./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b08d11f-96e1-4d76-b3e8-3c13351fc0d5/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b08d11f-96e1-4d76-b3e8-3c13351fc0d5/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_9b08d11f-96e1-4d76-b3e8-3c13351fc0d5/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b08d11f-96e1-4d76-b3e8-3c13351fc0d5/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b08d11f-96e1-4d76-b3e8-3c13351fc0d5/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b08d11f-96e1-4d76-b3e8-3c13351fc0d5/bin/ukojak-2xVlg8857e --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 a7994e4b0bfbe275d233e5a25c7b22888e2d55ba388328f1fc4435f77ac9412d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:43:10,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:43:10,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:43:10,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:43:10,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:43:10,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:43:10,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:43:10,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:43:10,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:43:10,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:43:10,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:43:10,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:43:10,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:43:10,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:43:10,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:43:10,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:43:10,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:43:10,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:43:10,842 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:43:10,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:43:10,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:43:10,849 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:43:10,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:43:10,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:43:10,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:43:10,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:43:10,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:43:10,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:43:10,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:43:10,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:43:10,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:43:10,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:43:10,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:43:10,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:43:10,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:43:10,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:43:10,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:43:10,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:43:10,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:43:10,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:43:10,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:43:10,874 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b08d11f-96e1-4d76-b3e8-3c13351fc0d5/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:43:10,906 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:43:10,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:43:10,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:43:10,913 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:43:10,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:43:10,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:43:10,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:43:10,916 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:43:10,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:43:10,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:43:10,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:43:10,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:43:10,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:43:10,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:43:10,921 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:43:10,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:43:10,922 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:43:10,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:43:10,922 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:43:10,923 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:43:10,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:43:10,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:43:10,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:43:10,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:43:10,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:43:10,926 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:43:10,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:43:10,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:43:10,926 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_9b08d11f-96e1-4d76-b3e8-3c13351fc0d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b08d11f-96e1-4d76-b3e8-3c13351fc0d5/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7994e4b0bfbe275d233e5a25c7b22888e2d55ba388328f1fc4435f77ac9412d [2021-11-13 23:43:11,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:43:11,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:43:11,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:43:11,289 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:43:11,290 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:43:11,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b08d11f-96e1-4d76-b3e8-3c13351fc0d5/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-13 23:43:11,375 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b08d11f-96e1-4d76-b3e8-3c13351fc0d5/bin/ukojak-2xVlg8857e/data/a02bfe047/ee5fe6731ed14b71ada01ce9b233aa20/FLAG51cd687d3 [2021-11-13 23:43:11,886 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:43:11,887 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b08d11f-96e1-4d76-b3e8-3c13351fc0d5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-13 23:43:11,902 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b08d11f-96e1-4d76-b3e8-3c13351fc0d5/bin/ukojak-2xVlg8857e/data/a02bfe047/ee5fe6731ed14b71ada01ce9b233aa20/FLAG51cd687d3 [2021-11-13 23:43:12,195 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b08d11f-96e1-4d76-b3e8-3c13351fc0d5/bin/ukojak-2xVlg8857e/data/a02bfe047/ee5fe6731ed14b71ada01ce9b233aa20 [2021-11-13 23:43:12,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:43:12,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:43:12,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:43:12,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:43:12,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:43:12,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:43:12" (1/1) ... [2021-11-13 23:43:12,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd8925f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:12, skipping insertion in model container [2021-11-13 23:43:12,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:43:12" (1/1) ... [2021-11-13 23:43:12,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:43:12,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:43:12,550 WARN L228 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_9b08d11f-96e1-4d76-b3e8-3c13351fc0d5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[4409,4422] [2021-11-13 23:43:12,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:43:12,631 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:43:12,689 WARN L228 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_9b08d11f-96e1-4d76-b3e8-3c13351fc0d5/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[4409,4422] [2021-11-13 23:43:12,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:43:12,738 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:43:12,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:12 WrapperNode [2021-11-13 23:43:12,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:43:12,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:43:12,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:43:12,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:43:12,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:12" (1/1) ... [2021-11-13 23:43:12,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:12" (1/1) ... [2021-11-13 23:43:12,833 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:43:12,834 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:43:12,834 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:43:12,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:43:12,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:12" (1/1) ... [2021-11-13 23:43:12,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:12" (1/1) ... [2021-11-13 23:43:12,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:12" (1/1) ... [2021-11-13 23:43:12,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:12" (1/1) ... [2021-11-13 23:43:12,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:12" (1/1) ... [2021-11-13 