24:49,434 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 213 transitions. [2021-11-23 01:24:49,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:24:49,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:49,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:49,598 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:50,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:50,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 120 states and 218 transitions. [2021-11-23 01:24:50,204 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 218 transitions. [2021-11-23 01:24:50,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:24:50,206 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:50,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:50,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:50,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 123 states and 224 transitions. [2021-11-23 01:24:50,904 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 224 transitions. [2021-11-23 01:24:50,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:24:50,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:50,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:51,051 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:51,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:51,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 125 states and 229 transitions. [2021-11-23 01:24:51,456 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 229 transitions. [2021-11-23 01:24:51,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:24:51,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:51,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:51,905 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:54,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:54,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 138 states and 255 transitions. [2021-11-23 01:24:54,688 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 255 transitions. [2021-11-23 01:24:54,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:24:54,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:54,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:54,728 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:55,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:55,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 139 states and 258 transitions. [2021-11-23 01:24:55,156 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 258 transitions. [2021-11-23 01:24:55,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:24:55,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:55,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:55,319 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:24:56,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:56,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 145 states and 272 transitions. [2021-11-23 01:24:56,947 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 272 transitions. [2021-11-23 01:24:56,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:24:56,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:56,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:56,981 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:24:57,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:57,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 146 states and 274 transitions. [2021-11-23 01:24:57,347 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 274 transitions. [2021-11-23 01:24:57,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:24:57,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:57,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:57,516 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:24:58,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:58,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 149 states and 284 transitions. [2021-11-23 01:24:58,459 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 284 transitions. [2021-11-23 01:24:58,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:24:58,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:58,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:58,534 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:24:58,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:58,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 150 states and 287 transitions. [2021-11-23 01:24:58,870 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 287 transitions. [2021-11-23 01:24:58,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:24:58,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:58,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:59,001 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:24:59,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:59,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 152 states and 289 transitions. [2021-11-23 01:24:59,404 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 289 transitions. [2021-11-23 01:24:59,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:24:59,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:59,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:59,442 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:00,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:00,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 155 states and 295 transitions. [2021-11-23 01:25:00,320 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 295 transitions. [2021-11-23 01:25:00,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:25:00,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:00,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:00,361 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:00,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:00,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 156 states and 297 transitions. [2021-11-23 01:25:00,818 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 297 transitions. [2021-11-23 01:25:00,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:25:00,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:00,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:00,855 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:25:01,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:01,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 159 states and 304 transitions. [2021-11-23 01:25:01,831 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 304 transitions. [2021-11-23 01:25:01,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:25:01,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:01,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:01,877 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:25:02,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:02,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 160 states and 305 transitions. [2021-11-23 01:25:02,341 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 305 transitions. [2021-11-23 01:25:02,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:25:02,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:02,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:02,524 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:25:03,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 163 states and 311 transitions. [2021-11-23 01:25:03,466 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 311 transitions. [2021-11-23 01:25:03,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:25:03,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:03,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:03,500 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:25:04,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:04,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 166 states and 314 transitions. [2021-11-23 01:25:04,412 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 314 transitions. [2021-11-23 01:25:04,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:25:04,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:04,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:04,451 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:05,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:05,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 169 states and 320 transitions. [2021-11-23 01:25:05,234 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 320 transitions. [2021-11-23 01:25:05,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:25:05,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:05,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:05,273 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:05,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:05,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 170 states and 322 transitions. [2021-11-23 01:25:05,808 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 322 transitions. [2021-11-23 01:25:05,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:25:05,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:05,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:05,856 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:25:06,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:06,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 173 states and 327 transitions. [2021-11-23 01:25:06,752 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 327 transitions. [2021-11-23 01:25:06,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:25:06,753 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:06,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:06,798 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:25:07,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:07,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 174 states and 327 transitions. [2021-11-23 01:25:07,364 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 327 transitions. [2021-11-23 01:25:07,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:25:07,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:07,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:09,000 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 01:25:20,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:20,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 207 states and 410 transitions. [2021-11-23 01:25:20,358 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 410 transitions. [2021-11-23 01:25:20,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:25:20,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:20,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:20,558 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 01:25:23,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:23,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 214 states and 423 transitions. [2021-11-23 01:25:23,780 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 423 transitions. [2021-11-23 01:25:23,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:25:23,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:23,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:23,903 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 01:25:25,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:25,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 216 states and 428 transitions. [2021-11-23 01:25:25,205 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 428 transitions. [2021-11-23 01:25:25,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:25:25,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:25,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:28,713 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:25:46,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:46,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 248 states and 514 transitions. [2021-11-23 01:25:46,972 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 514 transitions. [2021-11-23 01:25:46,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:25:46,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:46,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:47,250 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:25:49,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:49,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 253 states and 524 transitions. [2021-11-23 01:25:49,809 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 524 transitions. [2021-11-23 01:25:49,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:25:49,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:49,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:49,946 