./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d57bf3f-9eea-4aa0-93f9-a97eae7dec29/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d57bf3f-9eea-4aa0-93f9-a97eae7dec29/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d57bf3f-9eea-4aa0-93f9-a97eae7dec29/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d57bf3f-9eea-4aa0-93f9-a97eae7dec29/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d57bf3f-9eea-4aa0-93f9-a97eae7dec29/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d57bf3f-9eea-4aa0-93f9-a97eae7dec29/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 160554c42c564a52ebd5fe8cd6d07ff66d908df6432eaaa8c30073c4760a7967 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:36:03,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:36:03,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:36:03,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:36:03,813 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:36:03,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:36:03,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:36:03,819 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:36:03,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:36:03,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:36:03,824 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:36:03,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:36:03,826 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:36:03,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:36:03,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:36:03,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:36:03,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:36:03,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:36:03,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:36:03,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:36:03,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:36:03,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:36:03,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:36:03,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:36:03,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:36:03,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:36:03,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:36:03,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:36:03,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:36:03,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:36:03,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:36:03,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:36:03,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:36:03,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:36:03,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:36:03,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:36:03,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:36:03,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:36:03,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:36:03,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:36:03,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:36:03,863 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d57bf3f-9eea-4aa0-93f9-a97eae7dec29/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:36:03,898 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:36:03,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:36:03,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:36:03,901 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:36:03,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:36:03,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:36:03,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:36:03,902 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:36:03,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:36:03,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:36:03,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:36:03,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:36:03,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:36:03,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:36:03,911 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:36:03,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:36:03,912 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:36:03,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:36:03,912 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:36:03,912 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:36:03,913 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:36:03,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:36:03,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:36:03,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:36:03,914 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:36:03,914 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:36:03,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:36:03,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:36:03,915 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_7d57bf3f-9eea-4aa0-93f9-a97eae7dec29/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d57bf3f-9eea-4aa0-93f9-a97eae7dec29/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 160554c42c564a52ebd5fe8cd6d07ff66d908df6432eaaa8c30073c4760a7967 [2021-11-23 01:36:04,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:36:04,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:36:04,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:36:04,292 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:36:04,293 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:36:04,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d57bf3f-9eea-4aa0-93f9-a97eae7dec29/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2021-11-23 01:36:04,381 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d57bf3f-9eea-4aa0-93f9-a97eae7dec29/bin/ukojak-LBtLqBUTdQ/data/9e1f877a9/0eafa3ce7e6c4812a8c0cf2680db81ef/FLAG8f01a7abb [2021-11-23 01:36:04,882 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:36:04,883 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d57bf3f-9eea-4aa0-93f9-a97eae7dec29/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2021-11-23 01:36:04,893 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d57bf3f-9eea-4aa0-93f9-a97eae7dec29/bin/ukojak-LBtLqBUTdQ/data/9e1f877a9/0eafa3ce7e6c4812a8c0cf2680db81ef/FLAG8f01a7abb [2021-11-23 01:36:05,220 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d57bf3f-9eea-4aa0-93f9-a97eae7dec29/bin/ukojak-LBtLqBUTdQ/data/9e1f877a9/0eafa3ce7e6c4812a8c0cf2680db81ef [2021-11-23 01:36:05,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:36:05,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:36:05,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:36:05,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:36:05,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:36:05,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:36:05" (1/1) ... [2021-11-23 01:36:05,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14141715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:05, skipping insertion in model container [2021-11-23 01:36:05,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:36:05" (1/1) ... [2021-11-23 01:36:05,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:36:05,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:36:05,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d57bf3f-9eea-4aa0-93f9-a97eae7dec29/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[4902,4915] [2021-11-23 01:36:05,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:36:05,642 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:36:05,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d57bf3f-9eea-4aa0-93f9-a97eae7dec29/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c[4902,4915] [2021-11-23 01:36:05,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:36:05,758 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:36:05,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:05 WrapperNode [2021-11-23 01:36:05,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:36:05,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:36:05,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:36:05,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:36:05,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:05" (1/1) ... [2021-11-23 01:36:05,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:05" (1/1) ... [2021-11-23 01:36:05,824 INFO L137 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 343 [2021-11-23 01:36:05,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:36:05,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:36:05,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:36:05,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:36:05,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:05" (1/1) ... [2021-11-23 01:36:05,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:05" (1/1) ... [2021-11-23 01:36:05,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:05" (1/1) ... [2021-11-23 01:36:05,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:05" (1/1) ... [2021-11-23 01:36:05,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:05" (1/1) ... [2021-11-23 01:36:05,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:05" (1/1) ... [2021-11-23 01:36:05,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:05" (1/1) ... [2021-11-23 01:36:05,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:36:05,859 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:36:05,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:36:05,859 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:36:05,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:36:05" (1/1) ... [2021-11-23 01:36:05,879 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:36:05,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d57bf3f-9eea-4aa0-93f9-a97eae7dec29/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:36:05,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d57bf3f-9eea-4aa0-93f9-a97eae7dec29/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:36:05,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d57bf3f-9eea-4aa0-93f9-a97eae7dec29/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:36:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:36:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:36:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:36:05,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:36:06,039 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:36:06,041 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:36:06,463 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:36:06,555 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:36:06,556 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:36:06,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:06 BoogieIcfgContainer [2021-11-23 01:36:06,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:36:06,560 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:36:06,560 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:36:06,571 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:36:06,572 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:06" (1/1) ... [2021-11-23 01:36:06,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:36:06,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:06,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 60 states and 100 transitions. [2021-11-23 01:36:06,652 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 100 transitions. [2021-11-23 01:36:06,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:36:06,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:06,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:07,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:07,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:07,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 62 states and 102 transitions. [2021-11-23 01:36:07,153 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 102 transitions. [2021-11-23 01:36:07,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:36:07,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:07,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:07,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:07,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:07,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 69 states and 114 transitions. [2021-11-23 01:36:07,440 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 114 transitions. [2021-11-23 01:36:07,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:36:07,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:07,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:07,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:07,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:07,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 70 states and 114 transitions. [2021-11-23 01:36:07,571 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 114 transitions. [2021-11-23 01:36:07,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:36:07,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:07,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:07,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:07,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:07,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 82 states and 135 transitions. [2021-11-23 01:36:07,883 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 135 transitions. [2021-11-23 01:36:07,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:36:07,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:07,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:07,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:07,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:07,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 83 states and 135 transitions. [2021-11-23 01:36:07,952 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 135 transitions. [2021-11-23 01:36:07,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:36:07,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:07,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:08,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:08,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:08,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 84 states and 135 transitions. [2021-11-23 01:36:08,050 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 135 transitions. [2021-11-23 01:36:08,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:36:08,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:08,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:08,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:08,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:08,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 101 states and 165 transitions. [2021-11-23 01:36:08,461 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 165 transitions. [2021-11-23 01:36:08,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:36:08,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:08,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:08,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:08,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:08,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 102 states and 165 transitions. [2021-11-23 01:36:08,504 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 165 transitions. [2021-11-23 01:36:08,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:36:08,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:08,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:08,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:08,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:08,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 103 states and 165 transitions. [2021-11-23 01:36:08,569 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 165 transitions. [2021-11-23 01:36:08,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:36:08,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:08,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:08,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:08,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:08,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 104 states and 165 transitions. [2021-11-23 01:36:08,614 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 165 transitions. [2021-11-23 01:36:08,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:36:08,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:08,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:08,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:10,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:10,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 126 states and 205 transitions. [2021-11-23 01:36:10,677 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 205 transitions. [2021-11-23 01:36:10,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:36:10,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:10,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:10,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:10,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:10,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 127 states and 205 transitions. [2021-11-23 01:36:10,759 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 205 transitions. [2021-11-23 01:36:10,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:36:10,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:10,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:10,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:10,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:10,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 128 states and 205 transitions. [2021-11-23 01:36:10,841 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 205 transitions. [2021-11-23 01:36:10,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:36:10,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:10,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:10,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:10,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:10,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 129 states and 205 transitions. [2021-11-23 01:36:10,913 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 205 transitions. [2021-11-23 01:36:10,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:36:10,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:10,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:10,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:10,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:10,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 130 states and 205 transitions. [2021-11-23 01:36:10,986 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 205 transitions. [2021-11-23 01:36:10,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:36:10,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:10,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:11,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:13,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:13,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 153 states and 247 transitions. [2021-11-23 01:36:13,711 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 247 transitions. [2021-11-23 01:36:13,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:36:13,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:13,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:14,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:18,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:18,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 177 states and 289 transitions. [2021-11-23 01:36:18,557 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 289 transitions. [2021-11-23 01:36:18,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:36:18,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:18,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:18,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:18,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:18,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 178 states and 289 transitions. [2021-11-23 01:36:18,629 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 289 transitions. [2021-11-23 01:36:18,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:36:18,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:18,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:18,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:18,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:18,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 179 states and 289 transitions. [2021-11-23 01:36:18,745 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 289 transitions. [2021-11-23 01:36:18,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:36:18,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:18,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:18,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:18,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:18,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 180 states and 289 transitions. [2021-11-23 01:36:18,804 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 289 transitions. [2021-11-23 01:36:18,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:36:18,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:18,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:18,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:18,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:18,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 181 states and 289 transitions. [2021-11-23 01:36:18,941 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 289 transitions. [2021-11-23 01:36:18,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:36:18,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:18,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:18,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:19,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:19,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 182 states and 289 transitions. [2021-11-23 01:36:19,006 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 289 transitions. [2021-11-23 01:36:19,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:36:19,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:19,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:19,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:19,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:19,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:19,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 183 states and 289 transitions. [2021-11-23 01:36:19,151 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 289 transitions. [2021-11-23 01:36:19,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:36:19,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:19,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:19,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:19,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:19,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 184 states and 292 transitions. [2021-11-23 01:36:19,746 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 292 transitions. [2021-11-23 01:36:19,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:36:19,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:19,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:19,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:20,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:20,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 185 states and 292 transitions. [2021-11-23 01:36:20,033 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 292 transitions. [2021-11-23 01:36:20,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:36:20,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:20,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:20,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:26,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:26,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 198 states and 315 transitions. [2021-11-23 01:36:26,369 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 315 transitions. [2021-11-23 01:36:26,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:36:26,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:26,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:26,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:33,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:33,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 201 states and 320 transitions. [2021-11-23 01:36:33,426 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 320 transitions. [2021-11-23 01:36:33,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:36:33,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:33,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:33,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:33,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:33,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 202 states and 320 transitions. [2021-11-23 01:36:33,519 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 320 transitions. [2021-11-23 01:36:33,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:36:33,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:33,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:33,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:42,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:42,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 210 states and 334 transitions. [2021-11-23 01:36:42,468 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 334 transitions. [2021-11-23 01:36:42,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:36:42,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:42,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:43,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:44,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:44,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 214 states and 348 transitions. [2021-11-23 01:36:44,826 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 348 transitions. [2021-11-23 01:36:44,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:36:44,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:44,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:55,330 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:11,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:11,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 251 states and 453 transitions. [2021-11-23 01:38:11,099 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 453 transitions. [2021-11-23 01:38:11,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:38:11,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:11,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:11,135 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:38:12,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:12,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 252 states and 453 transitions. [2021-11-23 01:38:12,066 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 453 transitions. [2021-11-23 01:38:12,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:38:12,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:12,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:12,500 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:38:32,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:32,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 266 states and 483 transitions. [2021-11-23 01:38:32,631 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 483 transitions. [2021-11-23 01:38:32,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:38:32,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:32,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:33,001 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:38:59,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:59,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 285 states and 522 transitions. [2021-11-23 01:38:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 522 transitions. [2021-11-23 01:38:59,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:38:59,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:59,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:59,462 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:39:16,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:16,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 294 states and 542 transitions. [2021-11-23 01:39:16,314 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 542 transitions. [2021-11-23 01:39:16,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:39:16,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:16,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:16,704 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:39:24,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:24,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 298 states and 550 transitions. [2021-11-23 01:39:24,591 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 550 transitions. [2021-11-23 01:39:24,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:39:24,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:24,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:25,316 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:08,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:08,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 336 states and 652 transitions. [2021-11-23 01:41:08,186 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 652 transitions. [2021-11-23 01:41:08,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:41:08,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:08,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:35,064 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:48,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 371 states and 763 transitions. [2021-11-23 01:44:48,920 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 763 transitions. [2021-11-23 01:44:48,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:44:48,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:48,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:51,486 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:44:53,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:44:53,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 374 states and 767 transitions. [2021-11-23 01:44:53,357 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 767 transitions. [2021-11-23 01:44:53,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:44:53,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:44:53,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:44:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:44:53,983 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:45:56,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:45:56,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 400 states and 825 transitions. [2021-11-23 01:45:56,677 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 825 transitions. [2021-11-23 01:45:56,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:45:56,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:45:56,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:45:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:45:57,581 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:46:54,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:46:54,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 422 states and 866 transitions. [2021-11-23 01:46:54,443 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 866 transitions. [2021-11-23 01:46:54,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:46:54,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:46:54,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:46:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:46:55,353 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:47:38,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:38,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 442 states and 915 transitions. [2021-11-23 01:47:38,718 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 915 transitions. [2021-11-23 01:47:38,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:47:38,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:38,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:39,548 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:12,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:12,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 458 states and 946 transitions. [2021-11-23 01:48:12,060 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 946 transitions. [2021-11-23 01:48:12,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:48:12,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:12,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:12,829 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.