23:43:12,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:12" (1/1) ... [2021-11-13 23:43:12,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:12" (1/1) ... [2021-11-13 23:43:12,893 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:43:12,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:43:12,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:43:12,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:43:12,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:12" (1/1) ... [2021-11-13 23:43:12,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:43:12,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b08d11f-96e1-4d76-b3e8-3c13351fc0d5/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:43:12,945 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b08d11f-96e1-4d76-b3e8-3c13351fc0d5/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:43:12,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b08d11f-96e1-4d76-b3e8-3c13351fc0d5/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:43:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:43:12,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:43:12,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:43:12,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:43:13,666 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:43:13,666 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 23:43:13,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:43:13 BoogieIcfgContainer [2021-11-13 23:43:13,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:43:13,670 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:43:13,671 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:43:13,693 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:43:13,693 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:43:13" (1/1) ... [2021-11-13 23:43:13,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:43:13,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:13,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 64 states and 103 transitions. [2021-11-13 23:43:13,770 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 103 transitions. [2021-11-13 23:43:13,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-13 23:43:13,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:13,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:14,123 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 23:43:14,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:14,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 66 states and 104 transitions. [2021-11-13 23:43:14,190 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 104 transitions. [2021-11-13 23:43:14,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-13 23:43:14,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:14,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:14,343 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 23:43:14,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:14,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 73 states and 116 transitions. [2021-11-13 23:43:14,489 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 116 transitions. [2021-11-13 23:43:14,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:43:14,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:14,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:14,599 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 23:43:14,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:14,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 76 states and 121 transitions. [2021-11-13 23:43:14,613 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 121 transitions. [2021-11-13 23:43:14,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:43:14,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:14,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:14,692 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 23:43:14,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:14,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 77 states and 121 transitions. [2021-11-13 23:43:14,709 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 121 transitions. [2021-11-13 23:43:14,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:43:14,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:14,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:14,776 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 23:43:15,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:15,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 81 states and 126 transitions. [2021-11-13 23:43:15,143 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 126 transitions. [2021-11-13 23:43:15,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-13 23:43:15,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:15,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:15,206 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 23:43:15,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:15,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 93 states and 147 transitions. [2021-11-13 23:43:15,666 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 147 transitions. [2021-11-13 23:43:15,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:43:15,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:15,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:15,739 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 23:43:15,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:15,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 96 states and 153 transitions. [2021-11-13 23:43:15,755 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2021-11-13 23:43:15,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:43:15,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:15,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:15,825 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 23:43:15,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:15,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 97 states and 153 transitions. [2021-11-13 23:43:15,842 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 153 transitions. [2021-11-13 23:43:15,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:43:15,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:15,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:15,895 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 23:43:15,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:15,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 100 states and 158 transitions. [2021-11-13 23:43:15,905 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2021-11-13 23:43:15,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:43:15,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:15,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:15,961 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 23:43:15,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:15,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 101 states and 158 transitions. [2021-11-13 23:43:15,972 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 158 transitions. [2021-11-13 23:43:15,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:43:15,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:15,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:16,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:16,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:16,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 110 states and 172 transitions. [2021-11-13 23:43:16,946 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 172 transitions. [2021-11-13 23:43:16,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:43:16,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:16,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:17,183 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 23:43:19,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:19,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 123 states and 191 transitions. [2021-11-13 23:43:19,594 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 191 transitions. [2021-11-13 23:43:19,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:43:19,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:19,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:19,624 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 23:43:19,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:19,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 126 states and 197 transitions. [2021-11-13 23:43:19,639 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 197 transitions. [2021-11-13 23:43:19,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:43:19,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:19,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:19,834 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 23:43:22,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:22,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 130 states and 204 transitions. [2021-11-13 23:43:22,799 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 204 transitions. [2021-11-13 