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:25:50,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:50,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 256 states and 527 transitions. [2021-11-23 01:25:50,287 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 527 transitions. [2021-11-23 01:25:50,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:25:50,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:50,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:55,979 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:26:25,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:25,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 290 states and 620 transitions. [2021-11-23 01:26:25,464 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 620 transitions. [2021-11-23 01:26:25,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:26:25,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:25,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:25,510 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-11-23 01:26:27,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:27,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 294 states and 625 transitions. [2021-11-23 01:26:27,378 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 625 transitions. [2021-11-23 01:26:27,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:26:27,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:27,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:27,715 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:26:29,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:29,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 296 states and 630 transitions. [2021-11-23 01:26:29,358 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 630 transitions. [2021-11-23 01:26:29,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:26:29,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:29,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:29,707 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:26:31,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:31,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 298 states and 634 transitions. [2021-11-23 01:26:31,184 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 634 transitions. [2021-11-23 01:26:31,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:26:31,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:31,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:31,227 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 21 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:32,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:32,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 301 states and 640 transitions. [2021-11-23 01:26:32,947 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 640 transitions. [2021-11-23 01:26:32,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:26:32,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:32,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:32,994 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 21 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:34,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:34,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 302 states and 640 transitions. [2021-11-23 01:26:34,044 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 640 transitions. [2021-11-23 01:26:34,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:26:34,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:34,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:34,088 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 21 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:34,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:34,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 303 states and 641 transitions. [2021-11-23 01:26:34,938 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 641 transitions. [2021-11-23 01:26:34,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:26:34,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:34,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:38,443 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 10 proven. 20 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:26:59,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:59,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 330 states and 710 transitions. [2021-11-23 01:26:59,540 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 710 transitions. [2021-11-23 01:26:59,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:26:59,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:59,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:59,681 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 10 proven. 20 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:27:04,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:04,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 334 states and 713 transitions. [2021-11-23 01:27:04,322 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 713 transitions. [2021-11-23 01:27:04,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:27:04,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:04,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:04,464 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 10 proven. 20 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:27:05,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 335 states and 713 transitions. [2021-11-23 01:27:05,590 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 713 transitions. [2021-11-23 01:27:05,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:27:05,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:05,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:05,731 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 10 proven. 20 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:27:09,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:09,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 339 states and 723 transitions. [2021-11-23 01:27:09,423 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 723 transitions. [2021-11-23 01:27:09,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:27:09,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:09,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:14,270 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 01:27:31,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:31,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 352 states and 754 transitions. [2021-11-23 01:27:31,647 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 754 transitions. [2021-11-23 01:27:31,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:27:31,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:31,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:32,933 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:27:35,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:35,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 354 states and 758 transitions. [2021-11-23 01:27:35,314 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 758 transitions. [2021-11-23 01:27:35,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:27:35,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:35,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:35,355 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:27:37,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:37,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 356 states and 761 transitions. [2021-11-23 01:27:37,807 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 761 transitions. [2021-11-23 01:27:37,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:27:37,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:37,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:39,590 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 01:27:41,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:41,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 358 states and 762 transitions. [2021-11-23 01:27:41,294 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 762 transitions. [2021-11-23 01:27:41,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:27:41,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:41,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:43,300 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 01:27:48,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:48,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 362 states and 772 transitions. [2021-11-23 01:27:48,278 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 772 transitions. [2021-11-23 01:27:48,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:27:48,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:48,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:51,629 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 01:28:32,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:32,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 399 states and 881 transitions. [2021-11-23 01:28:32,994 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 881 transitions. [2021-11-23 01:28:32,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:28:32,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:32,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:33,046 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 01:28:39,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:39,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 404 states and 893 transitions. [2021-11-23 01:28:39,458 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 893 transitions. [2021-11-23 01:28:39,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:28:39,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:39,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 29 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:28:58,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:58,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 423 states and 938 transitions. [2021-11-23 01:28:58,092 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 938 transitions. [2021-11-23 01:28:58,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:28:58,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:58,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:58,600 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 29 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:29:01,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:01,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 425 states and 941 transitions. [2021-11-23 01:29:01,643 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 941 transitions. [2021-11-23 01:29:01,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:29:01,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:01,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:06,069 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 01:29:21,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:21,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 434 states and 987 transitions. [2021-11-23 01:29:21,948 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 987 transitions. [2021-11-23 01:29:21,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:29:21,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:21,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:22,021 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 01:29:23,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:23,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 435 states and 996 transitions. [2021-11-23 01:29:23,862 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 996 transitions. [2021-11-23 01:29:23,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:29:23,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:23,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:23,937 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 01:29:29,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:29,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 438 states and 1016 transitions. [2021-11-23 01:29:29,142 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 1016 transitions. [2021-11-23 01:29:29,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:29:29,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:29,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:29,210 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 01:29:31,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:31,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 439 states and 1020 transitions. [2021-11-23 01:29:31,690 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 