./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+nlh-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_97924204-1943-4630-a72f-96cfb6bc0f36/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97924204-1943-4630-a72f-96cfb6bc0f36/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_97924204-1943-4630-a72f-96cfb6bc0f36/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97924204-1943-4630-a72f-96cfb6bc0f36/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97924204-1943-4630-a72f-96cfb6bc0f36/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_97924204-1943-4630-a72f-96cfb6bc0f36/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 075767edbb592d061c1d85f41edb41733b674c2f33a2c1741ae50b9eba126551 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:08:06,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:08:06,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:08:06,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:08:06,875 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:08:06,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:08:06,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:08:06,885 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:08:06,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:08:06,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:08:06,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:08:06,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:08:06,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:08:06,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:08:06,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:08:06,910 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:08:06,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:08:06,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:08:06,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:08:06,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:08:06,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:08:06,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:08:06,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:08:06,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:08:06,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:08:06,945 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:08:06,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:08:06,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:08:06,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:08:06,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:08:06,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:08:06,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:08:06,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:08:06,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:08:06,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:08:06,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:08:06,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:08:06,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:08:06,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:08:06,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:08:06,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:08:06,961 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97924204-1943-4630-a72f-96cfb6bc0f36/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:08:07,008 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:08:07,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:08:07,011 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:08:07,011 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:08:07,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:08:07,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:08:07,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:08:07,012 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:08:07,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:08:07,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:08:07,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:08:07,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:08:07,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:08:07,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:08:07,021 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:08:07,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:08:07,022 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:08:07,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:08:07,022 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:08:07,022 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:08:07,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:08:07,023 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:08:07,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:08:07,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:08:07,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:08:07,024 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:08:07,024 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:08:07,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:08:07,024 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_97924204-1943-4630-a72f-96cfb6bc0f36/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97924204-1943-4630-a72f-96cfb6bc0f36/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 075767edbb592d061c1d85f41edb41733b674c2f33a2c1741ae50b9eba126551 [2021-11-22 23:08:07,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:08:07,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:08:07,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:08:07,361 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:08:07,362 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:08:07,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97924204-1943-4630-a72f-96cfb6bc0f36/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2021-11-22 23:08:07,423 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97924204-1943-4630-a72f-96cfb6bc0f36/bin/ukojak-LBtLqBUTdQ/data/927561803/027f2a26ee014e9893fdc0e0d84e59cb/FLAGb07f816b8 [2021-11-22 23:08:07,905 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:08:07,906 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97924204-1943-4630-a72f-96cfb6bc0f36/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c [2021-11-22 23:08:07,917 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97924204-1943-4630-a72f-96cfb6bc0f36/bin/ukojak-LBtLqBUTdQ/data/927561803/027f2a26ee014e9893fdc0e0d84e59cb/FLAGb07f816b8 [2021-11-22 23:08:08,230 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97924204-1943-4630-a72f-96cfb6bc0f36/bin/ukojak-LBtLqBUTdQ/data/927561803/027f2a26ee014e9893fdc0e0d84e59cb [2021-11-22 23:08:08,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:08:08,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:08:08,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:08:08,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:08:08,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:08:08,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:08:08" (1/1) ... [2021-11-22 23:08:08,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18cd0c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:08, skipping insertion in model container [2021-11-22 23:08:08,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:08:08" (1/1) ... [2021-11-22 23:08:08,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:08:08,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:08:08,540 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_97924204-1943-4630-a72f-96cfb6bc0f36/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c[6780,6793] [2021-11-22 23:08:08,583 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:08:08,596 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:08:08,672 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_97924204-1943-4630-a72f-96cfb6bc0f36/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.BOUNDED-8.pals.c.v+nlh-reducer.c[6780,6793] [2021-11-22 23:08:08,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:08:08,742 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:08:08,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:08 WrapperNode [2021-11-22 23:08:08,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:08:08,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:08:08,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:08:08,744 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:08:08,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:08" (1/1) ... [2021-11-22 23:08:08,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:08" (1/1) ... [2021-11-22 23:08:08,822 INFO L137 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 529 [2021-11-22 23:08:08,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:08:08,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:08:08,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:08:08,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:08:08,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:08" (1/1) ... [2021-11-22 23:08:08,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:08" (1/1) ... [2021-11-22 23:08:08,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:08" (1/1) ... [2021-11-22 23:08:08,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:08" (1/1) ... [2021-11-22 23:08:08,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:08" (1/1) ... [2021-11-22 23:08:08,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:08" (1/1) ... [2021-11-22 23:08:08,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:08" (1/1) ... [2021-11-22 23:08:08,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:08:08,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:08:08,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:08:08,878 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:08:08,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:08:08" (1/1) ... [2021-11-22 23:08:08,898 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:08:08,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97924204-1943-4630-a72f-96cfb6bc0f36/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:08:08,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97924204-1943-4630-a72f-96cfb6bc0f36/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:08:08,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97924204-1943-4630-a72f-96cfb6bc0f36/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:08:08,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:08:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:08:08,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:08:08,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:08:09,127 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:08:09,128 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:08:09,670 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:08:09,787 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:08:09,787 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 23:08:09,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:08:09 BoogieIcfgContainer [2021-11-22 23:08:09,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:08:09,791 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:08:09,792 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:08:09,802 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:08:09,803 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:08:09" (1/1) ... [2021-11-22 23:08:09,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:08:09,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:09,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 88 states and 151 transitions. [2021-11-22 23:08:09,874 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2021-11-22 23:08:09,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:08:09,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:09,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:10,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:10,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:10,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 94 states and 161 transitions. [2021-11-22 23:08:10,547 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 161 transitions. [2021-11-22 23:08:10,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:08:10,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:10,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:10,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:10,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:10,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 91 states and 155 transitions. [2021-11-22 23:08:10,762 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 155 transitions. [2021-11-22 23:08:10,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:08:10,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:10,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:10,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:10,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:10,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 88 states and 149 transitions. [2021-11-22 23:08:10,958 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 149 transitions. [2021-11-22 23:08:10,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:08:10,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:10,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:11,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:11,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:11,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 98 states and 166 transitions. [2021-11-22 23:08:11,608 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 166 transitions. [2021-11-22 23:08:11,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:08:11,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:11,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:11,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:11,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:11,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 95 states and 160 transitions. [2021-11-22 23:08:11,706 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 160 transitions. [2021-11-22 23:08:11,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:08:11,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:11,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:11,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:11,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:11,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 88 states and 148 transitions. [2021-11-22 23:08:11,792 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 148 transitions. [2021-11-22 23:08:11,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:08:11,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:11,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:11,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:12,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:12,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 91 states and 153 transitions. [2021-11-22 23:08:12,696 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 153 transitions. [2021-11-22 23:08:12,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:08:12,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:12,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:12,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:12,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:12,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 88 states and 147 transitions. [2021-11-22 23:08:12,782 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 147 transitions. [2021-11-22 23:08:12,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:08:12,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:12,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:12,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:14,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:14,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 88 states and 146 transitions. [2021-11-22 23:08:14,350 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 146 transitions. [2021-11-22 23:08:14,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-22 23:08:14,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:14,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:20,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:08:42,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:08:42,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 90 states and 147 transitions. [2021-11-22 23:08:42,576 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 147 transitions. [2021-11-22 23:08:42,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:08:42,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:08:42,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:08:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:08:42,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:15,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:15,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 93 states and 149 transitions. [2021-11-22 23:09:15,312 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 149 transitions. [2021-11-22 23:09:15,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:09:15,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:15,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:33,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:57,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:57,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 97 states and 153 transitions. [2021-11-22 23:10:57,828 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 153 transitions. [2021-11-22 23:10:57,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:10:57,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:57,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:59,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:04,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:04,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 100 states and 156 transitions. [2021-11-22 23:11:04,223 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 156 transitions. [2021-11-22 23:11:04,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-22 23:11:04,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:04,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:04,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:17,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:17,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 109 states and 170 transitions. [2021-11-22 23:11:17,010 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 170 transitions. [2021-11-22 23:11:17,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:11:17,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:17,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:17,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:29,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:29,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 123 states and 194 transitions. [2021-11-22 23:11:29,378 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 194 transitions. [2021-11-22 23:11:29,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-22 23:11:29,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:29,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:29,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:29,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:29,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 124 states and 194 transitions. [2021-11-22 23:11:29,448 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 194 transitions. [2021-11-22 23:11:29,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:11:29,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:29,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:30,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:41,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:41,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 143 states and 228 transitions. [2021-11-22 23:11:41,678 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 228 transitions. [2021-11-22 23:11:41,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:11:41,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:41,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:41,755 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:41,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:41,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 144 states and 228 transitions. [2021-11-22 23:11:41,781 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 228 transitions. [2021-11-22 23:11:41,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-22 23:11:41,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:41,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:41,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:41,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:41,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 145 states and 228 transitions. [2021-11-22 23:11:41,861 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 228 transitions. [2021-11-22 23:11:41,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:11:41,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:41,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:42,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:54,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:54,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 169 states and 272 transitions. [2021-11-22 23:11:54,397 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 272 transitions. [2021-11-22 23:11:54,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:11:54,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:54,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:54,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:54,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:54,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 170 states and 272 transitions. [2021-11-22 23:11:54,467 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 272 transitions. [2021-11-22 23:11:54,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:11:54,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:54,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:54,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:54,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:54,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 171 states and 272 transitions. [2021-11-22 23:11:54,535 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 272 transitions. [2021-11-22 23:11:54,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-22 23:11:54,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:54,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:54,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:11:54,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:11:54,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 172 states and 272 transitions. [2021-11-22 23:11:54,604 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 272 transitions. [2021-11-22 23:11:54,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:11:54,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:11:54,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:11:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:11:54,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:03,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:03,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 193 states and 314 transitions. [2021-11-22 23:12:03,410 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 314 transitions. [2021-11-22 23:12:03,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:12:03,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:03,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:03,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:03,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:03,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 194 states and 314 transitions. [2021-11-22 23:12:03,492 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 314 transitions. [2021-11-22 23:12:03,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:12:03,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:03,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:03,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:03,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:03,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 195 states and 314 transitions. [2021-11-22 23:12:03,582 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 314 transitions. [2021-11-22 23:12:03,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:12:03,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:03,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:03,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:03,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:03,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 196 states and 314 transitions. [2021-11-22 23:12:03,663 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 314 transitions. [2021-11-22 23:12:03,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-22 23:12:03,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:03,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:03,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:03,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:03,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 197 states and 314 transitions. [2021-11-22 23:12:03,843 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 314 transitions. [2021-11-22 23:12:03,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:12:03,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:03,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:03,884 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:13,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:13,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 223 states and 361 transitions. [2021-11-22 23:12:13,586 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 361 transitions. [2021-11-22 23:12:13,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:12:13,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:13,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:13,966 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:26,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:26,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 247 states and 406 transitions. [2021-11-22 23:12:26,359 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 406 transitions. [2021-11-22 23:12:26,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:12:26,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:26,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:26,676 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:27,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:27,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 248 states and 409 transitions. [2021-11-22 23:12:27,385 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 409 transitions. [2021-11-22 23:12:27,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:12:27,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:27,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:27,422 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:27,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:27,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 249 states and 409 transitions. [2021-11-22 23:12:27,462 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 409 transitions. [2021-11-22 23:12:27,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:12:27,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:27,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:27,498 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:27,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:27,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 250 states and 409 transitions. [2021-11-22 23:12:27,540 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 409 transitions. [2021-11-22 23:12:27,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:12:27,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:27,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:27,875 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:27,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:27,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 251 states and 409 transitions. [2021-11-22 23:12:27,913 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 409 transitions. [2021-11-22 23:12:27,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:12:27,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:27,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:27,959 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:27,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:28,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 252 states and 409 transitions. [2021-11-22 23:12:28,001 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 409 transitions. [2021-11-22 23:12:28,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:12:28,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:28,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:28,356 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:28,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:28,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 253 states and 409 transitions. [2021-11-22 23:12:28,466 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 409 transitions. [2021-11-22 23:12:28,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:12:28,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:28,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:28,503 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:28,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:28,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 254 states and 409 transitions. [2021-11-22 23:12:28,543 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 409 transitions. [2021-11-22 23:12:28,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-22 23:12:28,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:28,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:28,928 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:12:28,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:28,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 255 states and 409 transitions. [2021-11-22 23:12:28,966 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 409 transitions. [2021-11-22 23:12:28,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:12:28,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:28,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:12:29,481 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:12:59,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:12:59,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 270 states and 434 transitions. [2021-11-22 23:12:59,018 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 434 transitions. [2021-11-22 23:12:59,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:12:59,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:12:59,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:12:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:01,435 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:13:36,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:13:36,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 290 states and 468 transitions. [2021-11-22 23:13:36,413 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 468 transitions. [2021-11-22 23:13:36,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:13:36,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:13:36,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:13:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:13:37,004 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:14:07,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:07,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 315 states and 512 transitions. [2021-11-22 23:14:07,205 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 512 transitions. [2021-11-22 23:14:07,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:14:07,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:07,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:07,798 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-22 23:14:54,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:54,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 325 states and 526 transitions. [2021-11-22 23:14:54,490 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 526 transitions. [2021-11-22 23:14:54,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:14:54,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:54,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-22 23:14:56,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:56,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 326 states and 529 transitions. [2021-11-22 23:14:56,675 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 529 transitions. [2021-11-22 23:14:56,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:14:56,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:56,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:56,737 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-22 23:14:57,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:57,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 327 states and 529 transitions. [2021-11-22 23:14:57,724 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 529 transitions. [2021-11-22 23:14:57,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:14:57,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:57,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:14:57,791 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:14:57,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:14:57,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 328 states and 529 transitions. [2021-11-22 23:14:57,958 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 529 transitions. [2021-11-22 23:14:57,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-22 23:14:57,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:14:57,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:14:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:16:04,265 WARN L227 SmtUtils]: Spent 9.50s on a formula simplification that was a NOOP. DAG size: 191 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 23:17:03,491 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:19:31,209 WARN L227 SmtUtils]: Spent 11.68s on a formula simplification. DAG size of input: 161 DAG size of output: 132 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-22 23:20:37,737 WARN L227 SmtUtils]: Spent 7.83s on a formula simplification that was a NOOP. DAG size: 192 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)