23:43:22,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:43:22,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:22,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:22,824 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 23:43:22,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:22,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 131 states and 204 transitions. [2021-11-13 23:43:22,838 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 204 transitions. [2021-11-13 23:43:22,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:43:22,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:22,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:23,508 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 23:43:32,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:32,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 150 states and 247 transitions. [2021-11-13 23:43:32,715 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 247 transitions. [2021-11-13 23:43:32,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:43:32,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:32,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:32,982 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 23:43:43,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:43,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 159 states and 267 transitions. [2021-11-13 23:43:43,412 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 267 transitions. [2021-11-13 23:43:43,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:43:43,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:43,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:43,492 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 23:43:46,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:46,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 167 states and 282 transitions. [2021-11-13 23:43:46,789 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 282 transitions. [2021-11-13 23:43:46,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:43:46,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:46,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:47,248 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 23:43:59,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:59,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 181 states and 309 transitions. [2021-11-13 23:43:59,580 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 309 transitions. [2021-11-13 23:43:59,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:43:59,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:59,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:59,649 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 23:44:02,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:02,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 189 states and 322 transitions. [2021-11-13 23:44:02,466 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 322 transitions. [2021-11-13 23:44:02,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:44:02,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:02,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:02,693 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 23:44:06,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:06,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 194 states and 333 transitions. [2021-11-13 23:44:06,210 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 333 transitions. [2021-11-13 23:44:06,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:44:06,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:06,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:06,460 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 23:44:12,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:12,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 204 states and 353 transitions. [2021-11-13 23:44:12,787 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 353 transitions. [2021-11-13 23:44:12,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:44:12,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:12,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:13,044 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 23:44:22,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:22,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 219 states and 381 transitions. [2021-11-13 23:44:22,058 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 381 transitions. [2021-11-13 23:44:22,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:44:22,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:22,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:22,089 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 23:44:24,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:24,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 222 states and 387 transitions. [2021-11-13 23:44:24,504 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 387 transitions. [2021-11-13 23:44:24,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:44:24,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:24,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:24,536 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 23:44:27,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:27,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 225 states and 393 transitions. [2021-11-13 23:44:27,172 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 393 transitions. [2021-11-13 23:44:27,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-13 23:44:27,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:27,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:27,202 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 23:44:29,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:29,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 228 states and 399 transitions. [2021-11-13 23:44:29,592 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 399 transitions. [2021-11-13 23:44:29,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:44:29,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:29,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:29,913 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 23:44:43,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:43,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 244 states and 433 transitions. [2021-11-13 23:44:43,631 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 433 transitions. [2021-11-13 23:44:43,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:44:43,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:43,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:43,653 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 23:44:46,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:46,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 247 states and 441 transitions. [2021-11-13 23:44:46,728 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 441 transitions. [2021-11-13 23:44:46,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:44:46,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:46,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:46,826 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 23:44:49,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:49,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 250 states and 447 transitions. [2021-11-13 23:44:49,793 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 447 transitions. [2021-11-13 23:44:49,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:44:49,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:49,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:49,830 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 23:44:55,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:55,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 258 states and 464 transitions. [2021-11-13 23:44:55,611 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 464 transitions. [2021-11-13 23:44:55,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:44:55,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:55,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:55,633 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 23:44:58,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:58,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 261 states and 470 transitions. [2021-11-13 23:44:58,388 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 470 transitions. [2021-11-13 23:44:58,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:44:58,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:58,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:00,502 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:45:13,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:13,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 281 states and 536 transitions. [2021-11-13 23:45:13,084 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 536 transitions. [2021-11-13 23:45:13,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:45:13,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:13,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:15,087 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:45:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:33,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 303 states and 607 transitions. [2021-11-13 23:45:33,413 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 607 transitions. [2021-11-13 23:45:33,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-13 23:45:33,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:33,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:38,684 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:46:26,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:26,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 326 states and 682 transitions. [2021-11-13 23:46:26,686 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 682 transitions. [2021-11-13 23:46:26,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 23:46:26,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:26,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:31,209 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:47:23,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:23,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 354 states and 771 transitions. [2021-11-13 23:47:23,249 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 771 transitions. [2021-11-13 23:47:23,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 23:47:23,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:23,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:28,218 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:48:26,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:26,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 381 states and 860 transitions. [2021-11-13 23:48:26,772 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 860 transitions. [2021-11-13 23:48:26,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 23:48:26,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:26,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:26,979 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:48:31,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:31,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 385 states and 866 transitions. [2021-11-13 23:48:31,936 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 866 transitions. [2021-11-13 23:48:31,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 23:48:31,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:31,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:37,288 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:49:35,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:35,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 412 states and 967 transitions. [2021-11-13 23:49:35,748 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 967 transitions. [2021-11-13 23:49:35,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:49:35,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:35,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:36,449 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:49:55,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:55,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 428 states and 1020 transitions. [2021-11-13 23:49:55,731 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 1020 transitions. [2021-11-13 23:49:55,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:49:55,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:55,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:56,467 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:50:04,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:04,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 434 states and 1037 transitions. [2021-11-13 23:50:04,743 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 1037 transitions. [2021-11-13 23:50:04,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:50:04,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:04,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:05,292 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:50:19,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:19,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 443 states and 1052 transitions. [2021-11-13 23:50:19,900 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 1052 transitions. [2021-11-13 23:50:19,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:50:19,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:19,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:20,798 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:50:44,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:44,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 458 states and 1104 transitions. [2021-11-13 23:50:44,362 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1104 transitions. [2021-11-13 23:50:44,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:50:44,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:44,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:44,976 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:51:06,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:06,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 469 states and 1132 transitions. [2021-11-13 23:51:06,165 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 1132 transitions. [2021-11-13 23:51:06,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:51:06,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:06,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:06,193 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:51:13,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:13,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 475 states and 1146 transitions. [2021-11-13 23:51:13,965 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 1146 transitions. [2021-11-13 23:51:13,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:51:13,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:13,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:14,038 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:51:25,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:25,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 481 states and 1180 transitions. [2021-11-13 23:51:25,014 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 1180 transitions. [2021-11-13 23:51:25,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:51:25,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:25,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:25,044 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:51:39,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:39,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 492 states and 1210 transitions. [2021-11-13 23:51:39,708 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 1210 transitions. [2021-11-13 23:51:39,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:51:39,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:39,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:39,735 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:51:52,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:52,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 503 states and 1233 transitions. [2021-11-13 23:51:52,146 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 1233 transitions. [2021-11-13 23:51:52,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:51:52,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:52,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:52,209 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:51:54,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:54,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 505 states and 1239 transitions. [2021-11-13 23:51:54,325 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 1239 transitions. [2021-11-13 23:51:54,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:51:54,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:54,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:52:24,997 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:10,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:10,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 534 states and 1362 transitions. [2021-11-13 23:55:10,319 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 1362 transitions. [2021-11-13 23:55:10,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:55:10,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:10,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:12,479 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:55:36,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:55:36,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 541 states and 1379 transitions. [2021-11-13 23:55:36,827 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 1379 transitions. [2021-11-13 23:55:36,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:55:36,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:55:36,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:55:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:55:37,913 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.