1020 transitions. [2021-11-23 01:29:31,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:29:31,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:31,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:43,097 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:30:20,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:20,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 460 states and 1068 transitions. [2021-11-23 01:30:20,023 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 1068 transitions. [2021-11-23 01:30:20,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:30:20,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:20,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:20,048 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:30:20,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:20,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 461 states and 1071 transitions. [2021-11-23 01:30:20,080 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 1071 transitions. [2021-11-23 01:30:20,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:30:20,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:20,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:24,989 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 01:30:41,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:41,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 468 states and 1100 transitions. [2021-11-23 01:30:41,119 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 1100 transitions. [2021-11-23 01:30:41,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:30:41,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:41,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:41,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:42,203 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 01:30:51,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:51,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 472 states and 1121 transitions. [2021-11-23 01:30:51,863 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 1121 transitions. [2021-11-23 01:30:51,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:30:51,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:51,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:53,017 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 01:30:57,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:57,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 474 states and 1128 transitions. [2021-11-23 01:30:57,835 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 1128 transitions. [2021-11-23 01:30:57,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:30:57,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:57,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:58,779 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 01:31:02,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:02,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 476 states and 1133 transitions. [2021-11-23 01:31:02,560 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 1133 transitions. [2021-11-23 01:31:02,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:31:02,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:02,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:03,534 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-23 01:31:05,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:05,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 477 states and 1134 transitions. [2021-11-23 01:31:05,563 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 1134 transitions. [2021-11-23 01:31:05,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:31:05,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:05,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:05,637 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:31:30,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:30,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 501 states and 1204 transitions. [2021-11-23 01:31:30,751 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 1204 transitions. [2021-11-23 01:31:30,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:31:30,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:30,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:30,822 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:31:39,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:39,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 507 states and 1211 transitions. [2021-11-23 01:31:39,178 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 1211 transitions. [2021-11-23 01:31:39,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:31:39,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:39,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:39,249 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:31:42,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:42,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 509 states and 1213 transitions. [2021-11-23 01:31:42,190 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 1213 transitions. [2021-11-23 01:31:42,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:31:42,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:42,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:42,424 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:31:44,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:44,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 510 states and 1213 transitions. [2021-11-23 01:31:44,172 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1213 transitions. [2021-11-23 01:31:44,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:31:44,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:44,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:44,245 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-23 01:31:46,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:46,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 511 states and 1214 transitions. [2021-11-23 01:31:46,167 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 1214 transitions. [2021-11-23 01:31:46,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:31:46,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:46,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:49,696 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 01:32:14,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:14,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 527 states and 1247 transitions. [2021-11-23 01:32:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 1247 transitions. [2021-11-23 01:32:14,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:32:14,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:14,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:14,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:14,215 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-11-23 01:32:45,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:45,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 548 states and 1295 transitions. [2021-11-23 01:32:45,149 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 1295 transitions. [2021-11-23 01:32:45,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:32:45,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:45,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:48,043 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 14 proven. 10 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 01:32:53,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:53,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 550 states and 1298 transitions. [2021-11-23 01:32:53,983 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1298 transitions. [2021-11-23 01:32:53,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:32:53,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:53,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:54,012 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 01:32:59,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:59,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 556 states and 1305 transitions. [2021-11-23 01:32:59,130 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 1305 transitions. [2021-11-23 01:32:59,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:32:59,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:59,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:03,029 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-23 01:33:40,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:40,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 577 states and 1365 transitions. [2021-11-23 01:33:40,769 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 1365 transitions. [2021-11-23 01:33:40,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:33:40,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:40,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:59,195 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 15 proven. 24 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:35:08,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:08,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 605 states and 1435 transitions. [2021-11-23 01:35:08,816 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1435 transitions. [2021-11-23 01:35:08,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:35:08,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:08,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:09,294 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 15 proven. 24 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:35:24,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:24,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 612 states and 1450 transitions. [2021-11-23 01:35:24,923 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1450 transitions. [2021-11-23 01:35:24,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:35:24,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:24,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:26,185 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:35:29,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:29,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 616 states and 1457 transitions. [2021-11-23 01:35:29,729 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 1457 transitions. [2021-11-23 01:35:29,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:35:29,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:29,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:31,180 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:36:04,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:04,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 638 states and 1518 transitions. [2021-11-23 01:36:04,143 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1518 transitions. [2021-11-23 01:36:04,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:36:04,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:04,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:04,386 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:36:11,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:11,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 641 states and 1525 transitions. [2021-11-23 01:36:11,311 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1525 transitions. [2021-11-23 01:36:11,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:36:11,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:11,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:11,538 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:36:13,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:13,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1528 states to 642 states and 1528 transitions. [2021-11-23 01:36:13,816 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1528 transitions. [2021-11-23 01:36:13,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:36:13,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:13,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:14,176 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 4 proven. 31 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:36:16,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:16,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 643 states and 1530 transitions. [2021-11-23 01:36:16,451 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1530 transitions. [2021-11-23 01:36:16,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:36:16,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:16,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat