./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57c8f-bb45-4019-a94f-ee837456f5a5/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57c8f-bb45-4019-a94f-ee837456f5a5/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57c8f-bb45-4019-a94f-ee837456f5a5/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57c8f-bb45-4019-a94f-ee837456f5a5/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57c8f-bb45-4019-a94f-ee837456f5a5/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57c8f-bb45-4019-a94f-ee837456f5a5/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:58:29,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:58:29,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:58:29,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:58:29,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:58:29,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:58:29,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:58:29,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:58:29,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:58:29,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:58:29,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:58:29,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:58:29,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:58:29,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:58:29,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:58:29,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:58:29,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:58:29,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:58:29,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:58:29,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:58:29,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:58:29,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:58:29,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:58:29,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:58:29,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:58:29,639 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:58:29,639 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:58:29,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:58:29,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:58:29,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:58:29,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:58:29,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:58:29,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:58:29,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:58:29,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:58:29,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:58:29,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:58:29,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:58:29,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:58:29,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:58:29,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:58:29,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57c8f-bb45-4019-a94f-ee837456f5a5/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 21:58:29,705 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:58:29,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:58:29,708 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:58:29,708 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 21:58:29,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:58:29,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:58:29,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:58:29,710 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 21:58:29,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:58:29,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:58:29,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:58:29,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:58:29,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:58:29,718 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 21:58:29,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:58:29,719 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:58:29,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:58:29,719 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:58:29,720 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:58:29,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:58:29,720 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:58:29,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:58:29,721 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:58:29,721 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:58:29,721 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:58:29,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:58:29,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:58:29,722 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_52b57c8f-bb45-4019-a94f-ee837456f5a5/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57c8f-bb45-4019-a94f-ee837456f5a5/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb8f212b8045dc9be8518316cbae752ce6111a4a93244dc89f86b0ea27a978ef [2021-11-13 21:58:30,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:58:30,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:58:30,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:58:30,057 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:58:30,058 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:58:30,061 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57c8f-bb45-4019-a94f-ee837456f5a5/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2021-11-13 21:58:30,159 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57c8f-bb45-4019-a94f-ee837456f5a5/bin/ukojak-2xVlg8857e/data/364c2dffd/91024ae57da4441d84ae29428f81070a/FLAGaf9da4af3 [2021-11-13 21:58:30,614 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:58:30,614 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57c8f-bb45-4019-a94f-ee837456f5a5/sv-benchmarks/c/termination-crafted/Collatz_bounded.c [2021-11-13 21:58:30,630 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57c8f-bb45-4019-a94f-ee837456f5a5/bin/ukojak-2xVlg8857e/data/364c2dffd/91024ae57da4441d84ae29428f81070a/FLAGaf9da4af3 [2021-11-13 21:58:31,035 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57c8f-bb45-4019-a94f-ee837456f5a5/bin/ukojak-2xVlg8857e/data/364c2dffd/91024ae57da4441d84ae29428f81070a [2021-11-13 21:58:31,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:58:31,039 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:58:31,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:58:31,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:58:31,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:58:31,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787f3ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31, skipping insertion in model container [2021-11-13 21:58:31,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:58:31,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:58:31,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:58:31,220 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:58:31,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:58:31,256 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:58:31,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31 WrapperNode [2021-11-13 21:58:31,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:58:31,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:58:31,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:58:31,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:58:31,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:58:31,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:58:31,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:58:31,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:58:31,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:58:31,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:58:31,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:58:31,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:58:31,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:58:31,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57c8f-bb45-4019-a94f-ee837456f5a5/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:58:31,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57c8f-bb45-4019-a94f-ee837456f5a5/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:58:31,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52b57c8f-bb45-4019-a94f-ee837456f5a5/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:58:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:58:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:58:31,676 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:58:31,676 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 21:58:31,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:31 BoogieIcfgContainer [2021-11-13 21:58:31,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:58:31,680 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:58:31,680 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:58:31,689 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:58:31,689 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:31" (1/1) ... [2021-11-13 21:58:31,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:58:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:31,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2021-11-13 21:58:31,749 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-11-13 21:58:31,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 21:58:31,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:31,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:32,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:32,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:32,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2021-11-13 21:58:32,211 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2021-11-13 21:58:32,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 21:58:32,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:32,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:32,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:32,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:32,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2021-11-13 21:58:32,252 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2021-11-13 21:58:32,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 21:58:32,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:32,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:32,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:32,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:32,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2021-11-13 21:58:32,367 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2021-11-13 21:58:32,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 21:58:32,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:32,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:32,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:32,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:32,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2021-11-13 21:58:32,456 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-13 21:58:32,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 21:58:32,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:32,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:32,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:32,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:32,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2021-11-13 21:58:32,524 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2021-11-13 21:58:32,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 21:58:32,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:32,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:32,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:32,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:32,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2021-11-13 21:58:32,569 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2021-11-13 21:58:32,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 21:58:32,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:32,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:32,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:32,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:32,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2021-11-13 21:58:32,886 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2021-11-13 21:58:32,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 21:58:32,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:32,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:33,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:33,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:33,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-13 21:58:33,186 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-13 21:58:33,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 21:58:33,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:33,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:33,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:33,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:33,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2021-11-13 21:58:33,257 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2021-11-13 21:58:33,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 21:58:33,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:33,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:33,295 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 21:58:33,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:33,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2021-11-13 21:58:33,379 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2021-11-13 21:58:33,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 21:58:33,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:33,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:33,574 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:33,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:33,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2021-11-13 21:58:33,691 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2021-11-13 21:58:33,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 21:58:33,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:33,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:33,814 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 21:58:33,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:33,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2021-11-13 21:58:33,946 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2021-11-13 21:58:33,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-13 21:58:33,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:33,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:34,033 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:34,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:34,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2021-11-13 21:58:34,260 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2021-11-13 21:58:34,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-13 21:58:34,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:34,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:34,415 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:34,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:34,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2021-11-13 21:58:34,715 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2021-11-13 21:58:34,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-13 21:58:34,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:34,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:34,763 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:35,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:35,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 52 states and 67 transitions. [2021-11-13 21:58:35,003 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2021-11-13 21:58:35,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 21:58:35,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:35,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:35,164 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 21:58:35,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:35,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2021-11-13 21:58:35,294 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2021-11-13 21:58:35,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 21:58:35,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:35,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:35,439 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:35,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:35,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2021-11-13 21:58:35,677 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2021-11-13 21:58:35,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-13 21:58:35,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:35,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:35,734 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:36,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:36,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2021-11-13 21:58:36,028 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2021-11-13 21:58:36,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 21:58:36,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:36,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:36,200 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:36,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:36,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2021-11-13 21:58:36,496 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2021-11-13 21:58:36,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 21:58:36,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:36,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:36,564 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:36,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:36,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 56 states and 71 transitions. [2021-11-13 21:58:36,883 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2021-11-13 21:58:36,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 21:58:36,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:36,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:37,117 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 1 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:37,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:37,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 58 states and 73 transitions. [2021-11-13 21:58:37,506 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2021-11-13 21:58:37,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 21:58:37,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:37,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:37,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:37,573 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:37,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:37,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2021-11-13 21:58:37,921 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2021-11-13 21:58:37,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 21:58:37,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:37,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:38,145 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 1 proven. 121 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:38,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:38,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2021-11-13 21:58:38,506 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2021-11-13 21:58:38,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 21:58:38,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:38,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:38,579 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:38,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:38,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 72 states and 91 transitions. [2021-11-13 21:58:38,942 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions. [2021-11-13 21:58:38,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 21:58:38,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:38,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 1 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:39,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:39,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 74 states and 93 transitions. [2021-11-13 21:58:39,453 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2021-11-13 21:58:39,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 21:58:39,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:39,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:39,664 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2021-11-13 21:58:39,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:39,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 76 states and 96 transitions. [2021-11-13 21:58:39,903 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 96 transitions. [2021-11-13 21:58:39,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 21:58:39,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:39,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:40,217 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 1 proven. 209 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:42,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:42,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 121 states and 154 transitions. [2021-11-13 21:58:42,019 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 154 transitions. [2021-11-13 21:58:42,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 21:58:42,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:42,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:42,249 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 2 proven. 230 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:42,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:42,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 123 states and 156 transitions. [2021-11-13 21:58:42,617 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 156 transitions. [2021-11-13 21:58:42,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 21:58:42,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:42,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:42,796 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 125 proven. 1 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2021-11-13 21:58:43,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:43,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 125 states and 158 transitions. [2021-11-13 21:58:43,063 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 158 transitions. [2021-11-13 21:58:43,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 21:58:43,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:43,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 3 proven. 284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:44,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:44,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 133 states and 170 transitions. [2021-11-13 21:58:44,615 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 170 transitions. [2021-11-13 21:58:44,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-13 21:58:44,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:44,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:44,711 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 3 proven. 284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:46,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:46,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 172 states and 220 transitions. [2021-11-13 21:58:46,190 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 220 transitions. [2021-11-13 21:58:46,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-13 21:58:46,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:46,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:46,545 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 4 proven. 311 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:46,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:46,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 174 states and 222 transitions. [2021-11-13 21:58:46,901 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 222 transitions. [2021-11-13 21:58:46,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-13 21:58:46,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:46,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:47,021 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 192 proven. 1 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-13 21:58:47,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:47,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 176 states and 224 transitions. [2021-11-13 21:58:47,352 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 224 transitions. [2021-11-13 21:58:47,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 21:58:47,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:47,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:47,477 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 227 proven. 1 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-13 21:58:47,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:47,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 178 states and 226 transitions. [2021-11-13 21:58:47,734 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 226 transitions. [2021-11-13 21:58:47,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 21:58:47,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:47,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:47,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:47,821 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 227 proven. 1 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2021-11-13 21:58:48,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:48,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 180 states and 229 transitions. [2021-11-13 21:58:48,028 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 229 transitions. [2021-11-13 21:58:48,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 21:58:48,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:48,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:48,878 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 7 proven. 405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:50,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:50,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 192 states and 244 transitions. [2021-11-13 21:58:50,586 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 244 transitions. [2021-11-13 21:58:50,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-13 21:58:50,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:50,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:50,805 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2021-11-13 21:58:51,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:51,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 194 states and 246 transitions. [2021-11-13 21:58:51,147 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 246 transitions. [2021-11-13 21:58:51,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-13 21:58:51,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:51,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:51,883 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 9 proven. 514 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:55,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:55,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 243 states and 309 transitions. [2021-11-13 21:58:55,176 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 309 transitions. [2021-11-13 21:58:55,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-13 21:58:55,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:55,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:55,672 INFO L134 CoverageAnalysis]: Checked inductivity of 567 backedges. 10 proven. 557 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:56,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:56,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 245 states and 311 transitions. [2021-11-13 21:58:56,381 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 311 transitions. [2021-11-13 21:58:56,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-13 21:58:56,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:56,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:56,485 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 345 proven. 1 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2021-11-13 21:58:56,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:56,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 247 states and 313 transitions. [2021-11-13 21:58:56,916 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 313 transitions. [2021-11-13 21:58:56,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-13 21:58:56,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:56,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:57,079 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2021-11-13 21:58:57,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:57,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 249 states and 315 transitions. [2021-11-13 21:58:57,559 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 315 transitions. [2021-11-13 21:58:57,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-13 21:58:57,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:57,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:57,674 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2021-11-13 21:58:58,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:58,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 251 states and 318 transitions. [2021-11-13 21:58:58,053 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 318 transitions. [2021-11-13 21:58:58,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-13 21:58:58,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:58,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:59,172 INFO L134 CoverageAnalysis]: Checked inductivity of 698 backedges. 13 proven. 685 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:01,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:01,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 263 states and 333 transitions. [2021-11-13 21:59:01,262 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 333 transitions. [2021-11-13 21:59:01,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-13 21:59:01,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:01,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:01,402 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 386 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2021-11-13 21:59:01,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:01,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 265 states and 335 transitions. [2021-11-13 21:59:01,764 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 335 transitions. [2021-11-13 21:59:01,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-13 21:59:01,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:01,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:02,570 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 15 proven. 828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:04,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:04,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 273 states and 348 transitions. [2021-11-13 21:59:04,095 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 348 transitions. [2021-11-13 21:59:04,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-13 21:59:04,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:04,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:04,265 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 15 proven. 828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:05,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:05,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 300 states and 382 transitions. [2021-11-13 21:59:05,767 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 382 transitions. [2021-11-13 21:59:05,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-13 21:59:05,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:05,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:05,922 INFO L134 CoverageAnalysis]: Checked inductivity of 843 backedges. 15 proven. 828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:06,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:06,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 308 states and 390 transitions. [2021-11-13 21:59:06,717 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 390 transitions. [2021-11-13 21:59:06,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-13 21:59:06,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:06,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:07,180 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 16 proven. 887 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:07,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:07,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 310 states and 392 transitions. [2021-11-13 21:59:07,815 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 392 transitions. [2021-11-13 21:59:07,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 21:59:07,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:07,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:07,920 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 450 proven. 1 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2021-11-13 21:59:08,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:08,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 312 states and 394 transitions. [2021-11-13 21:59:08,374 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 394 transitions. [2021-11-13 21:59:08,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-13 21:59:08,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:08,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:08,472 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 450 proven. 1 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2021-11-13 21:59:08,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:08,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 314 states and 396 transitions. [2021-11-13 21:59:08,761 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 396 transitions. [2021-11-13 21:59:08,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-13 21:59:08,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:08,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:08,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2021-11-13 21:59:09,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:09,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 316 states and 398 transitions. [2021-11-13 21:59:09,374 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 398 transitions. [2021-11-13 21:59:09,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-13 21:59:09,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:09,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:09,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 598 trivial. 0 not checked. [2021-11-13 21:59:09,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:09,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 318 states and 401 transitions. [2021-11-13 21:59:09,975 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 401 transitions. [2021-11-13 21:59:09,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-13 21:59:09,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:09,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:11,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 19 proven. 1049 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:13,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:13,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 330 states and 416 transitions. [2021-11-13 21:59:13,453 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 416 transitions. [2021-11-13 21:59:13,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-13 21:59:13,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:13,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:13,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1175 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2021-11-13 21:59:14,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:14,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 332 states and 418 transitions. [2021-11-13 21:59:14,139 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 418 transitions. [2021-11-13 21:59:14,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-13 21:59:14,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:14,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:14,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1247 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 857 trivial. 0 not checked. [2021-11-13 21:59:14,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:14,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 334 states and 420 transitions. [2021-11-13 21:59:14,732 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 420 transitions. [2021-11-13 21:59:14,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-13 21:59:14,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:14,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:14,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1247 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 857 trivial. 0 not checked. [2021-11-13 21:59:15,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:15,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 336 states and 423 transitions. [2021-11-13 21:59:15,290 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 423 transitions. [2021-11-13 21:59:15,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-13 21:59:15,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:15,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:16,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 23 proven. 1300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:19,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:19,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 348 states and 439 transitions. [2021-11-13 21:59:19,060 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 439 transitions. [2021-11-13 21:59:19,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-13 21:59:19,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:19,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:19,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 23 proven. 1300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:20,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:20,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 356 states and 447 transitions. [2021-11-13 21:59:20,079 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 447 transitions. [2021-11-13 21:59:20,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-13 21:59:20,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:20,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:20,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 486 proven. 0 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2021-11-13 21:59:20,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:20,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 358 states and 449 transitions. [2021-11-13 21:59:20,727 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 449 transitions. [2021-11-13 21:59:20,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-13 21:59:20,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:20,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:20,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1362 backedges. 486 proven. 0 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2021-11-13 21:59:21,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:21,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 360 states and 451 transitions. [2021-11-13 21:59:21,309 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 451 transitions. [2021-11-13 21:59:21,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-13 21:59:21,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:21,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:21,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 446 proven. 1 refuted. 0 times theorem prover too weak. 993 trivial. 0 not checked. [2021-11-13 21:59:21,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:21,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 362 states and 453 transitions. [2021-11-13 21:59:21,838 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 453 transitions. [2021-11-13 21:59:21,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-13 21:59:21,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:21,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:22,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1522 backedges. 25 proven. 1497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:24,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:24,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 364 states and 457 transitions. [2021-11-13 21:59:24,007 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 457 transitions. [2021-11-13 21:59:24,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-13 21:59:24,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:24,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:24,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1522 backedges. 25 proven. 1497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:25,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:25,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 372 states and 465 transitions. [2021-11-13 21:59:25,157 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 465 transitions. [2021-11-13 21:59:25,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-13 21:59:25,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:25,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:25,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 481 proven. 1 refuted. 0 times theorem prover too weak. 1165 trivial. 0 not checked. [2021-11-13 21:59:25,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:25,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 374 states and 467 transitions. [2021-11-13 21:59:25,732 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 467 transitions. [2021-11-13 21:59:25,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-13 21:59:25,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:25,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:25,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1735 backedges. 396 proven. 1 refuted. 0 times theorem prover too weak. 1338 trivial. 0 not checked. [2021-11-13 21:59:26,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:26,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 376 states and 470 transitions. [2021-11-13 21:59:26,340 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 470 transitions. [2021-11-13 21:59:26,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-11-13 21:59:26,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:26,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:26,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1735 backedges. 396 proven. 1 refuted. 0 times theorem prover too weak. 1338 trivial. 0 not checked. [2021-11-13 21:59:26,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:26,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 378 states and 472 transitions. [2021-11-13 21:59:26,933 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 472 transitions. [2021-11-13 21:59:26,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-13 21:59:26,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:26,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:28,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1827 backedges. 29 proven. 1798 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:31,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:31,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 398 states and 496 transitions. [2021-11-13 21:59:31,919 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 496 transitions. [2021-11-13 21:59:31,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-13 21:59:31,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:31,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:32,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1868 backedges. 516 proven. 1 refuted. 0 times theorem prover too weak. 1351 trivial. 0 not checked. [2021-11-13 21:59:32,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:32,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 400 states and 498 transitions. [2021-11-13 21:59:32,525 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 498 transitions. [2021-11-13 21:59:32,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-11-13 21:59:32,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:32,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:32,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1962 backedges. 423 proven. 1 refuted. 0 times theorem prover too weak. 1538 trivial. 0 not checked. [2021-11-13 21:59:33,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:33,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 402 states and 501 transitions. [2021-11-13 21:59:33,237 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 501 transitions. [2021-11-13 21:59:33,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-13 21:59:33,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:33,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:34,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2060 backedges. 31 proven. 2029 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:35,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:35,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 404 states and 505 transitions. [2021-11-13 21:59:35,383 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 505 transitions. [2021-11-13 21:59:35,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-13 21:59:35,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:35,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:35,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2060 backedges. 31 proven. 2029 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:36,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:36,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 412 states and 513 transitions. [2021-11-13 21:59:36,730 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 513 transitions. [2021-11-13 21:59:36,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-13 21:59:36,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:36,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:36,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2203 backedges. 419 proven. 0 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2021-11-13 21:59:37,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:37,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 414 states and 515 transitions. [2021-11-13 21:59:37,501 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 515 transitions. [2021-11-13 21:59:37,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-13 21:59:37,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:37,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:37,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2203 backedges. 419 proven. 0 refuted. 0 times theorem prover too weak. 1784 trivial. 0 not checked. [2021-11-13 21:59:38,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:38,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 416 states and 517 transitions. [2021-11-13 21:59:38,270 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 517 transitions. [2021-11-13 21:59:38,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-13 21:59:38,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:38,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:38,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 333 proven. 1 refuted. 0 times theorem prover too weak. 1973 trivial. 0 not checked. [2021-11-13 21:59:39,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:39,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 418 states and 519 transitions. [2021-11-13 21:59:39,115 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 519 transitions. [2021-11-13 21:59:39,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-11-13 21:59:39,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:39,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:39,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 333 proven. 1 refuted. 0 times theorem prover too weak. 1973 trivial. 0 not checked. [2021-11-13 21:59:39,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:39,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 420 states and 524 transitions. [2021-11-13 21:59:39,815 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 524 transitions. [2021-11-13 21:59:39,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-11-13 21:59:39,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:39,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:40,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2568 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 2251 trivial. 0 not checked. [2021-11-13 21:59:40,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:40,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 422 states and 526 transitions. [2021-11-13 21:59:40,577 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 526 transitions. [2021-11-13 21:59:40,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-13 21:59:40,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:40,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:40,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:58,275 WARN L227 SmtUtils]: Spent 10.04s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 22:04:50,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2682 backedges. 591 proven. 2056 refuted. 4 times theorem prover too weak. 31 trivial. 0 not checked. [2021-11-13 22:06:58,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-13 22:08:54,010 WARN L227 SmtUtils]: Spent 10.13s on a formula simplification that was a NOOP. DAG size: 21 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-13 22:09:11,880 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []